{"id":45580,"date":"2025-07-30T00:36:06","date_gmt":"2025-07-29T16:36:06","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/45580.html"},"modified":"2025-07-30T00:36:06","modified_gmt":"2025-07-29T16:36:06","slug":"3%e3%80%81redis%e6%8c%81%e4%b9%85%e5%8c%96%e3%80%81%e4%b8%bb%e4%bb%8e%e5%92%8c%e5%93%a8%e5%85%b5","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/45580.html","title":{"rendered":"3\u3001Redis\u6301\u4e45\u5316\u3001\u4e3b\u4ece\u548c\u54e8\u5175"},"content":{"rendered":"<h4>\u4e00\u3001Redis\u6301\u4e45\u5316\u673a\u5236<\/h4>\n<h5>1. RDB\u5feb\u7167&#xff08;Snapshot&#xff09;<\/h5>\n<ul>\n<li>\n<p>\u6838\u5fc3\u539f\u7406&#xff1a;<\/p>\n<ul>\n<li>\u5168\u91cf\u4e8c\u8fdb\u5236\u5907\u4efd&#xff0c;\u4fdd\u5b58\u4e3adump.rdb\u6587\u4ef6<\/li>\n<li>\u89e6\u53d1\u6761\u4ef6&#xff1a;save <span class=\"token number\">60<\/span> <span class=\"token number\">1000<\/span>  <span class=\"token comment\"># 60\u79d2\u5185\u81f3\u5c111000\u6b21\u4fee\u6539\u89e6\u53d1<\/span><br \/>\nsave <span class=\"token number\">300<\/span> <span class=\"token number\">10<\/span>   <span class=\"token comment\"># 300\u79d2\u5185\u81f3\u5c1110\u6b21\u4fee\u6539\u89e6\u53d1<\/span><\/p>\n<\/li>\n<li>\u624b\u52a8\u89e6\u53d1&#xff1a;\n<ul>\n<li>SAVE&#xff1a;\u540c\u6b65\u4fdd\u5b58&#xff0c;\u963b\u585e\u4e3b\u7ebf\u7a0b<\/li>\n<li>BGSAVE&#xff1a;\u5f02\u6b65\u4fdd\u5b58&#xff0c;fork\u5b50\u8fdb\u7a0b\u64cd\u4f5c&#xff08;\u63a8\u8350&#xff09;<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>COW\u673a\u5236&#xff08;Copy-On-Write&#xff09;&#xff1a;<\/p>\n<p>#mermaid-svg-ItTb0naRZqIneFy5 {font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;font-size:16px;fill:#333;}#mermaid-svg-ItTb0naRZqIneFy5 .error-icon{fill:#552222;}#mermaid-svg-ItTb0naRZqIneFy5 .error-text{fill:#552222;stroke:#552222;}#mermaid-svg-ItTb0naRZqIneFy5 .edge-thickness-normal{stroke-width:2px;}#mermaid-svg-ItTb0naRZqIneFy5 .edge-thickness-thick{stroke-width:3.5px;}#mermaid-svg-ItTb0naRZqIneFy5 .edge-pattern-solid{stroke-dasharray:0;}#mermaid-svg-ItTb0naRZqIneFy5 .edge-pattern-dashed{stroke-dasharray:3;}#mermaid-svg-ItTb0naRZqIneFy5 .edge-pattern-dotted{stroke-dasharray:2;}#mermaid-svg-ItTb0naRZqIneFy5 .marker{fill:#333333;stroke:#333333;}#mermaid-svg-ItTb0naRZqIneFy5 .marker.cross{stroke:#333333;}#mermaid-svg-ItTb0naRZqIneFy5 svg{font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;font-size:16px;}#mermaid-svg-ItTb0naRZqIneFy5 .label{font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;color:#333;}#mermaid-svg-ItTb0naRZqIneFy5 .cluster-label text{fill:#333;}#mermaid-svg-ItTb0naRZqIneFy5 .cluster-label span{color:#333;}#mermaid-svg-ItTb0naRZqIneFy5 .label text,#mermaid-svg-ItTb0naRZqIneFy5 span{fill:#333;color:#333;}#mermaid-svg-ItTb0naRZqIneFy5 .node rect,#mermaid-svg-ItTb0naRZqIneFy5 .node circle,#mermaid-svg-ItTb0naRZqIneFy5 .node ellipse,#mermaid-svg-ItTb0naRZqIneFy5 .node polygon,#mermaid-svg-ItTb0naRZqIneFy5 .node path{fill:#ECECFF;stroke:#9370DB;stroke-width:1px;}#mermaid-svg-ItTb0naRZqIneFy5 .node .label{text-align:center;}#mermaid-svg-ItTb0naRZqIneFy5 .node.clickable{cursor:pointer;}#mermaid-svg-ItTb0naRZqIneFy5 .arrowheadPath{fill:#333333;}#mermaid-svg-ItTb0naRZqIneFy5 .edgePath .path{stroke:#333333;stroke-width:2.0px;}#mermaid-svg-ItTb0naRZqIneFy5 .flowchart-link{stroke:#333333;fill:none;}#mermaid-svg-ItTb0naRZqIneFy5 .edgeLabel{background-color:#e8e8e8;text-align:center;}#mermaid-svg-ItTb0naRZqIneFy5 .edgeLabel rect{opacity:0.5;background-color:#e8e8e8;fill:#e8e8e8;}#mermaid-svg-ItTb0naRZqIneFy5 .cluster rect{fill:#ffffde;stroke:#aaaa33;stroke-width:1px;}#mermaid-svg-ItTb0naRZqIneFy5 .cluster text{fill:#333;}#mermaid-svg-ItTb0naRZqIneFy5 .cluster span{color:#333;}#mermaid-svg-ItTb0naRZqIneFy5 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-ItTb0naRZqIneFy5 :root{&#8211;mermaid-font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;}<span id=\"L-L-A-B\" class=\"edgeLabel L-LS-A&#039; L-LE-B\">fork<\/span><span id=\"L-L-B-C\" class=\"edgeLabel L-LS-B&#039; L-LE-C\"><\/span><span id=\"L-L-A-D\" class=\"edgeLabel L-LS-A&#039; L-LE-D\">\u4fee\u6539\u6570\u636e<\/span><span id=\"L-L-B-E\" class=\"edgeLabel L-LS-B&#039; L-LE-E\"><\/span>\u4e3b\u7ebf\u7a0b\u5b50\u8fdb\u7a0b\u8bfb\u53d6\u5185\u5b58\u6570\u636e\u590d\u5236\u6570\u636e\u526f\u672c\u5199\u5165RDB\u6587\u4ef6\n<\/li>\n<li>\n<p>RDB\u4f18\u7f3a\u70b9&#xff1a;<\/p>\n<table>\n<tr>\u4f18\u70b9\u7f3a\u70b9<\/tr>\n<tbody>\n<tr>\n<td>\u6587\u4ef6\u7d27\u51d1&#xff0c;\u6062\u590d\u901f\u5ea6\u5feb<\/td>\n<td>\u6570\u636e\u5b89\u5168\u6027\u4f4e&#xff08;\u53ef\u80fd\u4e22\u5931\u6700\u540e\u4e00\u6b21\u5feb\u7167\u540e\u7684\u6570\u636e&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>\u6700\u5927\u5316Redis\u6027\u80fd<\/td>\n<td>\u5927\u6570\u636e\u91cf\u65f6fork\u8017\u65f6\u53ef\u80fd\u963b\u585e\u670d\u52a1<\/td>\n<\/tr>\n<tr>\n<td>\u9002\u5408\u707e\u96be\u6062\u590d<\/td>\n<td>\u4e0d\u652f\u6301\u589e\u91cf\u5907\u4efd<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/li>\n<\/ul>\n<h5>2. AOF\u8ffd\u52a0\u6587\u4ef6&#xff08;Append Only File&#xff09;<\/h5>\n<ul>\n<li>\n<p>\u6838\u5fc3\u539f\u7406&#xff1a;<\/p>\n<ul>\n<li>\u8bb0\u5f55\u6240\u6709\u5199\u64cd\u4f5c\u547d\u4ee4&#xff08;RESP\u534f\u8bae\u683c\u5f0f&#xff09;<\/li>\n<li>\u5199\u5165\u7b56\u7565&#xff1a;appendfsync always   <span class=\"token comment\"># \u6bcf\u6b21\u5199\u90fd\u5237\u76d8&#xff08;\u5b89\u5168\u4f46\u6027\u80fd\u5dee&#xff09;<\/span><br \/>\nappendfsync everysec <span class=\"token comment\"># \u6bcf\u79d2\u5237\u76d8&#xff08;\u63a8\u8350&#xff09;<\/span><br \/>\nappendfsync no       <span class=\"token comment\"># \u4f9d\u8d56\u64cd\u4f5c\u7cfb\u7edf\u5237\u76d8&#xff08;\u6700\u5feb\u4f46\u53ef\u80fd\u4e22\u5931\u6570\u636e&#xff09;<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>AOF\u91cd\u5199&#xff08;Rewrite&#xff09;&#xff1a;<\/p>\n<ul>\n<li>\u89e6\u53d1\u6761\u4ef6&#xff1a;auto-aof-rewrite-percentage <span class=\"token number\">100<\/span>  <span class=\"token comment\"># \u6587\u4ef6\u589e\u957f100%\u89e6\u53d1<\/span><br \/>\nauto-aof-rewrite-min-size 64mb   <span class=\"token comment\"># \u6700\u5c0f\u91cd\u5199\u6587\u4ef6\u5927\u5c0f<\/span><\/p>\n<\/li>\n<li>\u91cd\u5199\u8fc7\u7a0b&#xff1a;\n<li>fork\u5b50\u8fdb\u7a0b\u626b\u63cf\u5185\u5b58\u6570\u636e<\/li>\n<li>\u751f\u6210\u65b0AOF\u6587\u4ef6&#xff08;\u5305\u542b\u6700\u5c0f\u547d\u4ee4\u96c6&#xff09;<\/li>\n<li>\u66ff\u6362\u65e7\u6587\u4ef6&#xff08;\u539f\u5b50\u64cd\u4f5c&#xff09;<\/li>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>AOF\u4f18\u7f3a\u70b9&#xff1a;<\/p>\n<table>\n<tr>\u4f18\u70b9\u7f3a\u70b9<\/tr>\n<tbody>\n<tr>\n<td>\u6570\u636e\u5b89\u5168\u6027\u9ad8&#xff08;\u6700\u591a\u4e22\u59311\u79d2\u6570\u636e&#xff09;<\/td>\n<td>\u6587\u4ef6\u4f53\u79ef\u5927<\/td>\n<\/tr>\n<tr>\n<td>\u652f\u6301\u65ad\u70b9\u7eed\u4f20<\/td>\n<td>\u6062\u590d\u901f\u5ea6\u6bd4RDB\u6162<\/td>\n<\/tr>\n<tr>\n<td>\u53ef\u8bfb\u6027\u5f3a&#xff08;RESP\u6587\u672c\u683c\u5f0f&#xff09;<\/td>\n<td>\u5199\u5165\u6027\u80fd\u7565\u4f4e\u4e8eRDB<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/li>\n<\/ul>\n<h5>3. \u6df7\u5408\u6301\u4e45\u5316&#xff08;Redis 4.0&#043;&#xff09;<\/h5>\n<ul>\n<li>\u914d\u7f6e\u542f\u7528&#xff1a;aof-use-rdb-preamble <span class=\"token function\">yes<\/span>\n<\/li>\n<li>\u6587\u4ef6\u7ed3\u6784&#xff1a;[RDB\u5934\u90e8] &#043; [\u589e\u91cfAOF\u547d\u4ee4]\n<\/li>\n<li>\u4f18\u52bf&#xff1a;\n<ul>\n<li>\u5feb\u901f\u52a0\u8f7dRDB\u90e8\u5206<\/li>\n<li>\u5b8c\u6574\u6570\u636e\u4fdd\u969c&#xff08;AOF\u589e\u91cf&#xff09;<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<hr \/>\n<h4>\u4e8c\u3001\u4e3b\u4ece\u590d\u5236\u67b6\u6784<\/h4>\n<h5>1. \u642d\u5efa\u6b65\u9aa4<\/h5>\n<p><span class=\"token comment\"># \u4ece\u8282\u70b9\u914d\u7f6e<\/span><br \/>\nreplicaof <span class=\"token number\">192.168<\/span>.0.55 <span class=\"token number\">6379<\/span>   <span class=\"token comment\"># Redis 5.0&#043;<\/span><br \/>\nslave-read-only <span class=\"token function\">yes<\/span>           <span class=\"token comment\"># \u4ece\u8282\u70b9\u53ea\u8bfb<\/span><\/p>\n<h5>2. \u5de5\u4f5c\u539f\u7406<\/h5>\n<ul>\n<li>\u5168\u91cf\u590d\u5236&#xff1a;#mermaid-svg-l90uJvzyw2UzKxet {font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;font-size:16px;fill:#333;}#mermaid-svg-l90uJvzyw2UzKxet .error-icon{fill:#552222;}#mermaid-svg-l90uJvzyw2UzKxet .error-text{fill:#552222;stroke:#552222;}#mermaid-svg-l90uJvzyw2UzKxet .edge-thickness-normal{stroke-width:2px;}#mermaid-svg-l90uJvzyw2UzKxet .edge-thickness-thick{stroke-width:3.5px;}#mermaid-svg-l90uJvzyw2UzKxet .edge-pattern-solid{stroke-dasharray:0;}#mermaid-svg-l90uJvzyw2UzKxet .edge-pattern-dashed{stroke-dasharray:3;}#mermaid-svg-l90uJvzyw2UzKxet .edge-pattern-dotted{stroke-dasharray:2;}#mermaid-svg-l90uJvzyw2UzKxet .marker{fill:#333333;stroke:#333333;}#mermaid-svg-l90uJvzyw2UzKxet .marker.cross{stroke:#333333;}#mermaid-svg-l90uJvzyw2UzKxet svg{font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;font-size:16px;}#mermaid-svg-l90uJvzyw2UzKxet .actor{stroke:hsl(259.6261682243, 59.7765363128%, 87.9019607843%);fill:#ECECFF;}#mermaid-svg-l90uJvzyw2UzKxet text.actor&gt;tspan{fill:black;stroke:none;}#mermaid-svg-l90uJvzyw2UzKxet .actor-line{stroke:grey;}#mermaid-svg-l90uJvzyw2UzKxet .messageLine0{stroke-width:1.5;stroke-dasharray:none;stroke:#333;}#mermaid-svg-l90uJvzyw2UzKxet .messageLine1{stroke-width:1.5;stroke-dasharray:2,2;stroke:#333;}#mermaid-svg-l90uJvzyw2UzKxet #arrowhead path{fill:#333;stroke:#333;}#mermaid-svg-l90uJvzyw2UzKxet .sequenceNumber{fill:white;}#mermaid-svg-l90uJvzyw2UzKxet #sequencenumber{fill:#333;}#mermaid-svg-l90uJvzyw2UzKxet #crosshead path{fill:#333;stroke:#333;}#mermaid-svg-l90uJvzyw2UzKxet .messageText{fill:#333;stroke:#333;}#mermaid-svg-l90uJvzyw2UzKxet .labelBox{stroke:hsl(259.6261682243, 59.7765363128%, 87.9019607843%);fill:#ECECFF;}#mermaid-svg-l90uJvzyw2UzKxet .labelText,#mermaid-svg-l90uJvzyw2UzKxet .labelText&gt;tspan{fill:black;stroke:none;}#mermaid-svg-l90uJvzyw2UzKxet .loopText,#mermaid-svg-l90uJvzyw2UzKxet .loopText&gt;tspan{fill:black;stroke:none;}#mermaid-svg-l90uJvzyw2UzKxet .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-l90uJvzyw2UzKxet .note{stroke:#aaaa33;fill:#fff5ad;}#mermaid-svg-l90uJvzyw2UzKxet .noteText,#mermaid-svg-l90uJvzyw2UzKxet .noteText&gt;tspan{fill:black;stroke:none;}#mermaid-svg-l90uJvzyw2UzKxet .activation0{fill:#f4f4f4;stroke:#666;}#mermaid-svg-l90uJvzyw2UzKxet .activation1{fill:#f4f4f4;stroke:#666;}#mermaid-svg-l90uJvzyw2UzKxet .activation2{fill:#f4f4f4;stroke:#666;}#mermaid-svg-l90uJvzyw2UzKxet .actorPopupMenu{position:absolute;}#mermaid-svg-l90uJvzyw2UzKxet .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-l90uJvzyw2UzKxet .actor-man line{stroke:hsl(259.6261682243, 59.7765363128%, 87.9019607843%);fill:#ECECFF;}#mermaid-svg-l90uJvzyw2UzKxet .actor-man circle,#mermaid-svg-l90uJvzyw2UzKxet line{stroke:hsl(259.6261682243, 59.7765363128%, 87.9019607843%);fill:#ECECFF;stroke-width:2px;}#mermaid-svg-l90uJvzyw2UzKxet :root{&#8211;mermaid-font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;}SlaveMaster1. \u53d1\u9001PSYNC\u547d\u4ee4&#xff0c;\u8bf7\u6c42\u540c\u6b65\u6570\u636e&#xff0c;\u5728\u8fd9\u4e4b\u524d\u4f1a\u8ddfmaster\u5efa\u7acb\u957f\u8fde\u63a52. \u6536\u5230PSYNC&#xff0c;\u8fdb\u884c\u6570\u636e\u6301\u4e45\u5316&#xff0c;\u901a\u8fc7bgsave\u751f\u6210\u6700\u65b0\u7684rdb\u6587\u4ef63. \u53d1\u9001RDB\u6587\u4ef64. \u6e05\u7a7a\u65e7\u6570\u636e5. \u52a0\u8f7dRDB6. \u751f\u6210rdb\u4e4b\u540e\u7684\u5199\u547d\u4ee4&#xff0c;\u88abmaster\u7f13\u5b58\u5728\u5185\u5b58\u4e2d7. \u53d1\u9001\u7f13\u5b58\u547d\u4ee48 \u52a0\u8f7d\u7f13\u5b58\u547d\u4ee4SlaveMaster\n<\/li>\n<li>\u90e8\u5206\u590d\u5236&#xff08;PSYNC&#xff09;&#xff1a;\n<ul>\n<li>\u57fa\u4e8eoffset\u548crepl_backlog_buffer\u5b9e\u73b0\u65ad\u70b9\u7eed\u4f20<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h5>3. \u590d\u5236\u98ce\u66b4\u4f18\u5316<\/h5>\n<p>#mermaid-svg-5EBcmFCHPFtdtjLt {font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;font-size:16px;fill:#333;}#mermaid-svg-5EBcmFCHPFtdtjLt .error-icon{fill:#552222;}#mermaid-svg-5EBcmFCHPFtdtjLt .error-text{fill:#552222;stroke:#552222;}#mermaid-svg-5EBcmFCHPFtdtjLt .edge-thickness-normal{stroke-width:2px;}#mermaid-svg-5EBcmFCHPFtdtjLt .edge-thickness-thick{stroke-width:3.5px;}#mermaid-svg-5EBcmFCHPFtdtjLt .edge-pattern-solid{stroke-dasharray:0;}#mermaid-svg-5EBcmFCHPFtdtjLt .edge-pattern-dashed{stroke-dasharray:3;}#mermaid-svg-5EBcmFCHPFtdtjLt .edge-pattern-dotted{stroke-dasharray:2;}#mermaid-svg-5EBcmFCHPFtdtjLt .marker{fill:#333333;stroke:#333333;}#mermaid-svg-5EBcmFCHPFtdtjLt .marker.cross{stroke:#333333;}#mermaid-svg-5EBcmFCHPFtdtjLt svg{font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;font-size:16px;}#mermaid-svg-5EBcmFCHPFtdtjLt .label{font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;color:#333;}#mermaid-svg-5EBcmFCHPFtdtjLt .cluster-label text{fill:#333;}#mermaid-svg-5EBcmFCHPFtdtjLt .cluster-label span{color:#333;}#mermaid-svg-5EBcmFCHPFtdtjLt .label text,#mermaid-svg-5EBcmFCHPFtdtjLt span{fill:#333;color:#333;}#mermaid-svg-5EBcmFCHPFtdtjLt .node rect,#mermaid-svg-5EBcmFCHPFtdtjLt .node circle,#mermaid-svg-5EBcmFCHPFtdtjLt .node ellipse,#mermaid-svg-5EBcmFCHPFtdtjLt .node polygon,#mermaid-svg-5EBcmFCHPFtdtjLt .node path{fill:#ECECFF;stroke:#9370DB;stroke-width:1px;}#mermaid-svg-5EBcmFCHPFtdtjLt .node .label{text-align:center;}#mermaid-svg-5EBcmFCHPFtdtjLt .node.clickable{cursor:pointer;}#mermaid-svg-5EBcmFCHPFtdtjLt .arrowheadPath{fill:#333333;}#mermaid-svg-5EBcmFCHPFtdtjLt .edgePath .path{stroke:#333333;stroke-width:2.0px;}#mermaid-svg-5EBcmFCHPFtdtjLt .flowchart-link{stroke:#333333;fill:none;}#mermaid-svg-5EBcmFCHPFtdtjLt .edgeLabel{background-color:#e8e8e8;text-align:center;}#mermaid-svg-5EBcmFCHPFtdtjLt .edgeLabel rect{opacity:0.5;background-color:#e8e8e8;fill:#e8e8e8;}#mermaid-svg-5EBcmFCHPFtdtjLt .cluster rect{fill:#ffffde;stroke:#aaaa33;stroke-width:1px;}#mermaid-svg-5EBcmFCHPFtdtjLt .cluster text{fill:#333;}#mermaid-svg-5EBcmFCHPFtdtjLt .cluster span{color:#333;}#mermaid-svg-5EBcmFCHPFtdtjLt 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-5EBcmFCHPFtdtjLt :root{&#8211;mermaid-font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;}<span id=\"L-L-M-S1\" class=\"edgeLabel L-LS-M&#039; L-LE-S1\"><\/span><span id=\"L-L-M-S2\" class=\"edgeLabel L-LS-M&#039; L-LE-S2\"><\/span><span id=\"L-L-S1-S3\" class=\"edgeLabel L-LS-S1&#039; L-LE-S3\"><\/span><span id=\"L-L-S2-S4\" class=\"edgeLabel L-LS-S2&#039; L-LE-S4\"><\/span>MasterSlave1Slave2Slave3Slave4<\/p>\n<hr \/>\n<h4>\u4e09\u3001\u54e8\u5175\u9ad8\u53ef\u7528\u67b6\u6784<\/h4>\n<h5>1. \u54e8\u5175\u914d\u7f6e<\/h5>\n<p>sentinel monitor mymaster <span class=\"token number\">192.168<\/span>.0.55 <span class=\"token number\">6379<\/span> <span class=\"token number\">2<\/span><br \/>\nsentinel down-after-milliseconds mymaster <span class=\"token number\">5000<\/span><br \/>\nsentinel failover-timeout mymaster <span class=\"token number\">60000<\/span><\/p>\n<h5>2. \u6545\u969c\u8f6c\u79fb\u6d41\u7a0b<\/h5>\n<li>\u4e3b\u89c2\u4e0b\u7ebf&#xff08;SDOWN&#xff09;<\/li>\n<li>\u5ba2\u89c2\u4e0b\u7ebf&#xff08;ODOWN&#xff09;<\/li>\n<li>\u9009\u4e3eLeader\u54e8\u5175<\/li>\n<li>\u6267\u884c\u6545\u969c\u8f6c\u79fb<\/li>\n<h5>3. Java\u5ba2\u6237\u7aef\u96c6\u6210<\/h5>\n<p><span class=\"token comment\">\/\/ Jedis\u54e8\u5175\u8fde\u63a5\u6c60<\/span><br \/>\n<span class=\"token class-name\">Set<\/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> sentinels <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">HashSet<\/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 \/>\nsentinels<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;192.168.0.55:26379&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token class-name\">JedisSentinelPool<\/span> pool <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">JedisSentinelPool<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;mymaster&#034;<\/span><span class=\"token punctuation\">,<\/span> sentinels<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<hr \/>\n<h4>\u56db\u3001Spring Boot\u96c6\u6210\u793a\u4f8b<\/h4>\n<h5>1. \u914d\u7f6e\u6a21\u677f<\/h5>\n<p><span class=\"token key atrule\">spring<\/span><span class=\"token punctuation\">:<\/span><br \/>\n  <span class=\"token key atrule\">redis<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token key atrule\">sentinel<\/span><span class=\"token punctuation\">:<\/span><br \/>\n      <span class=\"token key atrule\">master<\/span><span class=\"token punctuation\">:<\/span> mymaster<br \/>\n      <span class=\"token key atrule\">nodes<\/span><span class=\"token punctuation\">:<\/span> 192.168.0.55<span class=\"token punctuation\">:<\/span><span class=\"token number\">26379<\/span><span class=\"token punctuation\">,<\/span>192.168.0.55<span class=\"token punctuation\">:<\/span><span class=\"token number\">26380<\/span><br \/>\n    <span class=\"token key atrule\">lettuce<\/span><span class=\"token punctuation\">:<\/span><br \/>\n      <span class=\"token key atrule\">pool<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token key atrule\">max-active<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token number\">20<\/span><br \/>\n        <span class=\"token key atrule\">max-wait<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token number\">1000<\/span><\/p>\n<h5>2. \u64cd\u4f5c\u6a21\u677f<\/h5>\n<p><span class=\"token annotation punctuation\">&#064;RestController<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">TestController<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Autowired<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">StringRedisTemplate<\/span> redisTemplate<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;GetMapping<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/set&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">String<\/span> <span class=\"token function\">setKey<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span> key<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">String<\/span> value<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>key<span class=\"token punctuation\">,<\/span> value<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#034;OK&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<hr \/>\n<h4>\u4e94\u3001\u6570\u636e\u5907\u4efd\u7b56\u7565<\/h4>\n<li>\n<p>\u5b9a\u65f6\u5907\u4efd\u811a\u672c&#xff1a;<\/p>\n<p><span class=\"token shebang important\">#!\/bin\/bash<\/span><br \/>\n<span class=\"token function\">cp<\/span> \/var\/lib\/redis\/dump.rdb \/backup\/redis\/<span class=\"token variable\"><span class=\"token variable\">$(<\/span><span class=\"token function\">date<\/span> &#043;%Y%m%d%H<span class=\"token variable\">)<\/span><\/span>.rdb<br \/>\n<span class=\"token function\">find<\/span> \/backup\/redis -mtime &#043;2 -delete<\/p>\n<\/li>\n<li>\n<p>\u8de8\u673a\u623f\u5907\u4efd&#xff1a;<\/p>\n<p><span class=\"token function\">rsync<\/span> -avz \/backup\/redis\/ user&#064;backup-server:\/redis_backup\/<\/p>\n<\/li>\n<hr \/>\n<h4>\u516d\u3001\u6027\u80fd\u4f18\u5316\u5173\u952e\u53c2\u6570<\/h4>\n<table>\n<tr>\u53c2\u6570\u5efa\u8bae\u503c\u8bf4\u660e<\/tr>\n<tbody>\n<tr>\n<td>maxmemory<\/td>\n<td>\u7269\u7406\u5185\u5b58\u768470%<\/td>\n<td>\u9632\u6b62OOM<\/td>\n<\/tr>\n<tr>\n<td>maxmemory-policy<\/td>\n<td>volatile-lru<\/td>\n<td>\u6dd8\u6c70\u7b56\u7565<\/td>\n<\/tr>\n<tr>\n<td>tcp-backlog<\/td>\n<td>511<\/td>\n<td>\u9ad8\u5e76\u53d1\u8fde\u63a5\u961f\u5217<\/td>\n<\/tr>\n<tr>\n<td>repl-backlog-size<\/td>\n<td>128MB<\/td>\n<td>\u4e3b\u4ece\u590d\u5236\u7f13\u51b2\u533a<\/td>\n<\/tr>\n<tr>\n<td>client-output-buffer-limit<\/td>\n<td>256MB 64MB 60<\/td>\n<td>\u5ba2\u6237\u7aef\u8f93\u51fa\u7f13\u51b2\u533a\u9650\u5236<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h4>\u4e03\u3001\u5e38\u89c1\u95ee\u9898\u89e3\u51b3\u65b9\u6848<\/h4>\n<h5>Q1: 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