{"id":45470,"date":"2025-07-30T00:04:03","date_gmt":"2025-07-29T16:04:03","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/45470.html"},"modified":"2025-07-30T00:04:03","modified_gmt":"2025-07-29T16:04:03","slug":"%e5%8d%95%e5%8f%b0%e6%9c%8d%e5%8a%a1%e5%99%a8%e8%a2%ab%e5%8e%8b%e5%9e%ae%ef%bc%9f%e8%b4%9f%e8%bd%bd%e5%9d%87%e8%a1%a1%e8%ae%a9%e6%b5%81%e9%87%8f%e6%9a%b4%e9%9b%a8%e7%a7%92%e5%8f%98%e6%af%9b","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/45470.html","title":{"rendered":"\u201c\u5355\u53f0\u670d\u52a1\u5668\u88ab\u538b\u57ae\uff1f\u8d1f\u8f7d\u5747\u8861\u8ba9\u6d41\u91cf\u66b4\u96e8\u79d2\u53d8\u6bdb\u6bdb\u7ec6\u96e8\uff01\u201d"},"content":{"rendered":"<p>\u201c\u9762\u8bd5\u5b98\u95ee\u6211\u5982\u4f55\u6297\u4f4f10\u4e07\u5e76\u53d1&#xff0c;\u6211\u7b54\u5b8c\u8d1f\u8f7d\u5747\u8861\u7b56\u7565&#xff0c;\u4ed6\u5f53\u573a\u52a0\u85aa30%&#xff01;\u201d<br \/>\n\u201c\u4ece\u96f6\u642d\u5efa\u9ad8\u53ef\u7528\u7cfb\u7edf&#xff0c;\u8d1f\u8f7d\u5747\u8861&#043;\u5065\u5eb7\u68c0\u67e5\u8ba9\u6545\u969c\u7387\u72c2\u964d90%&#xff01;\u201d<br \/>\n\u2014\u2014\u5982\u679c\u4f60\u4e5f\u60f3\u6210\u4e3a\u7cfb\u7edf\u9ad8\u53ef\u7528\u7684\u5b88\u62a4\u795e&#xff0c;\u8fd9\u7bc7\u8d1f\u8f7d\u5747\u8861\u7ec8\u6781\u6307\u5357\u5c31\u662f\u4f60\u7684\u6838\u6b66\u5668&#xff01;&#x1f4a3;<\/p>\n<p>\u5927\u5bb6\u597d&#xff0c;\u6211\u662f\u52c7\u6562\u725b\u725b\u5b66\u957f\u3002 \u8fd8\u8bb0\u5f97\u7b2c\u4e00\u6b21\u8fd0\u8425\u6d3b\u52a8\u65f6&#xff0c;\u56e0\u6240\u6709\u6d41\u91cf\u6d8c\u5411\u5355\u53f0\u670d\u52a1\u5668&#xff0c;\u6570\u636e\u5e93\u8fde\u63a5\u6c60\u88ab\u6253\u7206&#xff0c;\u9875\u9762\u5d29\u6e83\u6574\u65742\u5c0f\u65f6&#xff01;\u76f4\u5230\u5f15\u5165\u8d1f\u8f7d\u5747\u8861\u2014\u2014\u5b83\u50cf\u4ea4\u901a\u6307\u6325\u5458\u4e00\u6837\u5c06\u6d41\u91cf\u6709\u5e8f\u5206\u6d41&#xff01; \u4eca\u5929\u5c31\u7528\u5de5\u4e1a\u7ea7\u5b9e\u6218\u5e26\u4f60\u5f7b\u5e95\u5f81\u670d\u9ad8\u5e76\u53d1\u7b2c\u4e00\u9053\u9632\u7ebf&#xff01;<\/p>\n<hr \/>\n<h3>\u4e00\u3001\u4e3a\u4ec0\u4e48\u8d1f\u8f7d\u5747\u8861\u662f\u9762\u8bd5\u5fc5\u8003\u9898&#xff1f;\u8840\u6848\u73b0\u573a&#xff01;<\/h3>\n<p><span class=\"token comment\"># \u538b\u6d4b\u5355\u53f0Tomcat\u7ed3\u679c&#xff08;\u914d\u7f6e&#xff1a;4\u68388G&#xff09;<\/span><br \/>\n$ ab -n <span class=\"token number\">10000<\/span> -c <span class=\"token number\">500<\/span> http:\/\/your-server\/<br \/>\nServer Software:        Apache-Coyote\/1.1<br \/>\nRequests per second:    <span class=\"token number\">68.21<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token comment\">#\/sec]  # \u4ec568QPS&#xff01;<\/span><br \/>\n<span class=\"token number\">90<\/span>% of requests <span class=\"token operator\">&gt;<\/span> 5000ms  <span class=\"token comment\"># \u7528\u6237\u7b49\u5f85\u8d85\u65f6<\/span><\/p>\n<p>\u707e\u96be\u540e\u679c&#xff1a;<\/p>\n<ul>\n<li>\u6d3b\u52a8\u9875\u9762\u5d29\u6e83&#xff0c;\u7528\u6237\u6d41\u5931\u7387\u98d9\u5347<\/li>\n<li>\u670d\u52a1\u5668CPU100%&#xff0c;\u544a\u8b66\u77ed\u4fe1\u8f70\u70b8<\/li>\n<li>\u8fd0\u7ef4\u901a\u5bb5\u6269\u5bb9\u4ecd\u65e0\u89e3<\/li>\n<\/ul>\n<hr \/>\n<h3>\u4e8c\u3001\u8d1f\u8f7d\u5747\u8861\u672c\u8d28&#xff1a;\u6d41\u91cf\u8c03\u5ea6\u827a\u672f<\/h3>\n<h4>\u6838\u5fc3\u67b6\u6784\u56fe<\/h4>\n<p>#mermaid-svg-OcNsmALLHjjLrnWm {font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;font-size:16px;fill:#333;}#mermaid-svg-OcNsmALLHjjLrnWm .error-icon{fill:#552222;}#mermaid-svg-OcNsmALLHjjLrnWm .error-text{fill:#552222;stroke:#552222;}#mermaid-svg-OcNsmALLHjjLrnWm .edge-thickness-normal{stroke-width:2px;}#mermaid-svg-OcNsmALLHjjLrnWm .edge-thickness-thick{stroke-width:3.5px;}#mermaid-svg-OcNsmALLHjjLrnWm .edge-pattern-solid{stroke-dasharray:0;}#mermaid-svg-OcNsmALLHjjLrnWm .edge-pattern-dashed{stroke-dasharray:3;}#mermaid-svg-OcNsmALLHjjLrnWm .edge-pattern-dotted{stroke-dasharray:2;}#mermaid-svg-OcNsmALLHjjLrnWm .marker{fill:#333333;stroke:#333333;}#mermaid-svg-OcNsmALLHjjLrnWm .marker.cross{stroke:#333333;}#mermaid-svg-OcNsmALLHjjLrnWm svg{font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;font-size:16px;}#mermaid-svg-OcNsmALLHjjLrnWm .label{font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;color:#333;}#mermaid-svg-OcNsmALLHjjLrnWm .cluster-label text{fill:#333;}#mermaid-svg-OcNsmALLHjjLrnWm .cluster-label span{color:#333;}#mermaid-svg-OcNsmALLHjjLrnWm .label text,#mermaid-svg-OcNsmALLHjjLrnWm span{fill:#333;color:#333;}#mermaid-svg-OcNsmALLHjjLrnWm .node rect,#mermaid-svg-OcNsmALLHjjLrnWm .node circle,#mermaid-svg-OcNsmALLHjjLrnWm .node ellipse,#mermaid-svg-OcNsmALLHjjLrnWm .node polygon,#mermaid-svg-OcNsmALLHjjLrnWm .node path{fill:#ECECFF;stroke:#9370DB;stroke-width:1px;}#mermaid-svg-OcNsmALLHjjLrnWm .node .label{text-align:center;}#mermaid-svg-OcNsmALLHjjLrnWm .node.clickable{cursor:pointer;}#mermaid-svg-OcNsmALLHjjLrnWm .arrowheadPath{fill:#333333;}#mermaid-svg-OcNsmALLHjjLrnWm .edgePath .path{stroke:#333333;stroke-width:2.0px;}#mermaid-svg-OcNsmALLHjjLrnWm .flowchart-link{stroke:#333333;fill:none;}#mermaid-svg-OcNsmALLHjjLrnWm .edgeLabel{background-color:#e8e8e8;text-align:center;}#mermaid-svg-OcNsmALLHjjLrnWm .edgeLabel rect{opacity:0.5;background-color:#e8e8e8;fill:#e8e8e8;}#mermaid-svg-OcNsmALLHjjLrnWm .cluster rect{fill:#ffffde;stroke:#aaaa33;stroke-width:1px;}#mermaid-svg-OcNsmALLHjjLrnWm .cluster text{fill:#333;}#mermaid-svg-OcNsmALLHjjLrnWm .cluster span{color:#333;}#mermaid-svg-OcNsmALLHjjLrnWm 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-OcNsmALLHjjLrnWm :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\"><\/span><span id=\"L-L-B-C\" class=\"edgeLabel L-LS-B&#039; L-LE-C\"><\/span><span id=\"L-L-B-D\" class=\"edgeLabel L-LS-B&#039; L-LE-D\"><\/span><span id=\"L-L-B-E\" class=\"edgeLabel L-LS-B&#039; L-LE-E\"><\/span><span id=\"L-L-C-F\" class=\"edgeLabel L-LS-C&#039; L-LE-F\"><\/span><span id=\"L-L-D-F\" class=\"edgeLabel L-LS-D&#039; L-LE-F\"><\/span><span id=\"L-L-E-F\" class=\"edgeLabel L-LS-E&#039; L-LE-F\"><\/span>\u7528\u6237\u8d1f\u8f7d\u5747\u8861\u5668\u670d\u52a1\u56681\u670d\u52a1\u56682\u670d\u52a1\u56683\u6570\u636e\u5e93\u96c6\u7fa4<\/p>\n<h4>\u4e09\u5927\u6838\u5fc3\u4ef7\u503c<\/h4>\n<li>\u6d41\u91cf\u5206\u53d1&#xff1a;\u5c06\u8bf7\u6c42\u5747\u5300\u5206\u914d\u5230\u540e\u7aef\u670d\u52a1\u5668<\/li>\n<li>\u6545\u969c\u9694\u79bb&#xff1a;\u81ea\u52a8\u5c4f\u853d\u5b95\u673a\u8282\u70b9<\/li>\n<li>\u5f39\u6027\u4f38\u7f29&#xff1a;\u65e0\u7f1d\u5e94\u5bf9\u6d41\u91cf\u9ad8\u5cf0<\/li>\n<h4>\u56db\u5c42 vs \u4e03\u5c42\u8d1f\u8f7d\u5747\u8861<\/h4>\n<table>\n<tr>\u7ef4\u5ea6\u56db\u5c42\u8d1f\u8f7d\u5747\u8861&#xff08;L4&#xff09;\u4e03\u5c42\u8d1f\u8f7d\u5747\u8861&#xff08;L7&#xff09;<\/tr>\n<tbody>\n<tr>\n<td>\u5de5\u4f5c\u5c42\u7ea7<\/td>\n<td>TCP\/UDP\u4f20\u8f93\u5c42<\/td>\n<td>HTTP\/HTTPS\u5e94\u7528\u5c42<\/td>\n<\/tr>\n<tr>\n<td>\u8bc6\u522b\u5185\u5bb9<\/td>\n<td>IP&#043;\u7aef\u53e3<\/td>\n<td>URL\/Cookie\/Header<\/td>\n<\/tr>\n<tr>\n<td>\u6027\u80fd<\/td>\n<td>\u9ad8&#xff08;\u5185\u6838\u8f6c\u53d1&#xff09;<\/td>\n<td>\u4e2d&#xff08;\u9700\u89e3\u6790\u5e94\u7528\u5c42\u534f\u8bae&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>\u5178\u578b\u573a\u666f<\/td>\n<td>\u6570\u636e\u5e93\/\u6e38\u620f\u670d\u52a1\u5668<\/td>\n<td>Web\u5e94\u7528\/API\u7f51\u5173<\/td>\n<\/tr>\n<tr>\n<td>\u4ee3\u8868\u5de5\u5177<\/td>\n<td>LVS, F5<\/td>\n<td>Nginx, HAProxy<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h3>\u4e09\u30016\u5927\u8d1f\u8f7d\u5747\u8861\u7b97\u6cd5\u8be6\u89e3&#xff08;\u9644\u573a\u666f&#043;\u914d\u7f6e&#xff09;<\/h3>\n<h4>1. \u8f6e\u8be2&#xff08;Round Robin&#xff09; &#8211; \u9ed8\u8ba4\u516c\u5e73\u6d3e\u53d1<\/h4>\n<p>\u573a\u666f&#xff1a;\u670d\u52a1\u5668\u914d\u7f6e\u76f8\u540c\u4e14\u65e0\u72b6\u6001\u670d\u52a1<br \/>\nNginx\u914d\u7f6e&#xff1a;<\/p>\n<p>upstream backend {<br \/>\n    server 192.168.1.101; # \u670d\u52a1\u56681<br \/>\n    server 192.168.1.102; # \u670d\u52a1\u56682<br \/>\n}<\/p>\n<h4>2. \u52a0\u6743\u8f6e\u8be2&#xff08;Weighted Round Robin&#xff09; &#8211; \u7167\u987e\u5f31\u8005<\/h4>\n<p>\u573a\u666f&#xff1a;\u65b0\u65e7\u670d\u52a1\u5668\u6df7\u7528&#xff0c;\u9ad8\u6027\u80fd\u673a\u5668\u627f\u62c5\u66f4\u591a\u6d41\u91cf<br \/>\n\u914d\u7f6e&#xff1a;<\/p>\n<p>upstream backend {<br \/>\n    server 192.168.1.101 weight&#061;3; # \u9ad8\u6027\u80fd\u670d\u52a1\u5668<br \/>\n    server 192.168.1.102 weight&#061;1; # \u65e7\u673a\u5668<br \/>\n}<\/p>\n<h4>3. \u6700\u5c11\u8fde\u63a5&#xff08;Least Connections&#xff09; &#8211; \u667a\u80fd\u907f\u5835<\/h4>\n<p>\u573a\u666f&#xff1a;\u957f\u8fde\u63a5\u670d\u52a1&#xff08;\u5982WebSocket\u3001\u6570\u636e\u5e93\u8fde\u63a5\u6c60&#xff09;<br \/>\n\u914d\u7f6e&#xff1a;<\/p>\n<p>upstream backend {<br \/>\n    least_conn;<br \/>\n    server 192.168.1.101;<br \/>\n    server 192.168.1.102;<br \/>\n}<\/p>\n<h4>4. IP\u54c8\u5e0c&#xff08;IP Hash&#xff09; &#8211; \u4f1a\u8bdd\u4fdd\u6301<\/h4>\n<p>\u573a\u666f&#xff1a;\u9700\u8981\u7528\u6237\u4f1a\u8bdd\u4e00\u81f4\u6027\u7684\u670d\u52a1&#xff08;\u5982\u8d2d\u7269\u8f66&#xff09;<br \/>\n\u914d\u7f6e&#xff1a;<\/p>\n<p>upstream backend {<br \/>\n    ip_hash;<br \/>\n    server 192.168.1.101;<br \/>\n    server 192.168.1.102;<br \/>\n}<\/p>\n<h4>5. \u54cd\u5e94\u65f6\u95f4\u4f18\u5148&#xff08;Least Time&#xff09; &#8211; \u52a8\u6001\u8c03\u4f18<\/h4>\n<p>\u573a\u666f&#xff1a;\u5bf9\u5ef6\u8fdf\u654f\u611f\u7684\u670d\u52a1&#xff08;\u652f\u4ed8\u63a5\u53e3&#xff09;<br \/>\n\u914d\u7f6e&#xff08;\u9700Nginx Plus&#xff09;&#xff1a;<\/p>\n<p>upstream backend {<br \/>\n    least_time header; # \u6839\u636e\u54cd\u5e94\u5934\u65f6\u95f4\u9009\u62e9<br \/>\n    server 192.168.1.101;<br \/>\n    server 192.168.1.102;<br \/>\n}<\/p>\n<h4>6. \u4e00\u81f4\u6027\u54c8\u5e0c&#xff08;Consistent Hash&#xff09; &#8211; \u7f13\u5b58\u53cb\u597d<\/h4>\n<p>\u573a\u666f&#xff1a;\u5206\u5e03\u5f0f\u7f13\u5b58&#xff08;Redis\u96c6\u7fa4&#xff09;<br \/>\n\u914d\u7f6e&#xff1a;<\/p>\n<p>upstream backend {<br \/>\n    consistent_hash $request_uri; # \u6309URL\u54c8\u5e0c<br \/>\n    server 192.168.1.101;<br \/>\n    server 192.168.1.102;<br \/>\n}<\/p>\n<hr \/>\n<h3>\u56db\u3001\u4e09\u5927\u5de5\u4e1a\u7ea7\u65b9\u6848\u5bf9\u6bd4<\/h3>\n<table>\n<tr>\u65b9\u6848\u9002\u7528\u573a\u666f\u6027\u80fd\u6210\u672c\u7279\u70b9<\/tr>\n<tbody>\n<tr>\n<td>Nginx<\/td>\n<td>Web\u5e94\u7528\/API<\/td>\n<td>50\u4e07QPS<\/td>\n<td>\u5f00\u6e90\u514d\u8d39<\/td>\n<td>\u914d\u7f6e\u7075\u6d3b&#xff0c;\u751f\u6001\u5f3a\u5927<\/td>\n<\/tr>\n<tr>\n<td>LVS<\/td>\n<td>\u56db\u5c42\u8f6c\u53d1<\/td>\n<td>100\u4e07QPS<\/td>\n<td>\u5f00\u6e90<\/td>\n<td>\u5185\u6838\u7ea7\u8f6c\u53d1&#xff0c;\u6027\u80fd\u602a\u517d<\/td>\n<\/tr>\n<tr>\n<td>\u4e91ELB<\/td>\n<td>\u4e91\u539f\u751f\u5e94\u7528<\/td>\n<td>\u5f39\u6027\u6269\u5c55<\/td>\n<td>\u6309\u91cf\u4ed8\u8d39<\/td>\n<td>\u514d\u8fd0\u7ef4&#xff0c;\u96c6\u6210\u4e91\u76d1\u63a7<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h3>\u4e94\u3001\u9ad8\u53ef\u7528\u5b9e\u6218&#xff1a;Nginx&#043;Keepalived\u53cc\u6d3b\u67b6\u6784<\/h3>\n<h4>\u67b6\u6784\u56fe&#xff08;\u9632\u5355\u70b9\u6545\u969c&#xff09;<\/h4>\n<p>#mermaid-svg-r9mrBDTDq4Qnrb2J {font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;font-size:16px;fill:#333;}#mermaid-svg-r9mrBDTDq4Qnrb2J .error-icon{fill:#552222;}#mermaid-svg-r9mrBDTDq4Qnrb2J .error-text{fill:#552222;stroke:#552222;}#mermaid-svg-r9mrBDTDq4Qnrb2J .edge-thickness-normal{stroke-width:2px;}#mermaid-svg-r9mrBDTDq4Qnrb2J .edge-thickness-thick{stroke-width:3.5px;}#mermaid-svg-r9mrBDTDq4Qnrb2J .edge-pattern-solid{stroke-dasharray:0;}#mermaid-svg-r9mrBDTDq4Qnrb2J .edge-pattern-dashed{stroke-dasharray:3;}#mermaid-svg-r9mrBDTDq4Qnrb2J .edge-pattern-dotted{stroke-dasharray:2;}#mermaid-svg-r9mrBDTDq4Qnrb2J .marker{fill:#333333;stroke:#333333;}#mermaid-svg-r9mrBDTDq4Qnrb2J .marker.cross{stroke:#333333;}#mermaid-svg-r9mrBDTDq4Qnrb2J svg{font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;font-size:16px;}#mermaid-svg-r9mrBDTDq4Qnrb2J .label{font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;color:#333;}#mermaid-svg-r9mrBDTDq4Qnrb2J .cluster-label text{fill:#333;}#mermaid-svg-r9mrBDTDq4Qnrb2J .cluster-label span{color:#333;}#mermaid-svg-r9mrBDTDq4Qnrb2J .label text,#mermaid-svg-r9mrBDTDq4Qnrb2J span{fill:#333;color:#333;}#mermaid-svg-r9mrBDTDq4Qnrb2J .node rect,#mermaid-svg-r9mrBDTDq4Qnrb2J .node circle,#mermaid-svg-r9mrBDTDq4Qnrb2J .node ellipse,#mermaid-svg-r9mrBDTDq4Qnrb2J .node polygon,#mermaid-svg-r9mrBDTDq4Qnrb2J .node path{fill:#ECECFF;stroke:#9370DB;stroke-width:1px;}#mermaid-svg-r9mrBDTDq4Qnrb2J .node .label{text-align:center;}#mermaid-svg-r9mrBDTDq4Qnrb2J .node.clickable{cursor:pointer;}#mermaid-svg-r9mrBDTDq4Qnrb2J .arrowheadPath{fill:#333333;}#mermaid-svg-r9mrBDTDq4Qnrb2J .edgePath .path{stroke:#333333;stroke-width:2.0px;}#mermaid-svg-r9mrBDTDq4Qnrb2J .flowchart-link{stroke:#333333;fill:none;}#mermaid-svg-r9mrBDTDq4Qnrb2J .edgeLabel{background-color:#e8e8e8;text-align:center;}#mermaid-svg-r9mrBDTDq4Qnrb2J .edgeLabel rect{opacity:0.5;background-color:#e8e8e8;fill:#e8e8e8;}#mermaid-svg-r9mrBDTDq4Qnrb2J .cluster rect{fill:#ffffde;stroke:#aaaa33;stroke-width:1px;}#mermaid-svg-r9mrBDTDq4Qnrb2J .cluster text{fill:#333;}#mermaid-svg-r9mrBDTDq4Qnrb2J .cluster span{color:#333;}#mermaid-svg-r9mrBDTDq4Qnrb2J 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-r9mrBDTDq4Qnrb2J :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\"><\/span><span id=\"L-L-B-C\" class=\"edgeLabel L-LS-B&#039; L-LE-C\"><\/span><span id=\"L-L-B-D\" class=\"edgeLabel L-LS-B&#039; L-LE-D\"><\/span><span id=\"L-L-C-E\" class=\"edgeLabel L-LS-C&#039; L-LE-E\"><\/span><span id=\"L-L-D-E\" class=\"edgeLabel L-LS-D&#039; L-LE-E\"><\/span>\u7528\u6237VIP: 192.168.100.100Nginx\u4e3b\u8282\u70b9Nginx\u5907\u8282\u70b9\u670d\u52a1\u5668\u96c6\u7fa4<\/p>\n<h4>\u914d\u7f6e\u6b65\u9aa4<\/h4>\n<li>\n<p>\u5b89\u88c5Keepalived<\/p>\n<p><span class=\"token function\">apt<\/span> <span class=\"token function\">install<\/span> keepalived<\/p>\n<\/li>\n<li>\n<p>\u4e3b\u8282\u70b9\u914d\u7f6e&#xff08;\/etc\/keepalived\/keepalived.conf&#xff09;<\/p>\n<p>vrrp_instance VI_1 {<br \/>\n    state MASTER<br \/>\n    interface eth0<br \/>\n    virtual_router_id 51<br \/>\n    priority 100 # \u4e3b\u8282\u70b9\u4f18\u5148\u7ea7\u66f4\u9ad8<br \/>\n    advert_int 1<br \/>\n    virtual_ipaddress {<br \/>\n        192.168.100.100\/24<br \/>\n    }<br \/>\n}<\/p>\n<\/li>\n<li>\n<p>\u5907\u8282\u70b9\u914d\u7f6e<\/p>\n<p>vrrp_instance VI_1 {<br \/>\n    state BACKUP<br \/>\n    priority 50<br \/>\n    # \u5176\u4ed6\u914d\u7f6e\u4e0e\u4e3b\u8282\u70b9\u76f8\u540c<br \/>\n}<\/p>\n<\/li>\n<hr \/>\n<h3>\u516d\u3001\u907f\u5751\u6307\u5357&#xff08;\u8840\u6cea\u7ecf\u9a8c&#xff09;<\/h3>\n<h4>\u57511&#xff1a;Session\u4e22\u5931<\/h4>\n<p>\u73b0\u8c61&#xff1a;\u7528\u6237\u767b\u5f55\u72b6\u6001\u968f\u673a\u5931\u6548<br \/>\n\u2705 \u89e3\u51b3\u65b9\u6848&#xff1a;<\/p>\n<ul>\n<li>\u65b9\u68481&#xff1a;IP Hash\u7ed1\u5b9a\u7528\u6237\u5230\u56fa\u5b9a\u670d\u52a1\u5668<\/li>\n<li>\u65b9\u68482&#xff1a;Redis\u96c6\u4e2d\u5b58\u50a8Session<span class=\"token comment\">\/\/ SpringBoot\u914d\u7f6e<\/span><br \/>\nspring<span class=\"token punctuation\">.<\/span>session<span class=\"token punctuation\">.<\/span>store<span class=\"token operator\">&#8211;<\/span>type<span class=\"token operator\">&#061;<\/span>redis<\/p>\n<\/li>\n<\/ul>\n<h4>\u57512&#xff1a;\u5065\u5eb7\u68c0\u67e5\u5931\u6548<\/h4>\n<p>\u73b0\u8c61&#xff1a;\u8bf7\u6c42\u6301\u7eed\u53d1\u5f80\u5b95\u673a\u8282\u70b9<br \/>\n\u2705 Nginx\u589e\u5f3a\u68c0\u67e5&#xff1a;<\/p>\n<p>upstream backend {<br \/>\n    server 192.168.1.101 max_fails&#061;3 fail_timeout&#061;30s;<br \/>\n    server 192.168.1.102;<\/p>\n<p>    # \u4e3b\u52a8\u5065\u5eb7\u68c0\u67e5&#xff08;Nginx Plus&#xff09;<br \/>\n    health_check interval&#061;5s uri&#061;\/health_check;<br \/>\n}<\/p>\n<h4>\u57513&#xff1a;\u6d41\u91cf\u503e\u659c<\/h4>\n<p>\u73b0\u8c61&#xff1a;\u67d0\u53f0\u670d\u52a1\u5668CPU100%&#xff0c;\u5176\u4ed6\u7a7a\u95f2<br \/>\n\u2705 \u8c03\u4f18\u65b9\u6848&#xff1a;<\/p>\n<li>\u4f7f\u7528\u6700\u5c11\u8fde\u63a5\u7b97\u6cd5<\/li>\n<li>\u542f\u7528\u52a8\u6001\u6743\u91cd\u8c03\u6574<span class=\"token comment\"># \u52a8\u6001\u8c03\u6574\u6743\u91cd&#xff08;Nginx API&#xff09;<\/span><br \/>\n<span class=\"token function\">curl<\/span> -X PATCH -d <span class=\"token string\">&#039;{&#034;weight&#034;:2}&#039;<\/span> http:\/\/nginx\/api\/upstreams\/backend\/servers\/0<\/p>\n<\/li>\n<hr \/>\n<h3>\u4e03\u3001\u6027\u80fd\u4f18\u5316&#xff1a;\u538b\u69a8\u786c\u4ef6\u6781\u9650<\/h3>\n<h4>\u5185\u6838\u53c2\u6570\u8c03\u4f18&#xff08;\/etc\/sysctl.conf&#xff09;<\/h4>\n<p># \u6700\u5927\u6587\u4ef6\u63cf\u8ff0\u7b26<br \/>\nfs.file-max &#061; 1000000<\/p>\n<p># \u7f51\u7edc\u4f18\u5316<br \/>\nnet.core.somaxconn &#061; 65535<br \/>\nnet.ipv4.tcp_tw_reuse &#061; 1<br \/>\nnet.ipv4.tcp_max_syn_backlog &#061; 65536<\/p>\n<h4>Nginx\u7ec8\u6781\u914d\u7f6e<\/h4>\n<p>worker_processes auto;        # \u5339\u914dCPU\u6838\u5fc3\u6570<br \/>\nworker_rlimit_nofile 100000;  # \u6587\u4ef6\u63cf\u8ff0\u7b26\u4e0a\u9650<\/p>\n<p>events {<br \/>\n    worker_connections 65535; # \u5355\u4e2aworker\u8fde\u63a5\u6570<br \/>\n    use epoll;                # Linux\u9ad8\u6027\u80fd\u6a21\u5f0f<br \/>\n    multi_accept on;          # \u4e00\u6b21\u63a5\u53d7\u591a\u4e2a\u8fde\u63a5<br \/>\n}<\/p>\n<p>http {<br \/>\n    # \u5f00\u542f\u9ad8\u6548\u4f20\u8f93<br \/>\n    sendfile on;<br \/>\n    tcp_nopush on;<br \/>\n    tcp_nodelay on;<\/p>\n<p>    # \u8fde\u63a5\u8d85\u65f6\u4f18\u5316<br \/>\n    keepalive_timeout 30;<br \/>\n    keepalive_requests 10000;<br \/>\n}<\/p>\n<hr \/>\n<h3>\u516b\u3001\u4e91\u539f\u751f\u65f6\u4ee3&#xff1a;K8s\u4e2d\u7684\u8d1f\u8f7d\u5747\u8861<\/h3>\n<h4>Service\u8d1f\u8f7d\u5747\u8861\u539f\u7406<\/h4>\n<p>#mermaid-svg-yBRTh8gaN3LVHXx6 {font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;font-size:16px;fill:#333;}#mermaid-svg-yBRTh8gaN3LVHXx6 .error-icon{fill:#552222;}#mermaid-svg-yBRTh8gaN3LVHXx6 .error-text{fill:#552222;stroke:#552222;}#mermaid-svg-yBRTh8gaN3LVHXx6 .edge-thickness-normal{stroke-width:2px;}#mermaid-svg-yBRTh8gaN3LVHXx6 .edge-thickness-thick{stroke-width:3.5px;}#mermaid-svg-yBRTh8gaN3LVHXx6 .edge-pattern-solid{stroke-dasharray:0;}#mermaid-svg-yBRTh8gaN3LVHXx6 .edge-pattern-dashed{stroke-dasharray:3;}#mermaid-svg-yBRTh8gaN3LVHXx6 .edge-pattern-dotted{stroke-dasharray:2;}#mermaid-svg-yBRTh8gaN3LVHXx6 .marker{fill:#333333;stroke:#333333;}#mermaid-svg-yBRTh8gaN3LVHXx6 .marker.cross{stroke:#333333;}#mermaid-svg-yBRTh8gaN3LVHXx6 svg{font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;font-size:16px;}#mermaid-svg-yBRTh8gaN3LVHXx6 .label{font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;color:#333;}#mermaid-svg-yBRTh8gaN3LVHXx6 .cluster-label text{fill:#333;}#mermaid-svg-yBRTh8gaN3LVHXx6 .cluster-label span{color:#333;}#mermaid-svg-yBRTh8gaN3LVHXx6 .label text,#mermaid-svg-yBRTh8gaN3LVHXx6 span{fill:#333;color:#333;}#mermaid-svg-yBRTh8gaN3LVHXx6 .node rect,#mermaid-svg-yBRTh8gaN3LVHXx6 .node circle,#mermaid-svg-yBRTh8gaN3LVHXx6 .node ellipse,#mermaid-svg-yBRTh8gaN3LVHXx6 .node polygon,#mermaid-svg-yBRTh8gaN3LVHXx6 .node path{fill:#ECECFF;stroke:#9370DB;stroke-width:1px;}#mermaid-svg-yBRTh8gaN3LVHXx6 .node .label{text-align:center;}#mermaid-svg-yBRTh8gaN3LVHXx6 .node.clickable{cursor:pointer;}#mermaid-svg-yBRTh8gaN3LVHXx6 .arrowheadPath{fill:#333333;}#mermaid-svg-yBRTh8gaN3LVHXx6 .edgePath .path{stroke:#333333;stroke-width:2.0px;}#mermaid-svg-yBRTh8gaN3LVHXx6 .flowchart-link{stroke:#333333;fill:none;}#mermaid-svg-yBRTh8gaN3LVHXx6 .edgeLabel{background-color:#e8e8e8;text-align:center;}#mermaid-svg-yBRTh8gaN3LVHXx6 .edgeLabel rect{opacity:0.5;background-color:#e8e8e8;fill:#e8e8e8;}#mermaid-svg-yBRTh8gaN3LVHXx6 .cluster rect{fill:#ffffde;stroke:#aaaa33;stroke-width:1px;}#mermaid-svg-yBRTh8gaN3LVHXx6 .cluster text{fill:#333;}#mermaid-svg-yBRTh8gaN3LVHXx6 .cluster span{color:#333;}#mermaid-svg-yBRTh8gaN3LVHXx6 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-yBRTh8gaN3LVHXx6 :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\"><\/span><span id=\"L-L-B-C\" class=\"edgeLabel L-LS-B&#039; L-LE-C\"><\/span><span id=\"L-L-B-D\" class=\"edgeLabel L-LS-B&#039; L-LE-D\"><\/span><span id=\"L-L-B-E\" class=\"edgeLabel L-LS-B&#039; L-LE-E\"><\/span><span id=\"L-L-C-F\" class=\"edgeLabel L-LS-C&#039; L-LE-F\"><\/span><span id=\"L-L-D-F\" class=\"edgeLabel L-LS-D&#039; L-LE-F\"><\/span><span id=\"L-L-E-F\" class=\"edgeLabel L-LS-E&#039; L-LE-F\"><\/span>\u7528\u6237ServicePod1Pod2Pod3\u5e94\u7528\u5bb9\u5668<\/p>\n<h4>Ingress\u7f51\u5173\u914d\u7f6e<\/h4>\n<p><span class=\"token key atrule\">apiVersion<\/span><span class=\"token punctuation\">:<\/span> networking.k8s.io\/v1<br \/>\n<span class=\"token key atrule\">kind<\/span><span class=\"token punctuation\">:<\/span> Ingress<br \/>\n<span class=\"token key atrule\">metadata<\/span><span class=\"token punctuation\">:<\/span><br \/>\n  <span class=\"token key atrule\">name<\/span><span class=\"token punctuation\">:<\/span> my<span class=\"token punctuation\">&#8211;<\/span>ingress<br \/>\n<span class=\"token key atrule\">spec<\/span><span class=\"token punctuation\">:<\/span><br \/>\n  <span class=\"token key atrule\">rules<\/span><span class=\"token punctuation\">:<\/span><br \/>\n  <span class=\"token punctuation\">&#8211;<\/span> <span class=\"token key atrule\">host<\/span><span class=\"token punctuation\">:<\/span> myapp.com<br \/>\n    <span class=\"token key atrule\">http<\/span><span class=\"token punctuation\">:<\/span><br \/>\n      <span class=\"token key atrule\">paths<\/span><span class=\"token punctuation\">:<\/span><br \/>\n      <span class=\"token punctuation\">&#8211;<\/span> <span class=\"token key atrule\">path<\/span><span class=\"token punctuation\">:<\/span> \/<br \/>\n        <span class=\"token key atrule\">pathType<\/span><span class=\"token punctuation\">:<\/span> Prefix<br \/>\n        <span class=\"token key atrule\">backend<\/span><span class=\"token punctuation\">:<\/span><br \/>\n          <span class=\"token key atrule\">service<\/span><span class=\"token punctuation\">:<\/span><br \/>\n            <span class=\"token key atrule\">name<\/span><span class=\"token punctuation\">:<\/span> web<span class=\"token punctuation\">&#8211;<\/span>service<br \/>\n            <span class=\"token key atrule\">port<\/span><span class=\"token punctuation\">:<\/span><br \/>\n              <span class=\"token key atrule\">number<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token number\">80<\/span><\/p>\n<hr \/>\n<h3>\u4e5d\u3001\u9762\u8bd5\u6838\u6b66\u5668&#xff1a;\u7075\u9b42\u4e09\u95ee<\/h3>\n<h4>\u95ee\u98981&#xff1a;\u5982\u4f55\u9009\u62e9\u8d1f\u8f7d\u5747\u8861\u7b97\u6cd5&#xff1f;<\/h4>\n<p>\u53c2\u8003\u7b54\u6848&#xff1a;<\/p>\n<p>\u201c\u6839\u636e\u4e1a\u52a1\u573a\u666f\u9009\u62e9&#xff1a;<\/p>\n<ul>\n<li>\u65e0\u72b6\u6001\u670d\u52a1 \u2192 \u8f6e\u8be2\/\u52a0\u6743\u8f6e\u8be2<\/li>\n<li>\u957f\u8fde\u63a5\u670d\u52a1 \u2192 \u6700\u5c11\u8fde\u63a5<\/li>\n<li>\u4f1a\u8bdd\u4fdd\u6301\u9700\u6c42 \u2192 IP\u54c8\u5e0c\/\u4e00\u81f4\u6027\u54c8\u5e0c<\/li>\n<li>\u52a8\u6001\u654f\u611f\u578b \u2192 \u54cd\u5e94\u65f6\u95f4\u4f18\u5148&#xff08;\u9700\u5546\u4e1a\u7248&#xff09;\u201d<\/li>\n<\/ul>\n<h4>\u95ee\u98982&#xff1a;\u5982\u4f55\u68c0\u6d4b\u540e\u7aef\u670d\u52a1\u5668\u72b6\u6001&#xff1f;<\/h4>\n<p>\u5b8c\u7f8e\u7b54\u6848&#xff1a;<\/p>\n<p>\u201c\u91c7\u7528\u4e24\u5c42\u5065\u5eb7\u68c0\u67e5\u673a\u5236&#xff1a;<\/p>\n<li>\u88ab\u52a8\u68c0\u67e5&#xff1a;\u901a\u8fc7\u8bf7\u6c42\u5931\u8d25\u7387\u81ea\u52a8\u7194\u65ad&#xff08;\u5982Nginx\u7684max_fails&#xff09;<\/li>\n<li>\u4e3b\u52a8\u63a2\u6d4b&#xff1a;\u5b9a\u671f\u53d1\u9001\u5065\u5eb7\u68c0\u67e5\u8bf7\u6c42&#xff08;\u5982HTTP GET \/health&#xff09;<\/li>\n<li>\u8865\u5145\u65b9\u6848&#xff1a;\u96c6\u6210\u670d\u52a1\u53d1\u73b0&#xff08;Consul\/Nacos&#xff09;\u5b9e\u65f6\u83b7\u53d6\u8282\u70b9\u72b6\u6001\u201d<\/li>\n<h4>\u95ee\u98983&#xff1a;\u8d1f\u8f7d\u5747\u8861\u5355\u70b9\u6545\u969c\u5982\u4f55\u89e3\u51b3&#xff1f;<\/h4>\n<p>\u9ad8\u53ef\u7528\u65b9\u6848&#xff1a;<\/p>\n<p>\u201c\u90e8\u7f72\u53cc\u6d3b\u67b6\u6784&#xff1a;<\/p>\n<li>\u65b9\u6848\u4e00&#xff1a;Nginx&#043;Keepalived\u865a\u62dfIP\u6f02\u79fb<\/li>\n<li>\u65b9\u6848\u4e8c&#xff1a;DNS\u8f6e\u8be2&#043;\u591a\u53f0\u8d1f\u8f7d\u5747\u8861\u5668<\/li>\n<li>\u4e91\u65b9\u6848&#xff1a;\u4f7f\u7528\u4e91\u670d\u52a1\u5546\u7684\u591a\u53ef\u7528\u533a\u8d1f\u8f7d\u5747\u8861\u5668\u201d<\/li>\n<hr \/>\n<h3>\u5341\u3001\u5b66\u4e60\u8def\u7ebf&#xff08;\u5feb\u901f\u7a81\u56f4&#xff09;<\/h3>\n<h4>\u9636\u6bb51&#xff1a;\u57fa\u7840\u5b9e\u6218&#xff08;1\u5468&#xff09;<\/h4>\n<ul>\n<li class=\"task-list-item\"> Nginx\u5b89\u88c5\u4e0e\u57fa\u7840\u914d\u7f6e<\/li>\n<li class=\"task-list-item\"> \u8d1f\u8f7d\u5747\u8861\u7b97\u6cd5\u5bf9\u6bd4\u6d4b\u8bd5<\/li>\n<li class=\"task-list-item\"> \u5065\u5eb7\u68c0\u67e5\u673a\u5236\u5b9e\u73b0<\/li>\n<\/ul>\n<h4>\u9636\u6bb52&#xff1a;\u8fdb\u9636\u9879\u76ee&#xff08;2\u5468&#xff09;<\/h4>\n<table>\n<tr>\u9879\u76ee\u6280\u672f\u6808\u653b\u514b\u96be\u70b9<\/tr>\n<tbody>\n<tr>\n<td>\u7535\u5546\u5927\u4fc3\u7cfb\u7edf<\/td>\n<td>Nginx&#043;Keepalived<\/td>\n<td>\u767e\u4e07\u5e76\u53d1\u4e0b\u7684\u4f1a\u8bdd\u4fdd\u6301<\/td>\n<\/tr>\n<tr>\n<td>\u4e91\u539f\u751f\u5fae\u670d\u52a1<\/td>\n<td>K8s Ingress &#043; 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