{"id":79206,"date":"2026-03-01T13:18:10","date_gmt":"2026-03-01T05:18:10","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/79206.html"},"modified":"2026-03-01T13:18:10","modified_gmt":"2026-03-01T05:18:10","slug":"redis%e9%ab%98%e5%8f%af%e7%94%a8%e6%9e%b6%e6%9e%84%e6%b7%b1%e5%ba%a6%e8%a7%a3%e6%9e%90%ef%bc%9a%e4%b8%bb%e4%bb%8e%e3%80%81%e5%93%a8%e5%85%b5%e3%80%81%e9%9b%86%e7%be%a4%e6%9e%b6%e6%9e%84%e9%80%89","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/79206.html","title":{"rendered":"Redis\u9ad8\u53ef\u7528\u67b6\u6784\u6df1\u5ea6\u89e3\u6790\uff1a\u4e3b\u4ece\u3001\u54e8\u5175\u3001\u96c6\u7fa4\u67b6\u6784\u9009\u578b\u4e0e\u5b9e\u8df5\u6307\u5357"},"content":{"rendered":"<\/p>\n<h4>\u6587\u7ae0\u76ee\u5f55<\/h4>\n<ul>\n<li>\u524d\u8a00<\/li>\n<li>\u4e00\u3001Redis\u4e3b\u4ece\u590d\u5236\u67b6\u6784<\/li>\n<li>\n<ul>\n<li>1.1 \u67b6\u6784\u539f\u7406<\/li>\n<li>1.2 \u6838\u5fc3\u673a\u5236\u8be6\u89e3<\/li>\n<li>\n<ul>\n<li>1.2.1 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.activation2{fill:#f4f4f4;stroke:#666;}#mermaid-svg-UcQrChy0nve5xLjV .actorPopupMenu{position:absolute;}#mermaid-svg-UcQrChy0nve5xLjV .actorPopupMenuPanel{position:absolute;fill:#ECECFF;box-shadow:0px 8px 16px 0px rgba(0,0,0,0.2);filter:drop-shadow(3px 5px 2px rgb(0 0 0 \/ 0.4));}#mermaid-svg-UcQrChy0nve5xLjV .actor-man line{stroke:hsl(259.6261682243, 59.7765363128%, 87.9019607843%);fill:#ECECFF;}#mermaid-svg-UcQrChy0nve5xLjV .actor-man circle,#mermaid-svg-UcQrChy0nve5xLjV line{stroke:hsl(259.6261682243, 59.7765363128%, 87.9019607843%);fill:#ECECFF;stroke-width:2px;}#mermaid-svg-UcQrChy0nve5xLjV :root{&#8211;mermaid-font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;}<\/p>\n<p>     \u6b63\u5e38\u590d\u5236\u4e2d<\/p>\n<p>     \u7f51\u7edc\u65ad\u5f00<\/p>\n<p>     \u91cd\u65b0\u8fde\u63a5<\/p>\n<p>    alt<\/p>\n<p>     [offset\u5728\u79ef\u538b\u961f\u5217\u5185]<\/p>\n<p>    [offset\u5df2\u8fc7\u671f]<\/p>\n<p>   REPLCONF ACK {offset}<\/p>\n<p>   PSYNC {replid} {offset}<\/p>\n<p>   \u68c0\u67e5offset\u662f\u5426\u5728\u79ef\u538b\u961f\u5217<\/p>\n<p>   CONTINUE<\/p>\n<p>   \u53d1\u9001\u79ef\u538b\u6570\u636e<\/p>\n<p>   FULLRESYNC {new_replid}<\/p>\n<p>   \u5168\u91cf\u540c\u6b65RDB<\/p>\n<h3>1.3 \u751f\u4ea7\u73af\u5883\u75db\u70b9<\/h3>\n<h4>\u75db\u70b91&#xff1a;\u4e3b\u4ece\u5ef6\u8fdf\u5bfc\u81f4\u7684\u6570\u636e\u4e0d\u4e00\u81f4<\/h4>\n<p><span class=\"token comment\">\/\/ \u573a\u666f&#xff1a;\u7528\u6237\u4e0b\u5355\u540e\u7acb\u5373\u67e5\u8be2\u8ba2\u5355<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token class-name\">Order<\/span> <span class=\"token function\">createOrder<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Order<\/span> order<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    redisTemplate<span class=\"token punctuation\">.<\/span><span class=\"token function\">opsForValue<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;order:&#034;<\/span> <span class=\"token operator\">&#043;<\/span> order<span class=\"token punctuation\">.<\/span><span class=\"token function\">getId<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> order<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u7acb\u5373\u67e5\u8be2&#xff0c;\u53ef\u80fd\u8def\u7531\u5230\u4ece\u5e93<\/span><br \/>\n    <span class=\"token class-name\">Order<\/span> queryOrder <span class=\"token operator\">&#061;<\/span> redisTemplate<span class=\"token punctuation\">.<\/span><span class=\"token function\">opsForValue<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;order:&#034;<\/span> <span class=\"token operator\">&#043;<\/span> order<span class=\"token punctuation\">.<\/span><span class=\"token function\">getId<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>queryOrder <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token keyword\">null<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u6570\u636e\u8fd8\u6ca1\u540c\u6b65\u5230\u4ece\u5e93<\/span><br \/>\n        <span class=\"token keyword\">throw<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">BusinessException<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u8ba2\u5355\u521b\u5efa\u5931\u8d25&#xff0c;\u8bf7\u91cd\u8bd5&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> queryOrder<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u89e3\u51b3\u65b9\u6848&#xff1a;\u5f3a\u5236\u8bfb\u4e3b\u5e93<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;RedisRoute<\/span><span class=\"token punctuation\">(<\/span>master <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token class-name\">Order<\/span> <span class=\"token function\">getOrder<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span> orderId<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> redisTemplate<span class=\"token punctuation\">.<\/span><span class=\"token function\">opsForValue<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;order:&#034;<\/span> <span class=\"token operator\">&#043;<\/span> orderId<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>\u75db\u70b92&#xff1a;\u590d\u5236\u7f13\u51b2\u533a\u6ea2\u51fa<\/h4>\n<p><span class=\"token comment\"># \u914d\u7f6e\u4f18\u5316<\/span><br \/>\n<span class=\"token comment\"># redis.conf<\/span><br \/>\nrepl-backlog-size 256mb  <span class=\"token comment\"># \u9ed8\u8ba41MB&#xff0c;\u5efa\u8bae\u589e\u5927<\/span><br \/>\nclient-output-buffer-limit slave 256mb 64mb <span class=\"token number\">60<\/span>  <span class=\"token comment\"># \u4ece\u8282\u70b9\u7f13\u51b2\u533a\u9650\u5236<\/span><\/p>\n<h2>\u4e8c\u3001\u54e8\u5175\u6a21\u5f0f\u6df1\u5ea6\u5256\u6790<\/h2>\n<h3>2.1 \u67b6\u6784\u6f14\u8fdb<\/h3>\n<p>\u4e3a\u4e86\u89e3\u51b3\u4e3b\u4ece\u67b6\u6784\u65e0\u6cd5\u81ea\u52a8\u6545\u969c\u8f6c\u79fb\u7684\u95ee\u9898&#xff0c;Redis 2.8\u5f15\u5165\u4e86\u54e8\u5175\u673a\u5236\u3002\u54e8\u5175\u672c\u8eab\u4e5f\u662f\u4e00\u4e2a\u96c6\u7fa4&#xff0c;\u901a\u5e38\u90e8\u7f723\u4e2a\u62165\u4e2a\u5947\u6570\u8282\u70b9\u3002<\/p>\n<p>  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polygon,#mermaid-svg-OL2rvXDotKIPBD2a .node path{fill:#ECECFF;stroke:#9370DB;stroke-width:1px;}#mermaid-svg-OL2rvXDotKIPBD2a .rough-node .label text,#mermaid-svg-OL2rvXDotKIPBD2a .node .label text,#mermaid-svg-OL2rvXDotKIPBD2a .image-shape .label,#mermaid-svg-OL2rvXDotKIPBD2a .icon-shape .label{text-anchor:middle;}#mermaid-svg-OL2rvXDotKIPBD2a .node .katex path{fill:#000;stroke:#000;stroke-width:1px;}#mermaid-svg-OL2rvXDotKIPBD2a .rough-node .label,#mermaid-svg-OL2rvXDotKIPBD2a .node .label,#mermaid-svg-OL2rvXDotKIPBD2a .image-shape .label,#mermaid-svg-OL2rvXDotKIPBD2a .icon-shape .label{text-align:center;}#mermaid-svg-OL2rvXDotKIPBD2a .node.clickable{cursor:pointer;}#mermaid-svg-OL2rvXDotKIPBD2a .root .anchor path{fill:#333333!important;stroke-width:0;stroke:#333333;}#mermaid-svg-OL2rvXDotKIPBD2a .arrowheadPath{fill:#333333;}#mermaid-svg-OL2rvXDotKIPBD2a .edgePath .path{stroke:#333333;stroke-width:2.0px;}#mermaid-svg-OL2rvXDotKIPBD2a 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.flowchartTitleText{text-anchor:middle;font-size:18px;fill:#333;}#mermaid-svg-OL2rvXDotKIPBD2a rect.text{fill:none;stroke-width:0;}#mermaid-svg-OL2rvXDotKIPBD2a .icon-shape,#mermaid-svg-OL2rvXDotKIPBD2a .image-shape{background-color:rgba(232,232,232, 0.8);text-align:center;}#mermaid-svg-OL2rvXDotKIPBD2a .icon-shape p,#mermaid-svg-OL2rvXDotKIPBD2a .image-shape p{background-color:rgba(232,232,232, 0.8);padding:2px;}#mermaid-svg-OL2rvXDotKIPBD2a .icon-shape rect,#mermaid-svg-OL2rvXDotKIPBD2a .image-shape rect{opacity:0.5;background-color:rgba(232,232,232, 0.8);fill:rgba(232,232,232, 0.8);}#mermaid-svg-OL2rvXDotKIPBD2a .label-icon{display:inline-block;height:1em;overflow:visible;vertical-align:-0.125em;}#mermaid-svg-OL2rvXDotKIPBD2a .node .label-icon path{fill:currentColor;stroke:revert;stroke-width:revert;}#mermaid-svg-OL2rvXDotKIPBD2a :root{&#8211;mermaid-font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;}<\/p>\n<p>         <span class=\"nodeLabel\"><\/p>\n<p>Redis\u8282\u70b9<\/p>\n<p><\/span><\/p>\n<p>         <span class=\"nodeLabel\"><\/p>\n<p>\u54e8\u5175\u96c6\u7fa4<\/p>\n<p><\/span><\/p>\n<p>         <span class=\"edgeLabel\"><\/span><\/p>\n<p>         <span class=\"edgeLabel\"><\/span><\/p>\n<p>         <span class=\"edgeLabel\"><\/span><\/p>\n<p>         <span class=\"edgeLabel\"><\/span><\/p>\n<p>         <span class=\"edgeLabel\"><\/span><\/p>\n<p>         <span class=\"edgeLabel\"><\/span><\/p>\n<p>         <span class=\"edgeLabel\"><\/span><\/p>\n<p>         <span class=\"edgeLabel\"><\/span><\/p>\n<p>         <span class=\"nodeLabel\"><\/p>\n<p>Sentinel-1192.168.1.10:26379<\/p>\n<p><\/span><\/p>\n<p>         <span class=\"nodeLabel\"><\/p>\n<p>Sentinel-2192.168.1.11:26379<\/p>\n<p><\/span><\/p>\n<p>         <span class=\"nodeLabel\"><\/p>\n<p>Sentinel-3192.168.1.12:26379<\/p>\n<p><\/span><\/p>\n<p>         <span class=\"nodeLabel\"><\/p>\n<p>Master192.168.1.100:6379<\/p>\n<p><\/span><\/p>\n<p>         <span class=\"nodeLabel\"><\/p>\n<p>Slave-1192.168.1.101:6379<\/p>\n<p><\/span><\/p>\n<p>         <span class=\"nodeLabel\"><\/p>\n<p>Slave-2192.168.1.102:6379<\/p>\n<p><\/span><\/p>\n<p>         <span class=\"nodeLabel\"><\/p>\n<p>\u5ba2\u6237\u7aef\u901a\u8fc7\u54e8\u5175\u53d1\u73b0\u4e3b\u8282\u70b9<\/p>\n<p><\/span><\/p>\n<h3>2.2 \u6838\u5fc3\u529f\u80fd\u5b9e\u73b0<\/h3>\n<h4>2.2.1 \u76d1\u63a7\u673a\u5236<\/h4>\n<p><span class=\"token comment\"># \u54e8\u5175\u914d\u7f6e<\/span><br \/>\nsentinel monitor mymaster <span class=\"token number\">192.168<\/span>.1.100 <span class=\"token number\">6379<\/span> <span class=\"token number\">2<\/span>  <span class=\"token comment\"># 2\u8868\u793a\u9700\u89812\u4e2a\u54e8\u5175\u540c\u610f<\/span><br \/>\nsentinel down-after-milliseconds mymaster <span class=\"token number\">30000<\/span>  <span class=\"token comment\"># 30\u79d2\u65e0\u54cd\u5e94\u5224\u5b9a\u4e3a\u4e0b\u7ebf<\/span><br \/>\nsentinel failover-timeout mymaster <span class=\"token number\">180000<\/span>  <span class=\"token comment\"># \u6545\u969c\u8f6c\u79fb\u8d85\u65f6\u65f6\u95f4<\/span><br \/>\nsentinel parallel-syncs mymaster <span class=\"token number\">1<\/span>  <span class=\"token comment\"># \u540c\u65f6\u540c\u6b65\u7684\u4ece\u8282\u70b9\u6570\u91cf<\/span><\/p>\n<h4>2.2.2 \u6545\u969c\u8f6c\u79fb\u6d41\u7a0b<\/h4>\n<p>     Client<\/p>\n<p>     \u5176\u4ed6Slave<\/p>\n<p>     Slave\u8282\u70b9<\/p>\n<p>     Master(\u6545\u969c)<\/p>\n<p>     Sentinel-3<\/p>\n<p>     Sentinel-2<\/p>\n<p>     Sentinel-1<\/p>\n<p>      Client<\/p>\n<p>      \u5176\u4ed6Slave<\/p>\n<p>      Slave\u8282\u70b9<\/p>\n<p>      Master(\u6545\u969c)<\/p>\n<p>      Sentinel-3<\/p>\n<p>      Sentinel-2<\/p>\n<p>      Sentinel-1<\/p>\n<p>  #mermaid-svg-sGDI0oTWbpQ5Xxmq{font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;font-size:16px;fill:#333;}@keyframes edge-animation-frame{from{stroke-dashoffset:0;}}@keyframes 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.marker{fill:#333333;stroke:#333333;}#mermaid-svg-sGDI0oTWbpQ5Xxmq .marker.cross{stroke:#333333;}#mermaid-svg-sGDI0oTWbpQ5Xxmq svg{font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;font-size:16px;}#mermaid-svg-sGDI0oTWbpQ5Xxmq p{margin:0;}#mermaid-svg-sGDI0oTWbpQ5Xxmq .actor{stroke:hsl(259.6261682243, 59.7765363128%, 87.9019607843%);fill:#ECECFF;}#mermaid-svg-sGDI0oTWbpQ5Xxmq text.actor&gt;tspan{fill:black;stroke:none;}#mermaid-svg-sGDI0oTWbpQ5Xxmq .actor-line{stroke:hsl(259.6261682243, 59.7765363128%, 87.9019607843%);}#mermaid-svg-sGDI0oTWbpQ5Xxmq .innerArc{stroke-width:1.5;stroke-dasharray:none;}#mermaid-svg-sGDI0oTWbpQ5Xxmq .messageLine0{stroke-width:1.5;stroke-dasharray:none;stroke:#333;}#mermaid-svg-sGDI0oTWbpQ5Xxmq .messageLine1{stroke-width:1.5;stroke-dasharray:2,2;stroke:#333;}#mermaid-svg-sGDI0oTWbpQ5Xxmq #arrowhead path{fill:#333;stroke:#333;}#mermaid-svg-sGDI0oTWbpQ5Xxmq .sequenceNumber{fill:white;}#mermaid-svg-sGDI0oTWbpQ5Xxmq #sequencenumber{fill:#333;}#mermaid-svg-sGDI0oTWbpQ5Xxmq #crosshead path{fill:#333;stroke:#333;}#mermaid-svg-sGDI0oTWbpQ5Xxmq .messageText{fill:#333;stroke:none;}#mermaid-svg-sGDI0oTWbpQ5Xxmq .labelBox{stroke:hsl(259.6261682243, 59.7765363128%, 87.9019607843%);fill:#ECECFF;}#mermaid-svg-sGDI0oTWbpQ5Xxmq .labelText,#mermaid-svg-sGDI0oTWbpQ5Xxmq .labelText&gt;tspan{fill:black;stroke:none;}#mermaid-svg-sGDI0oTWbpQ5Xxmq .loopText,#mermaid-svg-sGDI0oTWbpQ5Xxmq .loopText&gt;tspan{fill:black;stroke:none;}#mermaid-svg-sGDI0oTWbpQ5Xxmq .loopLine{stroke-width:2px;stroke-dasharray:2,2;stroke:hsl(259.6261682243, 59.7765363128%, 87.9019607843%);fill:hsl(259.6261682243, 59.7765363128%, 87.9019607843%);}#mermaid-svg-sGDI0oTWbpQ5Xxmq .note{stroke:#aaaa33;fill:#fff5ad;}#mermaid-svg-sGDI0oTWbpQ5Xxmq .noteText,#mermaid-svg-sGDI0oTWbpQ5Xxmq .noteText&gt;tspan{fill:black;stroke:none;}#mermaid-svg-sGDI0oTWbpQ5Xxmq .activation0{fill:#f4f4f4;stroke:#666;}#mermaid-svg-sGDI0oTWbpQ5Xxmq .activation1{fill:#f4f4f4;stroke:#666;}#mermaid-svg-sGDI0oTWbpQ5Xxmq .activation2{fill:#f4f4f4;stroke:#666;}#mermaid-svg-sGDI0oTWbpQ5Xxmq .actorPopupMenu{position:absolute;}#mermaid-svg-sGDI0oTWbpQ5Xxmq .actorPopupMenuPanel{position:absolute;fill:#ECECFF;box-shadow:0px 8px 16px 0px rgba(0,0,0,0.2);filter:drop-shadow(3px 5px 2px rgb(0 0 0 \/ 0.4));}#mermaid-svg-sGDI0oTWbpQ5Xxmq .actor-man line{stroke:hsl(259.6261682243, 59.7765363128%, 87.9019607843%);fill:#ECECFF;}#mermaid-svg-sGDI0oTWbpQ5Xxmq .actor-man circle,#mermaid-svg-sGDI0oTWbpQ5Xxmq line{stroke:hsl(259.6261682243, 59.7765363128%, 87.9019607843%);fill:#ECECFF;stroke-width:2px;}#mermaid-svg-sGDI0oTWbpQ5Xxmq :root{&#8211;mermaid-font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;}<\/p>\n<p>     \u9636\u6bb51&#xff1a;\u4e3b\u89c2\u4e0b\u7ebf<\/p>\n<p>     \u7f51\u7edc\u5206\u533a<\/p>\n<p>     sdown<\/p>\n<p>     \u9636\u6bb52&#xff1a;\u5ba2\u89c2\u4e0b\u7ebf<\/p>\n<p>     odown(\u8fbe\u5230quorum&#061;2)<\/p>\n<p>     \u9636\u6bb53&#xff1a;\u9009\u4e3eLeader<\/p>\n<p>     \u6210\u4e3aLeader<\/p>\n<p>     \u9636\u6bb54&#xff1a;\u9009\u4e3e\u65b0Master<\/p>\n<p>     \u8fc7\u6ee4\u6389\u4e0d\u5065\u5eb7\u7684\u8282\u70b9<\/p>\n<p>     \u4f18\u5148\u7ea7\u6700\u9ad8\u7684\u6210\u4e3a\u65b0Master<\/p>\n<p>     \u9636\u6bb55&#xff1a;\u91cd\u65b0\u914d\u7f6e<\/p>\n<p>   PING<\/p>\n<p>   \u8d85\u65f6<\/p>\n<p>   SENTINEL is-master-down-by-addr<\/p>\n<p>   SENTINEL is-master-down-by-addr<\/p>\n<p>   \u540c\u610f\u4e0b\u7ebf<\/p>\n<p>   \u540c\u610f\u4e0b\u7ebf<\/p>\n<p>   \u8bf7\u6c42\u6295\u7968<\/p>\n<p>   \u6295\u7968\u7ed9S1<\/p>\n<p>   \u6295\u7968\u7ed9S1<\/p>\n<p>   \u83b7\u53d6\u4ece\u8282\u70b9\u5217\u8868<\/p>\n<p>   slaveof no one<\/p>\n<p>   \u6210\u4e3a\u65b0Master<\/p>\n<p>   slaveof \u65b0Master<\/p>\n<p>   \u53d1\u5e03\u914d\u7f6e\u53d8\u66f4\u901a\u77e5<\/p>\n<h3>2.3 \u751f\u4ea7\u73af\u5883\u8111\u88c2\u5b9e\u6218\u6848\u4f8b<\/h3>\n<p>\u6848\u4f8b\u80cc\u666f \u67d0\u7535\u5546\u516c\u53f8\u4f7f\u7528Redis\u54e8\u5175\u67b6\u6784&#xff0c;\u53cc11\u5927\u4fc3\u671f\u95f4\u53d1\u751f\u7f51\u7edc\u6296\u52a8&#xff0c;\u5bfc\u81f4\u4e3b\u8282\u70b9\u4e0e\u54e8\u5175\u96c6\u7fa4\u7f51\u7edc\u5206\u533a\u3002<\/p>\n<p>\u95ee\u9898\u590d\u73b0<\/p>\n<p>  #mermaid-svg-4b9B3OsTFfNWkEgw{font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;font-size:16px;fill:#333;}@keyframes edge-animation-frame{from{stroke-dashoffset:0;}}@keyframes dash{to{stroke-dashoffset:0;}}#mermaid-svg-4b9B3OsTFfNWkEgw .edge-animation-slow{stroke-dasharray:9,5!important;stroke-dashoffset:900;animation:dash 50s linear infinite;stroke-linecap:round;}#mermaid-svg-4b9B3OsTFfNWkEgw .edge-animation-fast{stroke-dasharray:9,5!important;stroke-dashoffset:900;animation:dash 20s linear infinite;stroke-linecap:round;}#mermaid-svg-4b9B3OsTFfNWkEgw .error-icon{fill:#552222;}#mermaid-svg-4b9B3OsTFfNWkEgw .error-text{fill:#552222;stroke:#552222;}#mermaid-svg-4b9B3OsTFfNWkEgw .edge-thickness-normal{stroke-width:1px;}#mermaid-svg-4b9B3OsTFfNWkEgw .edge-thickness-thick{stroke-width:3.5px;}#mermaid-svg-4b9B3OsTFfNWkEgw .edge-pattern-solid{stroke-dasharray:0;}#mermaid-svg-4b9B3OsTFfNWkEgw .edge-thickness-invisible{stroke-width:0;fill:none;}#mermaid-svg-4b9B3OsTFfNWkEgw .edge-pattern-dashed{stroke-dasharray:3;}#mermaid-svg-4b9B3OsTFfNWkEgw .edge-pattern-dotted{stroke-dasharray:2;}#mermaid-svg-4b9B3OsTFfNWkEgw .marker{fill:#333333;stroke:#333333;}#mermaid-svg-4b9B3OsTFfNWkEgw .marker.cross{stroke:#333333;}#mermaid-svg-4b9B3OsTFfNWkEgw svg{font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;font-size:16px;}#mermaid-svg-4b9B3OsTFfNWkEgw p{margin:0;}#mermaid-svg-4b9B3OsTFfNWkEgw .label{font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;color:#333;}#mermaid-svg-4b9B3OsTFfNWkEgw .cluster-label text{fill:#333;}#mermaid-svg-4b9B3OsTFfNWkEgw .cluster-label span{color:#333;}#mermaid-svg-4b9B3OsTFfNWkEgw .cluster-label span p{background-color:transparent;}#mermaid-svg-4b9B3OsTFfNWkEgw .label text,#mermaid-svg-4b9B3OsTFfNWkEgw span{fill:#333;color:#333;}#mermaid-svg-4b9B3OsTFfNWkEgw .node rect,#mermaid-svg-4b9B3OsTFfNWkEgw .node circle,#mermaid-svg-4b9B3OsTFfNWkEgw .node ellipse,#mermaid-svg-4b9B3OsTFfNWkEgw .node polygon,#mermaid-svg-4b9B3OsTFfNWkEgw .node path{fill:#ECECFF;stroke:#9370DB;stroke-width:1px;}#mermaid-svg-4b9B3OsTFfNWkEgw .rough-node .label text,#mermaid-svg-4b9B3OsTFfNWkEgw .node .label text,#mermaid-svg-4b9B3OsTFfNWkEgw .image-shape .label,#mermaid-svg-4b9B3OsTFfNWkEgw .icon-shape .label{text-anchor:middle;}#mermaid-svg-4b9B3OsTFfNWkEgw .node .katex path{fill:#000;stroke:#000;stroke-width:1px;}#mermaid-svg-4b9B3OsTFfNWkEgw .rough-node .label,#mermaid-svg-4b9B3OsTFfNWkEgw .node .label,#mermaid-svg-4b9B3OsTFfNWkEgw .image-shape .label,#mermaid-svg-4b9B3OsTFfNWkEgw .icon-shape .label{text-align:center;}#mermaid-svg-4b9B3OsTFfNWkEgw .node.clickable{cursor:pointer;}#mermaid-svg-4b9B3OsTFfNWkEgw .root .anchor path{fill:#333333!important;stroke-width:0;stroke:#333333;}#mermaid-svg-4b9B3OsTFfNWkEgw .arrowheadPath{fill:#333333;}#mermaid-svg-4b9B3OsTFfNWkEgw .edgePath .path{stroke:#333333;stroke-width:2.0px;}#mermaid-svg-4b9B3OsTFfNWkEgw .flowchart-link{stroke:#333333;fill:none;}#mermaid-svg-4b9B3OsTFfNWkEgw .edgeLabel{background-color:rgba(232,232,232, 0.8);text-align:center;}#mermaid-svg-4b9B3OsTFfNWkEgw .edgeLabel p{background-color:rgba(232,232,232, 0.8);}#mermaid-svg-4b9B3OsTFfNWkEgw .edgeLabel rect{opacity:0.5;background-color:rgba(232,232,232, 0.8);fill:rgba(232,232,232, 0.8);}#mermaid-svg-4b9B3OsTFfNWkEgw .labelBkg{background-color:rgba(232, 232, 232, 0.5);}#mermaid-svg-4b9B3OsTFfNWkEgw .cluster rect{fill:#ffffde;stroke:#aaaa33;stroke-width:1px;}#mermaid-svg-4b9B3OsTFfNWkEgw .cluster text{fill:#333;}#mermaid-svg-4b9B3OsTFfNWkEgw .cluster span{color:#333;}#mermaid-svg-4b9B3OsTFfNWkEgw div.mermaidTooltip{position:absolute;text-align:center;max-width:200px;padding:2px;font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;font-size:12px;background:hsl(80, 100%, 96.2745098039%);border:1px solid #aaaa33;border-radius:2px;pointer-events:none;z-index:100;}#mermaid-svg-4b9B3OsTFfNWkEgw .flowchartTitleText{text-anchor:middle;font-size:18px;fill:#333;}#mermaid-svg-4b9B3OsTFfNWkEgw rect.text{fill:none;stroke-width:0;}#mermaid-svg-4b9B3OsTFfNWkEgw .icon-shape,#mermaid-svg-4b9B3OsTFfNWkEgw .image-shape{background-color:rgba(232,232,232, 0.8);text-align:center;}#mermaid-svg-4b9B3OsTFfNWkEgw .icon-shape p,#mermaid-svg-4b9B3OsTFfNWkEgw .image-shape p{background-color:rgba(232,232,232, 0.8);padding:2px;}#mermaid-svg-4b9B3OsTFfNWkEgw .icon-shape rect,#mermaid-svg-4b9B3OsTFfNWkEgw .image-shape rect{opacity:0.5;background-color:rgba(232,232,232, 0.8);fill:rgba(232,232,232, 0.8);}#mermaid-svg-4b9B3OsTFfNWkEgw .label-icon{display:inline-block;height:1em;overflow:visible;vertical-align:-0.125em;}#mermaid-svg-4b9B3OsTFfNWkEgw .node .label-icon path{fill:currentColor;stroke:revert;stroke-width:revert;}#mermaid-svg-4b9B3OsTFfNWkEgw :root{&#8211;mermaid-font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;}<\/p>\n<p>         <span class=\"nodeLabel\"><\/p>\n<p>\u4ea4\u6362\u673aB\u533a\u57df<\/p>\n<p><\/span><\/p>\n<p>         <span class=\"nodeLabel\"><\/p>\n<p>\u4ea4\u6362\u673aA\u533a\u57df<\/p>\n<p><\/span><\/p>\n<p>         <span class=\"edgeLabel\"><\/span><\/p>\n<p>         <span class=\"edgeLabel\"><\/span><\/p>\n<p>         <span class=\"nodeLabel\"><\/p>\n<p>\u539fMaster\u4ecd\u5728\u8fd0\u884c<\/p>\n<p><\/span><\/p>\n<p>         <span class=\"nodeLabel\"><\/p>\n<p>\u5ba2\u6237\u7aef1\u7ee7\u7eed\u5199\u5165<\/p>\n<p><\/span><\/p>\n<p>         <span class=\"nodeLabel\"><\/p>\n<p>Sentinel-1<\/p>\n<p><\/span><\/p>\n<p>         <span class=\"nodeLabel\"><\/p>\n<p>Sentinel-2<\/p>\n<p><\/span><\/p>\n<p>         <span class=\"nodeLabel\"><\/p>\n<p>Sentinel-3<\/p>\n<p><\/span><\/p>\n<p>         <span class=\"nodeLabel\"><\/p>\n<p>\u65b0\u9009\u4e3e\u7684Master<\/p>\n<p><\/span><\/p>\n<p>         <span class=\"nodeLabel\"><\/p>\n<p>\u5ba2\u6237\u7aef2\u5199\u5165\u65b0\u4e3b<\/p>\n<p><\/span><\/p>\n<p>         <span class=\"nodeLabel\"><\/p>\n<p>\u7f51\u7edc\u4e2d\u65ad10\u5206\u949f<\/p>\n<p><\/span><\/p>\n<p>\u6570\u636e\u4e22\u5931\u5206\u6790<\/p>\n<p><span class=\"token comment\">\/\/ \u539fMaster\u4e0a10\u5206\u949f\u7684\u5199\u5165\u91cf<\/span><br \/>\n<span class=\"token comment\">\/\/ \u5047\u8bbeQPS&#061;5000&#xff0c;10\u5206\u949f&#061;300\u4e07\u6761\u6570\u636e\u5168\u90e8\u4e22\u5931<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5927\u4fc3\u671f\u95f4\u7528\u6237\u6295\u8bc9&#xff1a;\u8ba2\u5355\u72b6\u6001\u4e0d\u4e00\u81f4\u3001\u4f18\u60e0\u5238\u4f7f\u7528\u8bb0\u5f55\u4e22\u5931<\/span><br \/>\n<span class=\"token comment\">\/\/ \u4e1a\u52a1\u635f\u5931&#xff1a;\u7ea650\u4e07\u8ba2\u5355\u6570\u636e\u5f02\u5e38<\/span><\/p>\n<p>\u89e3\u51b3\u65b9\u6848<\/p>\n<p><span class=\"token comment\"># \u54e8\u5175\u914d\u7f6e\u4f18\u5316<\/span><br \/>\nsentinel down-after-milliseconds mymaster <span class=\"token number\">10000<\/span>  <span class=\"token comment\"># \u7f29\u77ed\u68c0\u6d4b\u65f6\u95f4&#xff0c;\u4ece30s\u6539\u4e3a10s<\/span><\/p>\n<p><span class=\"token comment\"># Redis\u914d\u7f6e\u4f18\u5316<\/span><br \/>\nmin-slaves-to-write <span class=\"token number\">2<\/span>  <span class=\"token comment\"># \u81f3\u5c112\u4e2a\u4ece\u8282\u70b9\u5728\u7ebf\u624d\u80fd\u5199\u5165<\/span><br \/>\nmin-slaves-max-lag <span class=\"token number\">5<\/span>    <span class=\"token comment\"># \u4ece\u8282\u70b9\u5ef6\u8fdf\u4e0d\u8d85\u8fc75\u79d2<\/span><\/p>\n<p><span class=\"token comment\"># \u5e94\u7528\u5c42\u4f18\u5316<\/span><br \/>\n&#064;Component<br \/>\npublic class RedisWriteGuard <span class=\"token punctuation\">{<\/span><br \/>\n    &#064;Value<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;<span class=\"token variable\">${redis.master.count}<\/span>&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    private int expectedMasterCount <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    public void writeWithGuard<span class=\"token punctuation\">(<\/span>String key, Object value<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        \/\/ \u68c0\u67e5\u5f53\u524dRedis\u5b9e\u4f8b\u662f\u5426\u662f\u771f\u6b63\u7684Master<br \/>\n        String role <span class=\"token operator\">&#061;<\/span> redisTemplate.opsForValue<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span>.get<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;redis:role:check&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>role <span class=\"token operator\">&#061;&#061;<\/span> null<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            \/\/ \u53ef\u80fd\u662f\u8111\u88c2\u4ea7\u751f\u7684Master&#xff0c;\u62d2\u7edd\u5199\u5165<br \/>\n            throw new RedisBrainSplitException<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u68c0\u6d4b\u5230\u8111\u88c2\u98ce\u9669&#xff0c;\u62d2\u7edd\u5199\u5165&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        \/\/ \u6b63\u5e38\u5199\u5165<br \/>\n        redisTemplate.opsForValue<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span>.set<span class=\"token punctuation\">(<\/span>key, value<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h2>\u4e09\u3001Redis Cluster\u96c6\u7fa4\u67b6\u6784<\/h2>\n<h3>3.1 \u67b6\u6784\u8bbe\u8ba1<\/h3>\n<p>Redis 3.0\u63a8\u51fa\u7684\u5206\u5e03\u5f0f\u89e3\u51b3\u65b9\u6848&#xff0c;\u901a\u8fc7\u6570\u636e\u5206\u7247\u89e3\u51b3\u5355\u673a\u5bb9\u91cf\u548c\u5199\u538b\u529b\u95ee\u9898\u3002<\/p>\n<p>  #mermaid-svg-wPOIijpXEc5KSg5e{font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;font-size:16px;fill:#333;}@keyframes edge-animation-frame{from{stroke-dashoffset:0;}}@keyframes dash{to{stroke-dashoffset:0;}}#mermaid-svg-wPOIijpXEc5KSg5e .edge-animation-slow{stroke-dasharray:9,5!important;stroke-dashoffset:900;animation:dash 50s linear 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ms\\&#8221;,verdana,arial,sans-serif;font-size:16px;}#mermaid-svg-wPOIijpXEc5KSg5e p{margin:0;}#mermaid-svg-wPOIijpXEc5KSg5e .label{font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;color:#333;}#mermaid-svg-wPOIijpXEc5KSg5e .cluster-label text{fill:#333;}#mermaid-svg-wPOIijpXEc5KSg5e .cluster-label span{color:#333;}#mermaid-svg-wPOIijpXEc5KSg5e .cluster-label span p{background-color:transparent;}#mermaid-svg-wPOIijpXEc5KSg5e .label text,#mermaid-svg-wPOIijpXEc5KSg5e span{fill:#333;color:#333;}#mermaid-svg-wPOIijpXEc5KSg5e .node rect,#mermaid-svg-wPOIijpXEc5KSg5e .node circle,#mermaid-svg-wPOIijpXEc5KSg5e .node ellipse,#mermaid-svg-wPOIijpXEc5KSg5e .node polygon,#mermaid-svg-wPOIijpXEc5KSg5e .node path{fill:#ECECFF;stroke:#9370DB;stroke-width:1px;}#mermaid-svg-wPOIijpXEc5KSg5e .rough-node .label text,#mermaid-svg-wPOIijpXEc5KSg5e .node .label text,#mermaid-svg-wPOIijpXEc5KSg5e .image-shape .label,#mermaid-svg-wPOIijpXEc5KSg5e .icon-shape .label{text-anchor:middle;}#mermaid-svg-wPOIijpXEc5KSg5e .node .katex path{fill:#000;stroke:#000;stroke-width:1px;}#mermaid-svg-wPOIijpXEc5KSg5e .rough-node .label,#mermaid-svg-wPOIijpXEc5KSg5e .node .label,#mermaid-svg-wPOIijpXEc5KSg5e .image-shape .label,#mermaid-svg-wPOIijpXEc5KSg5e .icon-shape .label{text-align:center;}#mermaid-svg-wPOIijpXEc5KSg5e .node.clickable{cursor:pointer;}#mermaid-svg-wPOIijpXEc5KSg5e .root .anchor path{fill:#333333!important;stroke-width:0;stroke:#333333;}#mermaid-svg-wPOIijpXEc5KSg5e .arrowheadPath{fill:#333333;}#mermaid-svg-wPOIijpXEc5KSg5e .edgePath .path{stroke:#333333;stroke-width:2.0px;}#mermaid-svg-wPOIijpXEc5KSg5e .flowchart-link{stroke:#333333;fill:none;}#mermaid-svg-wPOIijpXEc5KSg5e .edgeLabel{background-color:rgba(232,232,232, 0.8);text-align:center;}#mermaid-svg-wPOIijpXEc5KSg5e .edgeLabel p{background-color:rgba(232,232,232, 0.8);}#mermaid-svg-wPOIijpXEc5KSg5e .edgeLabel rect{opacity:0.5;background-color:rgba(232,232,232, 0.8);fill:rgba(232,232,232, 0.8);}#mermaid-svg-wPOIijpXEc5KSg5e .labelBkg{background-color:rgba(232, 232, 232, 0.5);}#mermaid-svg-wPOIijpXEc5KSg5e .cluster rect{fill:#ffffde;stroke:#aaaa33;stroke-width:1px;}#mermaid-svg-wPOIijpXEc5KSg5e .cluster text{fill:#333;}#mermaid-svg-wPOIijpXEc5KSg5e .cluster span{color:#333;}#mermaid-svg-wPOIijpXEc5KSg5e div.mermaidTooltip{position:absolute;text-align:center;max-width:200px;padding:2px;font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;font-size:12px;background:hsl(80, 100%, 96.2745098039%);border:1px solid #aaaa33;border-radius:2px;pointer-events:none;z-index:100;}#mermaid-svg-wPOIijpXEc5KSg5e .flowchartTitleText{text-anchor:middle;font-size:18px;fill:#333;}#mermaid-svg-wPOIijpXEc5KSg5e rect.text{fill:none;stroke-width:0;}#mermaid-svg-wPOIijpXEc5KSg5e .icon-shape,#mermaid-svg-wPOIijpXEc5KSg5e .image-shape{background-color:rgba(232,232,232, 0.8);text-align:center;}#mermaid-svg-wPOIijpXEc5KSg5e .icon-shape p,#mermaid-svg-wPOIijpXEc5KSg5e .image-shape p{background-color:rgba(232,232,232, 0.8);padding:2px;}#mermaid-svg-wPOIijpXEc5KSg5e .icon-shape rect,#mermaid-svg-wPOIijpXEc5KSg5e .image-shape rect{opacity:0.5;background-color:rgba(232,232,232, 0.8);fill:rgba(232,232,232, 0.8);}#mermaid-svg-wPOIijpXEc5KSg5e .label-icon{display:inline-block;height:1em;overflow:visible;vertical-align:-0.125em;}#mermaid-svg-wPOIijpXEc5KSg5e .node .label-icon path{fill:currentColor;stroke:revert;stroke-width:revert;}#mermaid-svg-wPOIijpXEc5KSg5e :root{&#8211;mermaid-font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;}<\/p>\n<p>         <span class=\"nodeLabel\"><\/p>\n<p>Cluster\u8282\u70b9<\/p>\n<p><\/span><\/p>\n<p>         <span class=\"edgeLabel\"><\/span><\/p>\n<p>         <span class=\"edgeLabel\"><\/span><\/p>\n<p>         <span class=\"edgeLabel\"><\/span><\/p>\n<p>         <span class=\"edgeLabel\"><\/span><\/p>\n<p>         <span class=\"edgeLabel\"><\/span><\/p>\n<p>         <span class=\"edgeLabel\"><\/span><\/p>\n<p>         <span class=\"edgeLabel\"><\/span><\/p>\n<p>         <span class=\"edgeLabel\"><\/span><\/p>\n<p>         <span class=\"edgeLabel\"><\/span><\/p>\n<p>         <span class=\"nodeLabel\"><\/p>\n<p>Node1192.168.1.1:6379\u69fd\u4f4d:0-2730<\/p>\n<p><\/span><\/p>\n<p>         <span class=\"nodeLabel\"><\/p>\n<p>Node2192.168.1.2:6379\u69fd\u4f4d:2731-5460<\/p>\n<p><\/span><\/p>\n<p>         <span class=\"nodeLabel\"><\/p>\n<p>Node3192.168.1.3:6379\u69fd\u4f4d:5461-8190<\/p>\n<p><\/span><\/p>\n<p>         <span class=\"nodeLabel\"><\/p>\n<p>Node4192.168.1.4:6379\u69fd\u4f4d:8191-10920<\/p>\n<p><\/span><\/p>\n<p>         <span class=\"nodeLabel\"><\/p>\n<p>Node5192.168.1.5:6379\u69fd\u4f4d:10921-13650<\/p>\n<p><\/span><\/p>\n<p>         <span class=\"nodeLabel\"><\/p>\n<p>Node6192.168.1.6:6379\u69fd\u4f4d:13651-16383<\/p>\n<p><\/span><\/p>\n<p>         <span class=\"nodeLabel\"><\/p>\n<p>Node7Slave<\/p>\n<p><\/span><\/p>\n<p>         <span class=\"nodeLabel\"><\/p>\n<p>Node8Slave<\/p>\n<p><\/span><\/p>\n<p>         <span class=\"nodeLabel\"><\/p>\n<p>Node9Slave<\/p>\n<p><\/span><\/p>\n<p>         <span class=\"nodeLabel\"><\/p>\n<p>Smart ClientJedisCluster\/lettuce<\/p>\n<p><\/span><\/p>\n<h3>3.2 \u6838\u5fc3\u673a\u5236\u8be6\u89e3<\/h3>\n<h4>3.2.1 \u69fd\u4f4d\u8ba1\u7b97\u539f\u7406<\/h4>\n<p><span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">RedisClusterSlotCalculator<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ 16384\u4e2a\u69fd\u4f4d<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">final<\/span> <span class=\"token keyword\">int<\/span> <span class=\"token constant\">SLOT_COUNT<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">16384<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u8ba1\u7b97key\u7684\u69fd\u4f4d<br \/>\n     * CRC16(key) &amp; 16383<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">int<\/span> <span class=\"token function\">calculateSlot<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span> key<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u5904\u7406Hash Tag<\/span><br \/>\n        <span class=\"token class-name\">String<\/span> hashKey <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">getHashKey<\/span><span class=\"token punctuation\">(<\/span>key<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ CRC16\u7b97\u6cd5\u5b9e\u73b0<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> crc <span class=\"token operator\">&#061;<\/span> <span class=\"token constant\">CRC16<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">crc16<\/span><span class=\"token punctuation\">(<\/span>hashKey<span class=\"token punctuation\">.<\/span><span class=\"token function\">getBytes<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> crc <span class=\"token operator\">&amp;<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token constant\">SLOT_COUNT<\/span> <span class=\"token operator\">&#8211;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u63d0\u53d6Hash Tag<br \/>\n     * \u89c4\u5219&#xff1a;\u53ea\u8ba1\u7b97\u7b2c\u4e00\u4e2a{\u548c}\u4e4b\u95f4\u7684\u5185\u5bb9<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token class-name\">String<\/span> <span class=\"token function\">getHashKey<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span> key<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> s <span class=\"token operator\">&#061;<\/span> key<span class=\"token punctuation\">.<\/span><span class=\"token function\">indexOf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;{&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>s <span class=\"token operator\">&gt;&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">int<\/span> e <span class=\"token operator\">&#061;<\/span> key<span class=\"token punctuation\">.<\/span><span class=\"token function\">indexOf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;}&#034;<\/span><span class=\"token punctuation\">,<\/span> s <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>e <span class=\"token operator\">&gt;&#061;<\/span> <span class=\"token number\">0<\/span> <span class=\"token operator\">&amp;&amp;<\/span> e <span class=\"token operator\">!&#061;<\/span> s <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token keyword\">return<\/span> key<span class=\"token punctuation\">.<\/span><span class=\"token function\">substring<\/span><span class=\"token punctuation\">(<\/span>s <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> e<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> key<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>3.2.2 \u6279\u91cf\u64cd\u4f5c\u4f18\u5316\u5b9e\u6218<\/h4>\n<h5>\u573a\u666f1&#xff1a;\u7528\u6237\u7ef4\u5ea6\u7684\u6279\u91cf\u67e5\u8be2<\/h5>\n<p><span class=\"token annotation punctuation\">&#064;Service<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">UserDataService<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u9519\u8bef\u793a\u4f8b&#xff1a;key\u5206\u6563\u5728\u4e0d\u540c\u8282\u70b9<br \/>\n     * \u5bfc\u81f4\u7f51\u7edc\u5f00\u9500&#xff1a;3\u6b21\u7f51\u7edc\u8bf7\u6c42<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">Map<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">Object<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> <span class=\"token function\">getUserDataBad<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span> userId<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">Map<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">Object<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> result <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">HashMap<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u8fd9\u4e09\u4e2akey\u53ef\u80fd\u5206\u5e03\u57283\u4e2a\u4e0d\u540c\u8282\u70b9<\/span><br \/>\n        result<span class=\"token punctuation\">.<\/span><span class=\"token function\">put<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;profile&#034;<\/span><span class=\"token punctuation\">,<\/span> redisTemplate<span class=\"token punctuation\">.<\/span><span class=\"token function\">opsForValue<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;user:&#034;<\/span> <span class=\"token operator\">&#043;<\/span> userId <span class=\"token operator\">&#043;<\/span> <span class=\"token string\">&#034;:profile&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        result<span class=\"token punctuation\">.<\/span><span class=\"token function\">put<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;orders&#034;<\/span><span class=\"token punctuation\">,<\/span> redisTemplate<span class=\"token punctuation\">.<\/span><span class=\"token function\">opsForValue<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;user:&#034;<\/span> <span class=\"token operator\">&#043;<\/span> userId <span class=\"token operator\">&#043;<\/span> <span class=\"token string\">&#034;:orders&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        result<span class=\"token punctuation\">.<\/span><span class=\"token function\">put<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;points&#034;<\/span><span class=\"token punctuation\">,<\/span> redisTemplate<span class=\"token punctuation\">.<\/span><span class=\"token function\">opsForValue<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;user:&#034;<\/span> <span class=\"token operator\">&#043;<\/span> userId <span class=\"token operator\">&#043;<\/span> <span class=\"token string\">&#034;:points&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> result<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u6b63\u786e\u793a\u4f8b&#xff1a;\u4f7f\u7528Hash Tag<br \/>\n     * \u6240\u6709key\u5728\u540c\u4e00\u4e2a\u8282\u70b9&#xff0c;1\u6b21\u7f51\u7edc\u8bf7\u6c42<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">List<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">Object<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> <span class=\"token function\">getUserDataGood<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span> userId<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">String<\/span> hashTag <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;{user:&#034;<\/span> <span class=\"token operator\">&#043;<\/span> userId <span class=\"token operator\">&#043;<\/span> <span class=\"token string\">&#034;}&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">List<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> keys <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">Arrays<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">asList<\/span><span class=\"token punctuation\">(<\/span><br \/>\n            hashTag <span class=\"token operator\">&#043;<\/span> <span class=\"token string\">&#034;:profile&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            hashTag <span class=\"token operator\">&#043;<\/span> <span class=\"token string\">&#034;:orders&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            hashTag <span class=\"token operator\">&#043;<\/span> <span class=\"token string\">&#034;:points&#034;<\/span><br \/>\n        <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ mget\u4fdd\u8bc1\u5728\u4e00\u4e2a\u8282\u70b9\u6267\u884c<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> redisTemplate<span class=\"token punctuation\">.<\/span><span class=\"token function\">opsForValue<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">multiGet<\/span><span class=\"token punctuation\">(<\/span>keys<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u6279\u91cf\u5199\u5165\u4f18\u5316<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">batchUpdateUserData<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span> userId<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">UserData<\/span> data<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">String<\/span> hashTag <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;{user:&#034;<\/span> <span class=\"token operator\">&#043;<\/span> userId <span class=\"token operator\">&#043;<\/span> <span class=\"token string\">&#034;}&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">Map<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">Object<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> dataMap <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">HashMap<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        dataMap<span class=\"token punctuation\">.<\/span><span class=\"token function\">put<\/span><span class=\"token punctuation\">(<\/span>hashTag <span class=\"token operator\">&#043;<\/span> <span class=\"token string\">&#034;:profile&#034;<\/span><span class=\"token punctuation\">,<\/span> data<span class=\"token punctuation\">.<\/span><span class=\"token function\">getProfile<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        dataMap<span class=\"token punctuation\">.<\/span><span class=\"token function\">put<\/span><span class=\"token punctuation\">(<\/span>hashTag <span class=\"token operator\">&#043;<\/span> <span class=\"token string\">&#034;:orders&#034;<\/span><span class=\"token punctuation\">,<\/span> data<span class=\"token punctuation\">.<\/span><span class=\"token function\">getOrders<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        dataMap<span class=\"token punctuation\">.<\/span><span class=\"token function\">put<\/span><span class=\"token punctuation\">(<\/span>hashTag <span class=\"token operator\">&#043;<\/span> <span class=\"token string\">&#034;:points&#034;<\/span><span class=\"token punctuation\">,<\/span> data<span class=\"token punctuation\">.<\/span><span class=\"token function\">getPoints<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u4f7f\u7528pipeline\u6279\u91cf\u5199\u5165<\/span><br \/>\n        redisTemplate<span class=\"token punctuation\">.<\/span><span class=\"token function\">executePipelined<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">RedisCallback<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">Object<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><span class=\"token punctuation\">)<\/span> connection <span class=\"token operator\">-&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            dataMap<span class=\"token punctuation\">.<\/span><span class=\"token function\">forEach<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>key<span class=\"token punctuation\">,<\/span> value<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">-&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                connection<span class=\"token punctuation\">.<\/span><span class=\"token function\">set<\/span><span class=\"token punctuation\">(<\/span>key<span class=\"token punctuation\">.<\/span><span class=\"token function\">getBytes<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                             <span class=\"token class-name\">SerializationUtils<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">serialize<\/span><span class=\"token punctuation\">(<\/span>value<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token keyword\">null<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>\u573a\u666f2&#xff1a;\u591a\u7ef4\u5ea6\u6570\u636e\u5173\u8054<\/h4>\n<p><span class=\"token comment\">\/**<br \/>\n * \u7535\u5546\u8ba2\u5355\u7ef4\u5ea6\u67e5\u8be2\u4f18\u5316<br \/>\n *\/<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;Component<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">OrderOptimizer<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u8ba2\u5355\u76f8\u5173\u7684\u591a\u4e2a\u7ef4\u5ea6<br \/>\n     * \u4f7f\u7528\u590d\u5408Hash Tag\u8bbe\u8ba1key<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">storeOrderData<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Order<\/span> order<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">String<\/span> orderTag <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;{order:&#034;<\/span> <span class=\"token operator\">&#043;<\/span> order<span class=\"token punctuation\">.<\/span><span class=\"token function\">getOrderId<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#043;<\/span> <span class=\"token string\">&#034;}&#034;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u6240\u6709\u76f8\u5173key\u90fd\u5728\u540c\u4e00\u69fd\u4f4d<\/span><br \/>\n        <span class=\"token class-name\">String<\/span> orderKey <span class=\"token operator\">&#061;<\/span> orderTag <span class=\"token operator\">&#043;<\/span> <span class=\"token string\">&#034;:basic&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">String<\/span> itemsKey <span class=\"token operator\">&#061;<\/span> orderTag <span class=\"token operator\">&#043;<\/span> <span class=\"token string\">&#034;:items&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">String<\/span> logisKey <span class=\"token operator\">&#061;<\/span> orderTag <span class=\"token operator\">&#043;<\/span> <span class=\"token string\">&#034;:logistics&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">String<\/span> paymentKey <span class=\"token operator\">&#061;<\/span> orderTag <span class=\"token operator\">&#043;<\/span> <span class=\"token string\">&#034;:payment&#034;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ pipeline\u6279\u91cf\u5199\u5165<\/span><br \/>\n        redisTemplate<span class=\"token punctuation\">.<\/span><span class=\"token function\">executePipelined<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">RedisCallback<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">Object<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><span class=\"token punctuation\">)<\/span> connection <span class=\"token operator\">-&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            connection<span class=\"token punctuation\">.<\/span><span class=\"token function\">set<\/span><span class=\"token punctuation\">(<\/span>orderKey<span class=\"token punctuation\">.<\/span><span class=\"token function\">getBytes<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> order<span class=\"token punctuation\">.<\/span><span class=\"token function\">toString<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getBytes<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            connection<span class=\"token punctuation\">.<\/span><span class=\"token function\">set<\/span><span class=\"token punctuation\">(<\/span>itemsKey<span class=\"token punctuation\">.<\/span><span class=\"token function\">getBytes<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> order<span class=\"token punctuation\">.<\/span><span class=\"token function\">getItems<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">toString<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getBytes<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            connection<span class=\"token punctuation\">.<\/span><span class=\"token function\">set<\/span><span class=\"token punctuation\">(<\/span>logisKey<span class=\"token punctuation\">.<\/span><span class=\"token function\">getBytes<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> order<span class=\"token punctuation\">.<\/span><span class=\"token function\">getLogistics<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">toString<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getBytes<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            connection<span class=\"token punctuation\">.<\/span><span class=\"token function\">set<\/span><span class=\"token punctuation\">(<\/span>paymentKey<span class=\"token punctuation\">.<\/span><span class=\"token function\">getBytes<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> order<span class=\"token punctuation\">.<\/span><span class=\"token function\">getPayment<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">toString<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getBytes<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token keyword\">null<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u6279\u91cf\u67e5\u8be2\u8ba2\u5355\u6570\u636e<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">OrderVO<\/span> <span class=\"token function\">getOrderDetail<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span> orderId<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">String<\/span> orderTag <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;{order:&#034;<\/span> <span class=\"token operator\">&#043;<\/span> orderId <span class=\"token operator\">&#043;<\/span> <span class=\"token string\">&#034;}&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">List<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> keys <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">Arrays<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">asList<\/span><span class=\"token punctuation\">(<\/span><br \/>\n            orderTag <span class=\"token operator\">&#043;<\/span> <span class=\"token string\">&#034;:basic&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            orderTag <span class=\"token operator\">&#043;<\/span> <span class=\"token string\">&#034;:items&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            orderTag <span class=\"token operator\">&#043;<\/span> <span class=\"token string\">&#034;:logistics&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            orderTag <span class=\"token operator\">&#043;<\/span> <span class=\"token string\">&#034;:payment&#034;<\/span><br \/>\n        <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token class-name\">List<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">Object<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> values <span class=\"token operator\">&#061;<\/span> redisTemplate<span class=\"token punctuation\">.<\/span><span class=\"token function\">opsForValue<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">multiGet<\/span><span class=\"token punctuation\">(<\/span>keys<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u7ec4\u88c5\u6570\u636e<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token function\">assembleOrderVO<\/span><span class=\"token punctuation\">(<\/span>values<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h3>3.3 \u96c6\u7fa4\u6545\u969c\u8f6c\u79fb\u5b9e\u6218<\/h3>\n<h4>3.3.1 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ms\\&#8221;,verdana,arial,sans-serif;}<\/p>\n<p>           <span class=\"nodeLabel\"><\/p>\n<p>\u6545\u969c\u68c0\u6d4b\u6d41\u7a0b<\/p>\n<p><\/span><\/p>\n<p>           <span class=\"edgeLabel\"><\/p>\n<p>PING<\/p>\n<p><\/span><\/p>\n<p>           <span class=\"edgeLabel\"><\/p>\n<p>PONG<\/p>\n<p><\/span><\/p>\n<p>           <span class=\"edgeLabel\"><\/p>\n<p>PING\u8d85\u65f6<\/p>\n<p><\/span><\/p>\n<p>           <span class=\"edgeLabel\"><\/span><\/p>\n<p>           <span class=\"edgeLabel\"><\/p>\n<p>Gossip\u5e7f\u64ad<\/p>\n<p><\/span><\/p>\n<p>           <span class=\"edgeLabel\"><\/p>\n<p>Gossip\u5e7f\u64ad<\/p>\n<p><\/span><\/p>\n<p>           <span class=\"edgeLabel\"><\/p>\n<p>\u786e\u8ba4\u6545\u969c<\/p>\n<p><\/span><\/p>\n<p>           <span class=\"edgeLabel\"><\/p>\n<p>\u786e\u8ba4\u6545\u969c<\/p>\n<p><\/span><\/p>\n<p>           <span class=\"edgeLabel\"><\/span><\/p>\n<p>           <span class=\"nodeLabel\"><\/p>\n<p>\u8282\u70b9A<\/p>\n<p><\/span><\/p>\n<p>           <span class=\"nodeLabel\"><\/p>\n<p>\u8282\u70b9B<\/p>\n<p><\/span><\/p>\n<p>           <span class=\"nodeLabel\"><\/p>\n<p>\u8282\u70b9C<\/p>\n<p><\/span><\/p>\n<p>           <span class=\"nodeLabel\"><\/p>\n<p>\u8282\u70b9D<\/p>\n<p><\/span><\/p>\n<p>           <span class=\"nodeLabel\"><\/p>\n<p>PFAIL\u72b6\u6001<\/p>\n<p><\/span><\/p>\n<p>           <span class=\"nodeLabel\"><\/p>\n<p>\u8282\u70b9E<\/p>\n<p><\/span><\/p>\n<p>           <span class=\"nodeLabel\"><\/p>\n<p>\u8282\u70b9F<\/p>\n<p><\/span><\/p>\n<p>           <span class=\"nodeLabel\"><\/p>\n<p>FAIL\u72b6\u6001\u8fbe\u6210\u5f00\u59cb\u6545\u969c\u8f6c\u79fb<\/p>\n<p><\/span><\/p>\n<h4>3.3.2 \u6545\u969c\u8f6c\u79fb\u6e90\u7801\u7ea7\u5206\u6790<\/h4>\n<p><span class=\"token comment\">\/\/ \u6a21\u62df\u96c6\u7fa4\u6545\u969c\u8f6c\u79fb\u8fc7\u7a0b<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">ClusterFailoverSimulator<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u6545\u969c\u8f6c\u79fb\u89e6\u53d1\u6761\u4ef6<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">FailoverCondition<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u8282\u70b9\u8d85\u65f6\u65f6\u95f4&#xff0c;\u9ed8\u8ba415000ms<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> clusterNodeTimeout <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">15000<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u4e3b\u89c2\u4e0b\u7ebf\u9608\u503c<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> pfailCount <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u5ba2\u89c2\u4e0b\u7ebf\u6240\u9700\u786e\u8ba4\u6570<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> failReportCount <span class=\"token operator\">&#061;<\/span> clusterSize <span class=\"token operator\">\/<\/span> <span class=\"token number\">2<\/span> <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u4ece\u8282\u70b9\u9009\u4e3e\u7b97\u6cd5<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">SlaveElection<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/**<br \/>\n         * \u4f18\u5148\u7ea7\u8ba1\u7b97&#xff1a;<br \/>\n         * 1. \u590d\u5236\u504f\u79fb\u91cf\u8d8a\u5927\u4f18\u5148\u7ea7\u8d8a\u9ad8<br \/>\n         * 2. \u8282\u70b9ID\u6309\u5b57\u6bcd\u6392\u5e8f<br \/>\n         *\/<\/span><br \/>\n        <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">Slave<\/span> <span class=\"token function\">selectNewMaster<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">List<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">Slave<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> slaves<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> slaves<span class=\"token punctuation\">.<\/span><span class=\"token function\">stream<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">filter<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Slave<\/span><span class=\"token operator\">::<\/span><span class=\"token function\">isHealthy<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">max<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Comparator<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">comparing<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Slave<\/span><span class=\"token operator\">::<\/span><span class=\"token function\">getReplicationOffset<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token punctuation\">.<\/span><span class=\"token function\">thenComparing<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Slave<\/span><span class=\"token operator\">::<\/span><span class=\"token function\">getNodeId<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">orElseThrow<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">-&gt;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">NoMasterElectedException<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/**<br \/>\n         * \u6295\u7968\u673a\u5236<br \/>\n         * \u6bcf\u4e2aMaster\u8282\u70b9\u53ea\u6709\u4e00\u7968<br \/>\n         * \u83b7\u5f97\u534a\u6570\u4ee5\u4e0a\u7968\u6570\u7684Slave\u6210\u4e3a\u65b0Master<br \/>\n         *\/<\/span><br \/>\n        <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">boolean<\/span> <span class=\"token function\">election<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Slave<\/span> candidate<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> masterCount<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">int<\/span> votes <span class=\"token operator\">&#061;<\/span> candidate<span class=\"token punctuation\">.<\/span><span class=\"token function\">requestVotes<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> votes <span class=\"token operator\">&gt;<\/span> masterCount <span class=\"token operator\">\/<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h2>\u56db\u3001\u751f\u4ea7\u73af\u5883\u9009\u578b\u5b9e\u6218\u6307\u5357<\/h2>\n<h3>4.1 \u4e1a\u52a1\u573a\u666f1&#xff1a;\u4e2d\u5c0f\u578b\u7535\u5546\u7cfb\u7edf<\/h3>\n<p>\u4e1a\u52a1\u7279\u5f81&#xff1a;<\/p>\n<ul>\n<li>\u6570\u636e\u91cf&#xff1a;50GB\u4ee5\u5185<\/li>\n<li>QPS&#xff1a;\u8bfb\u5199\u6df7\u54085-10\u4e07<\/li>\n<li>\u53ef\u7528\u6027\u8981\u6c42&#xff1a;99.95%<\/li>\n<li>\u9884\u7b97&#xff1a;\u6709\u9650<\/li>\n<\/ul>\n<p>\u67b6\u6784\u65b9\u6848&#xff1a;<\/p>\n<p>\u90e8\u7f72\u67b6\u6784&#xff1a;<br \/>\n  1\u4e3b2\u4ece &#043; 3\u54e8\u5175\u54e8\u5175<\/p>\n<p>\u8d44\u6e90\u914d\u7f6e&#xff1a;<br \/>\n  \u4e3b\u8282\u70b9&#xff1a;8\u683832G\u5185\u5b58<br \/>\n  \u4ece\u8282\u70b9&#xff1a;8\u683832G\u5185\u5b58<br \/>\n  \u54e8\u5175\u8282\u70b9&#xff1a;2\u68384G (3\u53f0)<\/p>\n<p>\u914d\u7f6e\u4f18\u5316&#xff1a;<br \/>\n  <span class=\"token comment\"># redis.conf<\/span><br \/>\n  maxmemory 24gb<br \/>\n  maxmemory<span class=\"token punctuation\">&#8211;<\/span>policy allkeys<span class=\"token punctuation\">&#8211;<\/span>lru<br \/>\n  save 900 1<br \/>\n  save 300 10<br \/>\n  save 60 10000<\/p>\n<p>  <span class=\"token comment\"># sentinel.conf<\/span><br \/>\n  sentinel monitor mymaster 192.168.1.10 6379 2<br \/>\n  sentinel down<span class=\"token punctuation\">&#8211;<\/span>after<span class=\"token punctuation\">&#8211;<\/span>milliseconds mymaster 10000<br \/>\n  sentinel failover<span class=\"token punctuation\">&#8211;<\/span>timeout mymaster 60000<br \/>\n  sentinel parallel<span class=\"token punctuation\">&#8211;<\/span>syncs mymaster 1<\/p>\n<p>\u76d1\u63a7\u544a\u8b66&#xff1a;<\/p>\n<p><span class=\"token annotation punctuation\">&#064;Component<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">SentinelMonitor<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Scheduled<\/span><span class=\"token punctuation\">(<\/span>fixedDelay <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">5000<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">checkSentinelHealth<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u76d1\u63a7\u4e3b\u4ece\u5ef6\u8fdf<\/span><br \/>\n        <span class=\"token class-name\">Long<\/span> masterOffset <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">getMasterOffset<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">List<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">Long<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> slaveOffsets <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">getSlaveOffsets<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Long<\/span> slaveOffset <span class=\"token operator\">:<\/span> slaveOffsets<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">long<\/span> delay <span class=\"token operator\">&#061;<\/span> masterOffset <span class=\"token operator\">&#8211;<\/span> slaveOffset<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>delay <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">10000<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>  <span class=\"token comment\">\/\/ \u5ef6\u8fdf\u8d85\u8fc710000\u6761\u547d\u4ee4<\/span><br \/>\n                <span class=\"token function\">alert<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u4ece\u8282\u70b9\u540c\u6b65\u5ef6\u8fdf\u8fc7\u9ad8&#xff1a;&#034;<\/span> <span class=\"token operator\">&#043;<\/span> delay<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u76d1\u63a7\u54e8\u5175\u72b6\u6001<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> activeSentinels <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">getActiveSentinels<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>activeSentinels <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">3<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token function\">alert<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u54e8\u5175\u8282\u70b9\u5f02\u5e38&#xff0c;\u5f53\u524d\u5b58\u6d3b&#xff1a;&#034;<\/span> <span class=\"token operator\">&#043;<\/span> activeSentinels<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h3>4.2 \u4e1a\u52a1\u573a\u666f2&#xff1a;\u5927\u578b\u793e\u4ea4\u5e73\u53f0<\/h3>\n<p>\u4e1a\u52a1\u7279\u5f81&#xff1a;<\/p>\n<ul>\n<li>\u6570\u636e\u91cf&#xff1a;500GB&#043;<\/li>\n<li>QPS&#xff1a;\u5199\u516510\u4e07&#043;&#xff0c;\u8bfb\u53d650\u4e07&#043;<\/li>\n<li>\u53ef\u7528\u6027\u8981\u6c42&#xff1a;99.99%<\/li>\n<li>\u4e1a\u52a1\u6a21\u5757&#xff1a;\u7528\u6237\u5173\u7cfb\u3001Feed\u6d41\u3001\u6d88\u606f\u961f\u5217<\/li>\n<\/ul>\n<p>\u67b6\u6784\u65b9\u6848&#xff1a;<\/p>\n<p>\u90e8\u7f72\u67b6\u6784&#xff1a;<br \/>\n  9\u8282\u70b9\u96c6\u7fa4(6\u4e3b3\u4ece)<\/p>\n<p>\u8282\u70b9\u5206\u5e03&#xff1a;<br \/>\n  \u53ef\u7528\u533aA&#xff1a;\u4e3b\u8282\u70b9x2 &#043; \u4ece\u8282\u70b9x1<br \/>\n  \u53ef\u7528\u533aB&#xff1a;\u4e3b\u8282\u70b9x2 &#043; \u4ece\u8282\u70b9x1<br \/>\n  \u53ef\u7528\u533aC&#xff1a;\u4e3b\u8282\u70b9x2 &#043; \u4ece\u8282\u70b9x1<\/p>\n<p>\u8d44\u6e90\u914d\u7f6e&#xff1a;<br \/>\n  \u4e3b\u8282\u70b9&#xff1a;16\u683864G\u5185\u5b58<br \/>\n  \u4ece\u8282\u70b9&#xff1a;16\u683864G\u5185\u5b58<\/p>\n<p>\u914d\u7f6e\u4f18\u5316&#xff1a;<br \/>\n  <span class=\"token comment\"># redis.conf<\/span><br \/>\n  cluster<span class=\"token punctuation\">&#8211;<\/span>enabled yes<br \/>\n  cluster<span class=\"token punctuation\">&#8211;<\/span>config<span class=\"token punctuation\">&#8211;<\/span>file nodes.conf<br \/>\n  cluster<span class=\"token punctuation\">&#8211;<\/span>node<span class=\"token punctuation\">&#8211;<\/span>timeout 5000<br \/>\n  cluster<span class=\"token punctuation\">&#8211;<\/span>require<span class=\"token punctuation\">&#8211;<\/span>full<span class=\"token punctuation\">&#8211;<\/span>coverage no<br \/>\n  cluster<span class=\"token punctuation\">&#8211;<\/span>migration<span class=\"token punctuation\">&#8211;<\/span>barrier 1<\/p>\n<p>  <span class=\"token comment\"># \u7f51\u7edc\u4f18\u5316<\/span><br \/>\n  tcp<span class=\"token punctuation\">&#8211;<\/span>backlog 511<br \/>\n  timeout 0<br \/>\n  tcp<span class=\"token punctuation\">&#8211;<\/span>keepalive 300<\/p>\n<p>\u5206\u7247\u7b56\u7565\u8bbe\u8ba1&#xff1a;<\/p>\n<p><span class=\"token annotation punctuation\">&#064;Component<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">ShardingStrategy<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u7528\u6237\u5173\u7cfb\u6570\u636e\u5206\u7247<br \/>\n     * \u6309\u7528\u6237ID\u54c8\u5e0c\u5206\u5e03<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">String<\/span> <span class=\"token function\">getUserRelationKey<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">long<\/span> userId<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#034;{relation:&#034;<\/span> <span class=\"token operator\">&#043;<\/span> <span class=\"token punctuation\">(<\/span>userId <span class=\"token operator\">%<\/span> <span class=\"token number\">1000<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#043;<\/span> <span class=\"token string\">&#034;}:user:&#034;<\/span> <span class=\"token operator\">&#043;<\/span> userId<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * Feed\u6d41\u6570\u636e\u5206\u7247<br \/>\n     * \u6309\u65f6\u95f4\u7ef4\u5ea6\u5206\u7247&#xff0c;\u907f\u514d\u70ed\u70b9<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">String<\/span> <span class=\"token function\">getFeedKey<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">long<\/span> timestamp<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u6309\u5c0f\u65f6\u5206\u7247<\/span><br \/>\n        <span class=\"token class-name\">String<\/span> hourTag <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;feed:&#034;<\/span> <span class=\"token operator\">&#043;<\/span> <span class=\"token punctuation\">(<\/span>timestamp <span class=\"token operator\">\/<\/span> <span class=\"token number\">3600000<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#034;{&#034;<\/span> <span class=\"token operator\">&#043;<\/span> hourTag <span class=\"token operator\">&#043;<\/span> <span class=\"token string\">&#034;}:data&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u70ed\u70b9key\u5904\u7406<br \/>\n     * \u4f7f\u7528\u672c\u5730\u7f13\u5b58&#043;\u5206\u5e03\u5f0f\u9501<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Cacheable<\/span><span class=\"token punctuation\">(<\/span>value <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;hot:user&#034;<\/span><span class=\"token punctuation\">,<\/span> key <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;#userId&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">User<\/span> <span class=\"token function\">getUserWithLocalCache<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">long<\/span> userId<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">String<\/span> lockKey <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;{lock:user:&#034;<\/span> <span class=\"token operator\">&#043;<\/span> userId <span class=\"token operator\">&#043;<\/span> <span class=\"token string\">&#034;}&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">RLock<\/span> lock <span class=\"token operator\">&#061;<\/span> redissonClient<span class=\"token punctuation\">.<\/span><span class=\"token function\">getLock<\/span><span class=\"token punctuation\">(<\/span>lockKey<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">try<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>lock<span class=\"token punctuation\">.<\/span><span class=\"token function\">tryLock<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">5<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">TimeUnit<\/span><span class=\"token punctuation\">.<\/span><span class=\"token constant\">SECONDS<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token comment\">\/\/ \u67e5Redis\u96c6\u7fa4<\/span><br \/>\n                <span class=\"token keyword\">return<\/span> <span class=\"token function\">queryFromCluster<\/span><span class=\"token punctuation\">(<\/span>userId<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">finally<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            lock<span class=\"token punctuation\">.<\/span><span class=\"token function\">unlock<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token keyword\">null<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h3>4.3 \u4e1a\u52a1\u573a\u666f3&#xff1a;\u91d1\u878d\u652f\u4ed8\u7cfb\u7edf<\/h3>\n<p>\u4e1a\u52a1\u7279\u5f81&#xff1a;<\/p>\n<ul>\n<li>\u6570\u636e\u5f3a\u4e00\u81f4\u6027\u8981\u6c42<\/li>\n<li>\u4e0d\u80fd\u5bb9\u5fcd\u6570\u636e\u4e22\u5931<\/li>\n<li>\u4e25\u683c\u7684\u5ba1\u8ba1\u8981\u6c42<\/li>\n<li>\u79d2\u7ea7\u6545\u969c\u6062\u590d\u8981\u6c42<\/li>\n<\/ul>\n<p>\u67b6\u6784\u65b9\u6848&#xff1a;<\/p>\n<p>\u90e8\u7f72\u67b6\u6784&#xff1a;<br \/>\n  3\u4e3b3\u4ece\u96c6\u7fa4 &#043; \u8de8\u673a\u623f\u5bb9\u707e<\/p>\n<p>\u53cc\u673a\u623f\u90e8\u7f72&#xff1a;<br \/>\n  \u4e3b\u4e2d\u5fc3&#xff1a;3\u4e3b &#043; 2\u4ece<br \/>\n  \u5907\u4e2d\u5fc3&#xff1a;1\u4ece &#043; \u5b9e\u65f6\u540c\u6b65<\/p>\n<p>\u6570\u636e\u4e00\u81f4\u6027\u914d\u7f6e&#xff1a;<br \/>\n  <span class=\"token comment\"># redis.conf<\/span><br \/>\n  min<span class=\"token punctuation\">&#8211;<\/span>replicas<span class=\"token punctuation\">&#8211;<\/span>to<span class=\"token punctuation\">&#8211;<\/span>write 2<br \/>\n  min<span class=\"token punctuation\">&#8211;<\/span>replicas<span class=\"token punctuation\">&#8211;<\/span>max<span class=\"token punctuation\">&#8211;<\/span>lag 2<br \/>\n  wait 2 1000  <span class=\"token comment\"># \u7b49\u5f85\u81f3\u5c112\u4e2a\u4ece\u8282\u70b9\u786e\u8ba4<\/span><\/p>\n<p>  cluster<span class=\"token punctuation\">&#8211;<\/span>require<span class=\"token punctuation\">&#8211;<\/span>full<span class=\"token punctuation\">&#8211;<\/span>coverage yes<br \/>\n  cluster<span class=\"token punctuation\">&#8211;<\/span>node<span class=\"token punctuation\">&#8211;<\/span>timeout 3000<\/p>\n<p>\u5f3a\u4e00\u81f4\u6027\u5b9e\u73b0&#xff1a;<\/p>\n<p><span class=\"token annotation punctuation\">&#064;Service<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">PaymentService<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Autowired<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">RedisTemplate<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">String<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> redisTemplate<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u652f\u4ed8\u4e8b\u52a1&#xff1a;\u8981\u6c42\u5f3a\u4e00\u81f4\u6027<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">boolean<\/span> <span class=\"token function\">processPayment<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Payment<\/span> payment<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">String<\/span> key <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;payment:&#034;<\/span> <span class=\"token operator\">&#043;<\/span> payment<span class=\"token punctuation\">.<\/span><span class=\"token function\">getOrderId<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">String<\/span> lockKey <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;{lock:&#034;<\/span> <span class=\"token operator\">&#043;<\/span> key <span class=\"token operator\">&#043;<\/span> <span class=\"token string\">&#034;}&#034;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u5206\u5e03\u5f0f\u9501<\/span><br \/>\n        <span class=\"token class-name\">RLock<\/span> lock <span class=\"token operator\">&#061;<\/span> redissonClient<span class=\"token punctuation\">.<\/span><span class=\"token function\">getLock<\/span><span class=\"token punctuation\">(<\/span>lockKey<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">try<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            lock<span class=\"token punctuation\">.<\/span><span class=\"token function\">lock<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">5<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">TimeUnit<\/span><span class=\"token punctuation\">.<\/span><span class=\"token constant\">SECONDS<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token comment\">\/\/ \u5f00\u542fRedis\u4e8b\u52a1<\/span><br \/>\n            redisTemplate<span class=\"token punctuation\">.<\/span><span class=\"token function\">setEnableTransactionSupport<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">true<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token class-name\">SessionCallback<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">Object<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> callback <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">SessionCallback<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">Object<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n                <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">Object<\/span> <span class=\"token function\">execute<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">RedisOperations<\/span> operations<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">throws<\/span> <span class=\"token class-name\">DataAccessException<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                    operations<span class=\"token punctuation\">.<\/span><span class=\"token function\">multi<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                    <span class=\"token keyword\">try<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                        <span class=\"token comment\">\/\/ \u6263\u51cf\u4f59\u989d<\/span><br \/>\n                        operations<span class=\"token punctuation\">.<\/span><span class=\"token function\">opsForValue<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">decrement<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;balance:&#034;<\/span> <span class=\"token operator\">&#043;<\/span> payment<span class=\"token punctuation\">.<\/span><span class=\"token function\">getUserId<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                                                          payment<span class=\"token punctuation\">.<\/span><span class=\"token function\">getAmount<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                        <span class=\"token comment\">\/\/ \u8bb0\u5f55\u652f\u4ed8\u6d41\u6c34<\/span><br \/>\n                        operations<span class=\"token punctuation\">.<\/span><span class=\"token function\">opsForValue<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">set<\/span><span class=\"token punctuation\">(<\/span>key<span class=\"token punctuation\">,<\/span> payment<span class=\"token punctuation\">.<\/span><span class=\"token function\">toString<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                        <span class=\"token comment\">\/\/ \u66f4\u65b0\u8ba2\u5355\u72b6\u6001<\/span><br \/>\n                        operations<span class=\"token punctuation\">.<\/span><span class=\"token function\">opsForValue<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;order:&#034;<\/span> <span class=\"token operator\">&#043;<\/span> payment<span class=\"token punctuation\">.<\/span><span class=\"token function\">getOrderId<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                                                     <span class=\"token string\">&#034;PAID&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>                        <span class=\"token comment\">\/\/ \u6267\u884c\u4e8b\u52a1\u5e76\u7b49\u5f85\u4ece\u8282\u70b9\u786e\u8ba4<\/span><br \/>\n                        <span class=\"token class-name\">List<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">Object<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> results <span class=\"token operator\">&#061;<\/span> operations<span class=\"token punctuation\">.<\/span><span class=\"token function\">exec<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                        <span class=\"token comment\">\/\/ WAIT\u547d\u4ee4\u786e\u4fdd\u6570\u636e\u540c\u6b65\u5230\u4ece\u8282\u70b9<\/span><br \/>\n                        redisTemplate<span class=\"token punctuation\">.<\/span><span class=\"token function\">execute<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">RedisCallback<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">Long<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><span class=\"token punctuation\">)<\/span> connection <span class=\"token operator\">-&gt;<\/span><br \/>\n                            connection<span class=\"token punctuation\">.<\/span><span class=\"token function\">waitReplicas<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1000<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>                        <span class=\"token keyword\">return<\/span> results<span class=\"token punctuation\">;<\/span><br \/>\n                    <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">catch<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Exception<\/span> e<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                        operations<span class=\"token punctuation\">.<\/span><span class=\"token function\">discard<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                        <span class=\"token keyword\">throw<\/span> e<span class=\"token punctuation\">;<\/span><br \/>\n                    <span class=\"token punctuation\">}<\/span><br \/>\n                <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token class-name\">List<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">Object<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> results <span class=\"token operator\">&#061;<\/span> redisTemplate<span class=\"token punctuation\">.<\/span><span class=\"token function\">execute<\/span><span class=\"token punctuation\">(<\/span>callback<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token operator\">!<\/span>results<span class=\"token punctuation\">.<\/span><span class=\"token function\">contains<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">null<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">finally<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            lock<span class=\"token punctuation\">.<\/span><span class=\"token function\">unlock<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u6570\u636e\u6838\u5bf9\u673a\u5236<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Scheduled<\/span><span class=\"token punctuation\">(<\/span>cron <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;0 0\/5 * * * ?&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">verifyDataConsistency<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u5bf9\u6bd4\u4e3b\u4ece\u6570\u636e<\/span><br \/>\n        <span class=\"token class-name\">Long<\/span> masterCount <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">getMasterDataCount<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">Long<\/span> slaveCount <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">getSlaveDataCount<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>masterCount<span class=\"token punctuation\">.<\/span><span class=\"token function\">equals<\/span><span class=\"token punctuation\">(<\/span>slaveCount<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u89e6\u53d1\u6570\u636e\u4fee\u590d\u6d41\u7a0b<\/span><br \/>\n            <span class=\"token function\">triggerDataRepair<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u53d1\u9001\u544a\u8b66<\/span><br \/>\n            <span class=\"token function\">alert<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Redis\u4e3b\u4ece\u6570\u636e\u4e0d\u4e00\u81f4&#xff01;&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h2>\u4e94\u3001\u67b6\u6784\u9009\u578b\u51b3\u7b56\u6811<\/h2>\n<p>  #mermaid-svg-RVrvxHi1hUogbuEX{font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;font-size:16px;fill:#333;}@keyframes edge-animation-frame{from{stroke-dashoffset:0;}}@keyframes dash{to{stroke-dashoffset:0;}}#mermaid-svg-RVrvxHi1hUogbuEX .edge-animation-slow{stroke-dasharray:9,5!important;stroke-dashoffset:900;animation:dash 50s linear infinite;stroke-linecap:round;}#mermaid-svg-RVrvxHi1hUogbuEX .edge-animation-fast{stroke-dasharray:9,5!important;stroke-dashoffset:900;animation:dash 20s linear infinite;stroke-linecap:round;}#mermaid-svg-RVrvxHi1hUogbuEX .error-icon{fill:#552222;}#mermaid-svg-RVrvxHi1hUogbuEX .error-text{fill:#552222;stroke:#552222;}#mermaid-svg-RVrvxHi1hUogbuEX .edge-thickness-normal{stroke-width:1px;}#mermaid-svg-RVrvxHi1hUogbuEX .edge-thickness-thick{stroke-width:3.5px;}#mermaid-svg-RVrvxHi1hUogbuEX 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:root{&#8211;mermaid-font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;}<\/p>\n<p>         <span class=\"edgeLabel\"><\/span><\/p>\n<p>         <span class=\"edgeLabel\"><\/p>\n<p>\u5426<\/p>\n<p><\/span><\/p>\n<p>         <span class=\"edgeLabel\"><\/p>\n<p>\u662f<\/p>\n<p><\/span><\/p>\n<p>         <span class=\"edgeLabel\"><\/p>\n<p>\u662f<\/p>\n<p><\/span><\/p>\n<p>         <span class=\"edgeLabel\"><\/p>\n<p>\u5426<\/p>\n<p><\/span><\/p>\n<p>         <span class=\"edgeLabel\"><\/p>\n<p>\u662f<\/p>\n<p><\/span><\/p>\n<p>         <span class=\"edgeLabel\"><\/p>\n<p>\u5426<\/p>\n<p><\/span><\/p>\n<p>         <span class=\"edgeLabel\"><\/p>\n<p>\u662f<\/p>\n<p><\/span><\/p>\n<p>         <span class=\"edgeLabel\"><\/p>\n<p>\u5426<\/p>\n<p><\/span><\/p>\n<p>         <span class=\"edgeLabel\"><\/span><\/p>\n<p>         <span class=\"edgeLabel\"><\/span><\/p>\n<p>         <span class=\"edgeLabel\"><\/span><\/p>\n<p>         <span class=\"nodeLabel\"><\/p>\n<p>\u5f00\u59cb\u9009\u578b<\/p>\n<p><\/span><\/p>\n<p>         <span class=\"nodeLabel\"><\/p>\n<p>\u6570\u636e\u91cf\u8d85\u8fc7100GB?<\/p>\n<p><\/span><\/p>\n<p>         <span class=\"nodeLabel\"><\/p>\n<p>\u5199QPS\u8d85\u8fc75\u4e07?<\/p>\n<p><\/span><\/p>\n<p>         <span class=\"nodeLabel\"><\/p>\n<p>Cluster\u96c6\u7fa4<\/p>\n<p><\/span><\/p>\n<p>         <span class=\"nodeLabel\"><\/p>\n<p>\u53ef\u7528\u6027\u8981\u6c4299.95%\u4ee5\u4e0a?<\/p>\n<p><\/span><\/p>\n<p>         <span class=\"nodeLabel\"><\/p>\n<p>\u54e8\u5175\u6a21\u5f0f<\/p>\n<p><\/span><\/p>\n<p>         <span class=\"nodeLabel\"><\/p>\n<p>\u8bfb\u5199\u6bd4\u4f8b\u8bfb\u8fdc\u5927\u4e8e\u5199?<\/p>\n<p><\/span><\/p>\n<p>         <span class=\"nodeLabel\"><\/p>\n<p>\u4e3b\u4ece\u590d\u5236&#043;\u8bfb\u5199\u5206\u79bb<\/p>\n<p><\/span><\/p>\n<p>         <span class=\"nodeLabel\"><\/p>\n<p>\u786e\u5b9a\u67b6\u6784<\/p>\n<p><\/span><\/p>\n<h2>\u516d\u3001\u603b\u7ed3\u4e0e\u6700\u4f73\u5b9e\u8df5<\/h2>\n<h3>6.1 \u5404\u67b6\u6784\u9002\u7528\u573a\u666f\u901f\u67e5\u8868<\/h3>\n<p>Redis \u591a\u4e1a\u52a1\u573a\u666f\u67b6\u6784\u9009\u578b\u4e0e\u914d\u7f6e\u6307\u5357&#xff1a;<\/p>\n<table>\n<tr>\u4e1a\u52a1\u573a\u666f\u6570\u636e\u91cf\u7ea7\u63a8\u8350\u67b6\u6784\u6838\u5fc3\u914d\u7f6e\u6ce8\u610f\u4e8b\u9879\u4e0e\u5173\u952e\u8fd0\u7ef4<\/tr>\n<tbody>\n<tr>\n<td align=\"left\">\u7f13\u5b58\u52a0\u901f<\/td>\n<td align=\"left\">&lt; 10G<\/td>\n<td align=\"left\">\u4e3b\u4ece &#043; \u54e8\u5175  (Master-Slave &#043; Sentinel)<\/td>\n<td align=\"left\">maxmemory-policy allkeys-lru  maxmemory 8GB<\/td>\n<td align=\"left\">\u2022 \u76d1\u63a7&#xff1a;\u91cd\u70b9\u5173\u6ce8\u54e8\u5175\u76d1\u63a7\u72b6\u6001\u4e0e\u4e3b\u4ece\u590d\u5236\u5ef6\u8fdf\u3002 \u2022 \u9a71\u9010&#xff1a;\u786e\u4fdd maxmemory \u8bbe\u7f6e\u7565\u4f4e\u4e8e\u7269\u7406\u5185\u5b58&#xff0c;\u907f\u514dOOM\u3002<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">\u4f1a\u8bdd\u5b58\u50a8<\/td>\n<td align=\"left\">&lt; 50G<\/td>\n<td align=\"left\">\u54e8\u5175\u6a21\u5f0f  (Sentinel)<\/td>\n<td align=\"left\">maxmemory-policy volatile-lru  maxmemory 45GB<\/td>\n<td align=\"left\">\u2022 \u8fc7\u671f\u7b56\u7565&#xff1a;\u5e94\u7528\u5c42\u5fc5\u987b\u8bbe\u7f6e\u5408\u7406\u7684\u8fc7\u671f\u65f6\u95f4&#xff08;expire&#xff09;&#xff0c;\u9632\u6b62\u5185\u5b58\u6cc4\u9732\u3002 \u2022 \u9ad8\u53ef\u7528&#xff1a;\u54e8\u5175\u6570\u91cf\u81f3\u5c113\u4e2a&#xff0c;\u90e8\u7f72\u5728\u4e0d\u540c\u7269\u7406\u673a\u3002<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">\u8ba1\u6570\u7edf\u8ba1<\/td>\n<td align=\"left\">&lt; 100G<\/td>\n<td align=\"left\">Cluster \u96c6\u7fa4<\/td>\n<td align=\"left\">cluster-node-timeout 5000  cluster-enabled yes<\/td>\n<td align=\"left\">\u2022 \u6570\u636e\u5206\u7247&#xff1a;\u4f7f\u7528 Hash Tag (\u4f8b\u5982 {user123}:count&#xff09;\u786e\u4fdd\u76f8\u5173key\u4f4d\u4e8e\u540c\u4e00slot&#xff0c;\u652f\u6301\u591akey\u64cd\u4f5c\u3002 \u2022 \u6269\u7f29\u5bb9&#xff1a;\u89c4\u5212\u597dslot\u6570\u91cf&#xff0c;\u9884\u5148\u5206\u914d\u8282\u70b9\u3002<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">\u652f\u4ed8\u4ea4\u6613<\/td>\n<td align=\"left\">&lt; 500G<\/td>\n<td align=\"left\">\u5f3a\u4e00\u81f4\u6027\u96c6\u7fa4  (Cluster &#043; \u5f3a\u540c\u6b65)<\/td>\n<td align=\"left\">min-replicas-to-write 2  min-replicas-max-lag 5  appendonly yes  appendfsync always<\/td>\n<td align=\"left\">\u2022 \u6301\u4e45\u5316&#xff1a;\u5fc5\u987b\u5f00\u542fAOF\u4e14\u4e3aalways\u5237\u76d8&#xff0c;\u914d\u5408appendfsync\u4fdd\u8bc1\u6570\u636e\u4e0d\u4e22\u3002 \u2022 \u4e00\u81f4\u6027&#xff1a;\u81f3\u5c11\u540c\u6b65\u5199\u51652\u4e2a\u4ece\u8282\u70b9&#xff0c;\u727a\u7272\u90e8\u5206\u6027\u80fd\u6362\u53d6\u5f3a\u4e00\u81f4\u6027\u3002 \u2022 \u5907\u4efd&#xff1a;\u5b9a\u671f\u5907\u4efdAOF\u6587\u4ef6\u5230\u8fdc\u7a0b\u5b58\u50a8\u3002<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">\u793e\u4ea4Feed<\/td>\n<td align=\"left\">&gt; 500G<\/td>\n<td align=\"left\">\u5927\u89c4\u6a21\u96c6\u7fa4  (Cluster &#043; \u5f02\u5730\u591a\u6d3b)<\/td>\n<td align=\"left\">cluster-migration-barrier 1  repl-backlog-size 512MB<\/td>\n<td align=\"left\">\u2022 \u52a8\u6001\u6269\u5bb9&#xff1a;\u91c7\u7528\u9884\u5206\u7247&#xff08;\u9884\u521b\u5efa\u8f83\u591aslot&#xff09;\u6216\u652f\u6301\u5728\u7ebf\u6269\u5bb9\u7684\u96c6\u7fa4\u65b9\u6848&#xff08;\u5982Redis Cluster\u6216Codis&#xff09;\u3002 \u2022 \u5927Key\u5904\u7406&#xff1a;\u907f\u514d\u5b58\u50a8\u7528\u6237\u65f6\u95f4\u7ebf\u5927Key&#xff0c;\u5efa\u8bae\u62c6\u5206\u4e3a\u591a\u4e2a\u5c0fKey\u6216\u4f7f\u7528\u5176\u4ed6\u7ec4\u4ef6\u3002 \u2022 \u7f51\u7edc&#xff1a;\u4fdd\u8bc1\u8282\u70b9\u95f4\u7f51\u7edc\u4f4e\u5ef6\u8fdf&#xff0c;\u9002\u5f53\u589e\u5927repl-backlog\u4ee5\u5e94\u5bf9\u7f51\u7edc\u6296\u52a8\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>6.2 \u751f\u4ea7\u73af\u5883\u907f\u5751\u6307\u5357<\/h3>\n<p>\u5185\u5b58\u7206\u70b8\u9884\u9632&#xff1a;<\/p>\n<p><span class=\"token comment\"># \u9650\u5236\u5355\u4e2akey\u5927\u5c0f<\/span><br \/>\n<span class=\"token comment\"># redis.conf<\/span><br \/>\nproto-max-bulk-len 100mb<\/p>\n<p><span class=\"token comment\"># \u76d1\u63a7\u5927key<\/span><br \/>\nredis-cli <span class=\"token parameter variable\">&#8211;bigkeys<\/span><\/p>\n<p>\u7f51\u7edc\u5206\u533a\u9632\u62a4&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ \u5e94\u7528\u5c42\u7194\u65ad<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;HystrixCommand<\/span><span class=\"token punctuation\">(<\/span>fallbackMethod <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;fallbackGetFromDB&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    commandProperties <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token annotation punctuation\">&#064;HystrixProperty<\/span><span class=\"token punctuation\">(<\/span>name <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;circuitBreaker.requestVolumeThreshold&#034;<\/span><span class=\"token punctuation\">,<\/span> value <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;10&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        <span class=\"token annotation punctuation\">&#064;HystrixProperty<\/span><span class=\"token punctuation\">(<\/span>name <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;circuitBreaker.errorThresholdPercentage&#034;<\/span><span class=\"token punctuation\">,<\/span> value <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;50&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        <span class=\"token annotation punctuation\">&#064;HystrixProperty<\/span><span class=\"token punctuation\">(<\/span>name <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;circuitBreaker.sleepWindowInMilliseconds&#034;<\/span><span class=\"token punctuation\">,<\/span> value <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;5000&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token class-name\">Object<\/span> <span class=\"token function\">getFromRedis<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span> key<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> redisTemplate<span class=\"token punctuation\">.<\/span><span class=\"token function\">opsForValue<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span>key<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u7248\u672c\u5347\u7ea7\u7b56\u7565&#xff1a;<\/p>\n<p><span class=\"token comment\"># \u96c6\u7fa4\u6eda\u52a8\u5347\u7ea7<\/span><br \/>\n<span class=\"token number\">1<\/span>. \u5148\u5347\u7ea7\u4ece\u8282\u70b9<br \/>\n<span class=\"token number\">2<\/span>. \u624b\u52a8\u89e6\u53d1\u6545\u969c\u8f6c\u79fb<br \/>\n<span class=\"token number\">3<\/span>. \u5347\u7ea7\u539f\u4e3b\u8282\u70b9<br \/>\n<span class=\"token number\">4<\/span>. \u9a8c\u8bc1\u96c6\u7fa4\u72b6\u6001<\/p>\n<p><span class=\"token comment\"># \u5347\u7ea7\u524d\u5fc5\u987b\u6d4b\u8bd5<\/span><br \/>\nredis-benchmark <span class=\"token parameter variable\">-h<\/span> <span class=\"token number\">127.0<\/span>.0.1 <span class=\"token parameter variable\">-p<\/span> <span class=\"token number\">6379<\/span> <span class=\"token parameter variable\">-c<\/span> <span class=\"token number\">50<\/span> <span class=\"token parameter variable\">-n<\/span> <span class=\"token number\">10000<\/span><\/p>\n<p>\u5bb9\u91cf\u89c4\u5212\u516c\u5f0f&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ \u5185\u5b58\u8ba1\u7b97\u516c\u5f0f<\/span><br \/>\ntotal_memory <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span>data_size <span class=\"token operator\">*<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span> <span class=\"token operator\">&#043;<\/span> replication_factor<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">*<\/span> <span class=\"token number\">1.5<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#043;<\/span> buffer_size<\/p>\n<p><span class=\"token comment\">\/\/ \u6570\u636e\u91cf\u589e\u957f\u9884\u6d4b<\/span><br \/>\ngrowth_rate <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">30<\/span><span class=\"token operator\">%<\/span> <span class=\"token comment\">\/\/ \u5e74\u589e\u957f\u7387<\/span><br \/>\ncapacity_plan <span class=\"token operator\">&#061;<\/span> current_size <span class=\"token operator\">*<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span> <span class=\"token operator\">&#043;<\/span> growth_rate<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">^<\/span> years<\/p>\n<p><span class=\"token comment\">\/\/ \u8fde\u63a5\u6570\u89c4\u5212<\/span><br \/>\nmax_clients <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span>max_connections_per_instance <span class=\"token operator\">*<\/span> node_count<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">*<\/span> <span class=\"token number\">0.8<\/span><\/p>\n<h3>6.3 \u6027\u80fd\u8c03\u4f18\u6e05\u5355<\/h3>\n<p>\u64cd\u4f5c\u7cfb\u7edf\u4f18\u5316&#xff1a;<br \/>\n  vm.overcommit_memory&#061;1<br \/>\n  net.core.somaxconn&#061;1024<br \/>\n  transparent_hugepage&#061;disabled<\/p>\n<p>Redis\u914d\u7f6e\u4f18\u5316&#xff1a;<br \/>\n  maxclients 20000<br \/>\n  timeout 0<br \/>\n  tcp<span class=\"token punctuation\">&#8211;<\/span>keepalive 300<br \/>\n  lazyfree<span class=\"token punctuation\">&#8211;<\/span>lazy<span class=\"token punctuation\">&#8211;<\/span>eviction yes<br \/>\n  lazyfree<span class=\"token punctuation\">&#8211;<\/span>lazy<span class=\"token punctuation\">&#8211;<\/span>expire yes<br \/>\n  lazyfree<span class=\"token punctuation\">&#8211;<\/span>lazy<span class=\"token punctuation\">&#8211;<\/span>server<span class=\"token punctuation\">&#8211;<\/span>del yes<\/p>\n<p>\u76d1\u63a7\u6307\u6807&#xff1a;<br \/>\n  <span class=\"token punctuation\">&#8211;<\/span> \u547d\u4e2d\u7387 <span class=\"token punctuation\">&gt;<\/span> 90%<br \/>\n  <span class=\"token punctuation\">&#8211;<\/span> \u5185\u5b58\u788e\u7247\u7387 &lt; 1.5<br \/>\n  <span class=\"token punctuation\">&#8211;<\/span> \u4e3b\u4ece\u5ef6\u8fdf &lt; 1s<br \/>\n  <span class=\"token punctuation\">&#8211;<\/span> \u62d2\u7edd\u8fde\u63a5\u6570 &#061; 0<br \/>\n  <span class=\"token punctuation\">&#8211;<\/span> OOM killer\u6b21\u6570 &#061; 0<\/p>\n<hr \/>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u76ee\u5f55\u524d\u8a00\u4e00\u3001Redis\u4e3b\u4ece\u590d\u5236\u67b6\u67841.1 \u67b6\u6784\u539f\u74061.2 \u6838\u5fc3\u673a\u5236\u8be6\u89e31.2.1 \u590d\u5236\u8fc7\u7a0b1.2.2 \u65ad\u7ebf\u7eed\u4f20\u673a\u52361.3 \u751f\u4ea7\u73af\u5883\u75db\u70b9\u75db\u70b91&#xff1a;\u4e3b\u4ece\u5ef6\u8fdf\u5bfc\u81f4\u7684\u6570\u636e\u4e0d\u4e00\u81f4\u75db\u70b92&#xff1a;\u590d\u5236\u7f13\u51b2\u533a\u6ea2\u51fa\u4e8c\u3001\u54e8\u5175\u6a21\u5f0f\u6df1\u5ea6\u5256\u67902.1 \u67b6\u6784\u6f14\u8fdb2.2 \u6838\u5fc3\u529f\u80fd\u5b9e\u73b02.2.1 \u76d1\u63a7\u673a\u52362.2.2 \u6545\u969c\u8f6c\u79fb\u6d41\u7a0b2.3 \u751f\u4ea7\u73af\u5883\u8111\u88c2\u5b9e\u6218\u6848\u4f8b\u4e09\u3001Redis Cluster\u96c6\u7fa4\u67b6\u67843.1 \u67b6\u6784\u8bbe\u8ba13.2 \u6838\u5fc3\u673a\u5236\u8be6\u89e33.2.1 \u69fd\u4f4d\u8ba1\u7b97\u539f\u74063.2.2 \u6279\u91cf\u64cd\u4f5c\u4f18\u5316\u5b9e\u6218\u573a\u666f1<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[105,100,188],"topic":[],"class_list":["post-79206","post","type-post","status-publish","format-standard","hentry","category-server","tag-redis","tag-100","tag-188"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Redis\u9ad8\u53ef\u7528\u67b6\u6784\u6df1\u5ea6\u89e3\u6790\uff1a\u4e3b\u4ece\u3001\u54e8\u5175\u3001\u96c6\u7fa4\u67b6\u6784\u9009\u578b\u4e0e\u5b9e\u8df5\u6307\u5357 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/79206.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Redis\u9ad8\u53ef\u7528\u67b6\u6784\u6df1\u5ea6\u89e3\u6790\uff1a\u4e3b\u4ece\u3001\u54e8\u5175\u3001\u96c6\u7fa4\u67b6\u6784\u9009\u578b\u4e0e\u5b9e\u8df5\u6307\u5357 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"\u6587\u7ae0\u76ee\u5f55\u524d\u8a00\u4e00\u3001Redis\u4e3b\u4ece\u590d\u5236\u67b6\u67841.1 \u67b6\u6784\u539f\u74061.2 \u6838\u5fc3\u673a\u5236\u8be6\u89e31.2.1 \u590d\u5236\u8fc7\u7a0b1.2.2 \u65ad\u7ebf\u7eed\u4f20\u673a\u52361.3 \u751f\u4ea7\u73af\u5883\u75db\u70b9\u75db\u70b91&#xff1a;\u4e3b\u4ece\u5ef6\u8fdf\u5bfc\u81f4\u7684\u6570\u636e\u4e0d\u4e00\u81f4\u75db\u70b92&#xff1a;\u590d\u5236\u7f13\u51b2\u533a\u6ea2\u51fa\u4e8c\u3001\u54e8\u5175\u6a21\u5f0f\u6df1\u5ea6\u5256\u67902.1 \u67b6\u6784\u6f14\u8fdb2.2 \u6838\u5fc3\u529f\u80fd\u5b9e\u73b02.2.1 \u76d1\u63a7\u673a\u52362.2.2 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