{"id":10057,"date":"2024-04-09T21:26:06","date_gmt":"2024-04-09T13:26:06","guid":{"rendered":"https:\/\/egonlin.com\/?p=10057"},"modified":"2024-07-02T21:29:48","modified_gmt":"2024-07-02T13:29:48","slug":"redis%e4%b8%bb%e4%bb%8e%e3%80%81%e5%93%a8%e5%85%b5%e3%80%81%e9%9b%86%e7%be%a4","status":"publish","type":"post","link":"https:\/\/egonlin.com\/?p=10057","title":{"rendered":"redis\u4e3b\u4ece\u3001\u54e8\u5175\u3001\u96c6\u7fa4"},"content":{"rendered":"<h1>\u4e00\u3001\u4ecb\u7ecd<\/h1>\n<ul>\n<li>1\u3001\u4e3b\u4ece\u6a21\u5f0f\uff1a<br \/>\n\u7279\u70b9\uff1amaster \u8282\u70b9\u6302\u6389\u540e\uff0c\u9700\u8981\u624b\u52a8\u6307\u5b9a\u65b0\u7684 master\uff0c\u53ef\u7528\u6027\u4e0d\u9ad8<br \/>\n\u9002\u7528\u573a\u666f\uff1a\u57fa\u672c\u4e0d\u7528<\/li>\n<li>2\u3001\u54e8\u5175\u6a21\u5f0f\uff1a<br \/>\n\u7279\u70b9\uff1amaster \u8282\u70b9\u6302\u6389\u540e\uff0c\u54e8\u5175\u8fdb\u7a0b\u4f1a\u4e3b\u52a8\u9009\u4e3e\u65b0\u7684 master\uff0c\u53ef\u7528\u6027\u9ad8\uff0c\u4f46\u662f\u6bcf\u4e2a\u8282\u70b9\u5b58\u50a8\u7684\u6570\u636e\u662f\u4e00\u6837\u7684\uff0c\u6d6a\u8d39\u5185\u5b58\u7a7a\u95f4\uff08\u8fd9\u4e00\u6761\u662f\u76f8\u5bf9\u4e0b\u9762\u7684\u96c6\u7fa4\u6a21\u5f0f\u6765\u8bf4\u7684\uff09\u3002<br \/>\n\u9002\u7528\u573a\u666f\uff1a\u6570\u636e\u91cf\u4e0d\u662f\u5f88\u591a\u3001\u5f53\u96c6\u7fa4\u89c4\u6a21\u4e0d\u662f\u5f88\u5927\u3001\u9700\u8981\u81ea\u52a8\u5bb9\u9519\u5bb9\u707e\u7684\u65f6\u5019\u4f7f\u7528\u3002<\/li>\n<li>3\u3001\u96c6\u7fa4\u6a21\u5f0f\uff1a<br \/>\n\u7279\u70b9\uff1aRedis Cluster \u6a21\u5f0f\u662f\u57282015\u5e744\u6708\u53d1\u5e03\u76843.0\u7248\u672c\u4e2d\u5f15\u5165\u7684\uff0c\u89e3\u51b3\u4e86\u6545\u969c\u5207\u6362\uff0c\u52a0\u6570\u636e\u5206\u5e03\u5747\u5300\u7684\u95ee\u9898\uff08\u57fa\u4e8eslot \u69fd\uff0c\u7c7b\u4f3c\u4e8e\u4e00\u6267\u884chash\u5bf9\u6570\u636e\u8fdb\u884c\u5206\u7247\uff09\u6700\u5927\u9650\u5ea6\u5229\u7528\u4e86\u5185\u5b58\u3002<br \/>\n\u4f7f\u7528\u573a\u666f\uff1a\u6570\u636e\u91cf\u6bd4\u8f83\u5927\u3001QPS \u8981\u6c42\u8f83\u9ad8\u7684\u65f6\u5019\u4f7f\u7528\u3002<\/li>\n<\/ul>\n<h1>\u4e8c\u3001\u4e3b\u4ece\u6a21\u5f0f<\/h1>\n<h2>2.1 \u4ecb\u7ecd<\/h2>\n<p>redis\u4e3b\u4ece\uff1a<br \/>\n1\u3001\u4e00\u4e3b\u591a\u4ece\uff0c\u4e3b\u8d1f\u8d23\u5199\uff0c\u4ece\u8d1f\u8d23\u8bfb<br \/>\n2\u3001\u6ca1\u6709\u6545\u969c\u5207\u6362<br \/>\n3\u3001\u4e00\u4e2a\u4e3b\u8282\u70b9\u53ef\u4ee5\u6709\u591a\u4e2a\u4ece\u8282\u70b9\uff0c\u4f46\u662f\u4e00\u4e2a\u4ece\u8282\u70b9\u4f1a\u53ea\u4f1a\u6709\u4e00\u4e2a\u4e3b\u8282\u70b9\uff0c\u4e5f\u5c31\u662f\u6240\u8c13\u7684\u4e00\u4e3b\u591a\u4ece\u7ed3\u6784\u3002<\/p>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/egonlin.com\/wp-content\/uploads\/2024\/04\/image-1712670162777.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/egonlin.com\/wp-content\/uploads\/2024\/04\/image-1712670162777.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"file\" \/><\/div><br \/>\n\u4e3b\u4ece\u540c\u6b65\u6d41\u7a0b\/\u539f\u7406\uff1a\u4e3b\u4ece\u521a\u521a\u8fde\u63a5\u7684\u65f6\u5019\uff0c\u8fdb\u884c\u5168\u91cf\u540c\u6b65;\u5168\u540c\u6b65\u7ed3\u675f\u540e\uff0c\u8fdb\u884c\u589e\u91cf\u540c\u6b65\u3002<\/p>\n<p>\u8be6\u89c12.3\u5c0f\u8282<\/p>\n<h2>2.2 \u914d\u7f6e\u793a\u4f8b<\/h2>\n<table>\n<thead>\n<tr>\n<th>\u673a\u5668\u540d\u79f0<\/th>\n<th>IP<\/th>\n<th>\u7aef\u53e3<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>master<\/td>\n<td>192.168.71.12<\/td>\n<td>6379<\/td>\n<\/tr>\n<tr>\n<td>slave1<\/td>\n<td>192.168.71.14<\/td>\n<td>6379<\/td>\n<\/tr>\n<tr>\n<td>slave2<\/td>\n<td>192.168.71.15<\/td>\n<td>6379<\/td>\n<\/tr>\n<tr>\n<td>slave3<\/td>\n<td>192.168.71.16<\/td>\n<td>6379<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u6240\u6709\u8282\u70b9<\/p>\n<pre><code>setenforce 0\r\nsystemctl stop firewalld\r\nyum install redis -y<\/code><\/pre>\n<p>\u5148\u5f3a\u8c03\u4e00\u4e2a\u70b9\uff1a\u8003\u8651\u5230\u540e\u7eed\u4e3b\u4ece\u53ef\u80fd\u4f1a\u53d1\u751f\u5207\u6362\uff0c\u6240\u4ee5\u4e3a\u4e86\u65b9\u4fbf\uff0c\u5efa\u8bae\u65e0\u8bba\u4e3b\u4ece\uff0c\u6700\u5f00\u59cb\u90fd\u5728redis.conf\u4e2d\u914d\u7f6e\u4e0a\u8fd9\u4e24\u9879\u4e14\u4fdd\u6301\u5bc6\u7801\u4e00\u81f4<\/p>\n<pre><code>masterauth 123456  # \u8fde\u63a5\u4e3b\u5e93\u7528\u7684\u5bc6\u7801\uff0c\u662f\u4e3b\u5e93\u91cc\u8bbe\u7f6e\u7684\u5bc6\u7801\r\nrequirepass 123456 # \u4e3a\u81ea\u5df1\u8fd9\u4e2aredis\u8bbe\u7f6e\u7684\u5bc6\u7801<\/code><\/pre>\n<p>\u4e3b\u8282\u70b9\u914d\u7f6e\uff0c\u968f\u540e\u5148\u542f\u52a8\u4e3b\u8282\u70b9<\/p>\n<pre><code># \u4e00\u3001\u914d\u7f6e\u6587\u4ef6\/etc\/redis\/redis.conf # <strong><span style=\"background-color: #ff0000;\">\u914d\u7f6e\u9879\u672b\u5c3e\u4e0d\u8981\u52a0\u6ce8\u91ca<\/span><\/strong>\r\ncat &gt; \/usr\/local\/redis\/conf\/redis.conf &lt;&lt; 'EOF'\r\ndaemonize yes\r\nbind 0.0.0.0\r\nport 6379\r\n\r\nmasterauth 123456\r\nrequirepass 123456\r\n\r\nEOF\r\n\r\n# \u4e8c\u3001\u91cd\u542f\r\nsystemctl restart redis<\/code><\/pre>\n<p>\u4ece\u8282\u70b9\u914d\u7f6e\uff08\u4e09\u53f0\u90fd\u4e00\u6837\uff09\uff0c\u7136\u540e\u4e00\u53f0\u53f0\u542f\u52a8\u4ece\u8282\u70b9<\/p>\n<pre><code># =========================\u300bredis.conf\u914d\u7f6e\u5982\u4e0b\uff08# \u914d\u7f6e\u9879\u672b\u5c3e\u4e0d\u8981\u52a0\u6ce8\u91ca\uff09\r\ncat &gt; \/usr\/local\/redis\/conf\/redis.conf &lt;&lt; 'EOF'\r\n# \uff081\uff09\u4fee\u6539\r\ndaemonize yes\r\nbind 0.0.0.0\r\nport 6379\r\n# \uff082\uff09\u589e\u52a0\r\n# \u914d\u7f6e\u4e3b\u8282\u70b9\u7684ip\u548c\u7aef\u53e3\r\nslaveof 192.168.71.12 6379\r\n# \u4eceredis2.6\u5f00\u59cb\uff0c\u4ece\u8282\u70b9\u9ed8\u8ba4\u662f\u53ea\u8bfb\u7684\r\nslave-read-only yes\r\n# \u4e3b\u8282\u70b9\u6709\u767b\u5f55\u5bc6\u7801\uff0c\u5219\u5fc5\u987b\u6307\u5b9a\r\nmasterauth 123456\r\n# \u5efa\u8bae\u5728\u4ece\u4e0a\u4e5f\u8bbe\u7f6e\u4e0e\u4e3b\u4e00\u6a21\u4e00\u6837\u7684\u5bc6\u7801\uff0c\u8fd9\u4e0e\u540e\u7eed\u4f60\u5207\u4e3b\u4f1a\u65b9\u4fbf\u4e00\u4e9b\uff0c\u56e0\u4e3a\u65e0\u8bba\u54ea\u4e2a\u8282\u70b9\u90fd\u662f\u4e00\u6837\u7684\u5bc6\u7801\r\nrequirepass 123456\r\nEOF<\/code><\/pre>\n<p>\u4e5f\u53ef\u4ee5\u4e0d\u914d\u7f6e\u4e0a\u9762\u7684\u6587\u4ef6\uff0c\u4f7f\u7528 redis-server \u547d\u4ee4\uff0c\u5728\u542f\u52a8\u4ece\u8282\u70b9\u65f6\uff0c\u901a\u8fc7\u53c2\u6570&#8211;slaveof \u6307\u5b9a\u4e3b\u8282\u70b9\u662f\u8c01\u3002\u3002<\/p>\n<pre><code>.\/redis-server --slaveof 192.168.71.12 6379<\/code><\/pre>\n<p>\u53ef\u4ee5\u767b\u5f55\u4e3b\u6216\u4ece\u8282\u70b9\u67e5\u770b\u4e3b\u4ece\u72b6\u6001<\/p>\n<pre><code>info replication\r\n\r\n# \u6ce8\u610f\uff1aredis 6.x\u7248\u672c\u4e0eredis3.x\u7248\u672c\u4e0d\u517c\u5bb9\r\n\u4f60\u7528centos7.9\u9ed8\u8ba4yum\u5b89\u88c5\u7684\u5c31\u662fredis3.x\u7248\u672c\uff0c\u4f60\u7528centos9\u9ed8\u8ba4yum\u5b89\u88c5\u7684\u662fredis6.x\u7248<\/code><\/pre>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/egonlin.com\/wp-content\/uploads\/2024\/04\/image-1712749596944.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/egonlin.com\/wp-content\/uploads\/2024\/04\/image-1712749596944.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"file\" \/><\/div><\/p>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/egonlin.com\/wp-content\/uploads\/2024\/04\/image-1712742767339.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/egonlin.com\/wp-content\/uploads\/2024\/04\/image-1712742767339.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"file\" \/><\/div><\/p>\n<p>\u7cfb\u7edf\u8fd0\u884c\u65f6\uff0c\u5982\u679c master \u6302\u6389\u4e86\uff0c\u53ef\u4ee5\u5728\u4e00\u4e2a\u4ece\u5e93\uff08\u5982 slave1\uff09\u4e0a\u624b\u52a8\u6267\u884c\u547d\u4ee4\uff0cslave2\u4e5f\u662f\u4e00\u6837<\/p>\n<pre><code>slaveof no one  # \u5c06 slave1 \u53d8\u6210\u65b0\u7684 master\r\nslaveof 192.168.71.14 6379 # \u5c06\u8fd9\u4e24\u4e2a\u673a\u5668\u7684\u4e3b\u8282\u70b9\u6307\u5411\u7684\u8fd9\u4e2a\u65b0\u7684 master\uff1b\r\n\r\n\u8865\u5145\uff1a\r\n\u6267\u884c\u547d\u4ee4slaveof no one\u547d\u4ee4\uff0c\u53ef\u4ee5\u5173\u95ed\u4ece\u670d\u52a1\u5668\u7684\u590d\u5236\u529f\u80fd\u3002\u540c\u65f6\u539f\u6765\u540c\u6b65\u7684\u6240\u5f97\u7684\u6570\u636e\u96c6\u90fd\u4e0d\u4f1a\u88ab\u4e22\u5f03\u3002<\/code><\/pre>\n<p>\u6302\u6389\u7684\u539f master\u4fee\u590d \u542f\u52a8\u540e\u4f5c\u4e3a\u65b0\u7684 slave \u4e5f\u6307\u5411\u65b0\u7684 master \u4e0a\u3002<\/p>\n<h2>2.3 \u6d41\u7a0b\u8be6\u89e3<\/h2>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/egonlin.com\/wp-content\/uploads\/2024\/04\/image-1712673682023.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/egonlin.com\/wp-content\/uploads\/2024\/04\/image-1712673682023.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"file\" \/><\/div><\/p>\n<p>\u7b80\u8ff0\uff1a\u4ece\u5e93\u6267\u884csync\uff0c\u4e3b\u6536\u5230\u540e\u5148\u6267\u884cbgsave\u547d\u4ee4\u5e76\u628a\u5f97\u5230\u7684\u5feb\u7167\u53d1\u7ed9\u4ece\u5e93\uff0c\u4ece\u5e93\u6536\u5230\u540e\u5148\u8fdb\u884c\u5168\u91cf\u540c\u6b65\u6570\u636e\uff0c\u5168\u91cf\u540c\u6b65\u7684\u671f\u95f4\u5185\u4e3b\u5e93\u7684\u4e00\u76f4\u5728\u8bb0\u5f55\u589e\u91cf\u6570\u636e\uff0c\u5f85\u4ece\u5e93\u540c\u6b65\u5b8c\u5168\u91cf\u540e\uff0c\u518d\u540c\u6b65\u589e\u91cf\uff0c\u7136\u540e\u540e\u7eed\u5c31\u662f\u53ea\u540c\u6b65\u589e\u91cf\u4e86<\/p>\n<p>\u8be6\u89e3\u5982\u4e0b<\/p>\n<ul>\n<li>\u4ece\u6570\u636e\u5e93\u8fde\u63a5\u4e3b\u6570\u636e\u5e93\uff0c\u53d1\u9001 SYNC \u547d\u4ee4;<\/li>\n<li>\u4e3b\u6570\u636e\u5e93\u63a5\u6536\u5230 SYNC \u547d\u4ee4\u540e\uff0c\u53ef\u4ee5\u6267\u884c BGSAVE \u547d\u4ee4\u751f\u6210 RDB \u6587\u4ef6\u5e76\u4f7f\u7528\u7f13\u51b2\u533a\u8bb0\u5f55\u6b64\u540e\u6267\u884c\u7684\u6240\u6709\u5199\u547d\u4ee4;<\/li>\n<li>\u4e3b\u6570\u636e\u5e93 BGSAVE \u6267\u884c\u5b8c\u540e\uff0c\u5411\u6240\u6709\u4ece\u6570\u636e\u5e93\u53d1\u9001\u5feb\u7167\u6587\u4ef6\uff0c\u5e76\u5728\u53d1\u9001\u671f\u95f4\uff0c\u4e3b\u5e93\u4f1a\u7ee7\u7eed\u8bb0\u5f55\u88ab\u6267\u884c\u7684\u5199\u547d\u4ee4\u5230\u81ea\u5df1\u7684\u7f13\u51b2\u533a\u4e2d;<\/li>\n<li>\u4ece\u6570\u636e\u5e93\u6536\u5230\u5feb\u7167\u6587\u4ef6\u540e\u4e22\u5f03\u6240\u6709\u65e7\u6570\u636e\uff0c\u8f7d\u5165\u6536\u5230\u7684\u5feb\u7167;-<\/li>\n<li>\u4e3b\u6570\u636e\u5e93\u5feb\u7167\u53d1\u9001\u5b8c\u6bd5\u540e\u5f00\u59cb\u5411\u4ece\u6570\u636e\u5e93\u53d1\u9001\u7f13\u51b2\u533a\u4e2d\u7684\u5199\u547d\u4ee4;<\/li>\n<li>\u4ece\u6570\u636e\u5e93\u5b8c\u6210\u5bf9\u5feb\u7167\u7684\u8f7d\u5165\uff0c\u5f00\u59cb\u63a5\u53d7\u547d\u4ee4\u8bf7\u6c42\uff0c\u5e76\u6267\u884c\u6765\u81ea\u4e3b\u6570\u636e\u5e93\u7f13\u51b2\u533a\u7684\u5199\u547d\u4ee4;(\u4ece\u6570\u636e\u5e93\u521d\u59cb\u5316\u5b8c\u6210)<\/li>\n<li>\u540e\u7eed\u4e3b\u6570\u636e\u5e93\u6bcf\u6267\u884c\u4e00\u4e2a\u5199\u547d\u4ee4\u5c31\u4f1a\u5411\u4ece\u6570\u636e\u5e93\u53d1\u9001\u76f8\u540c\u7684\u5199\u547d\u4ee4\uff0c\u4ece\u6570\u636e\u5e93\u63a5\u6536\u5e76\u6267\u884c\u6536\u5230\u7684\u5199\u547d\u4ee4(\u4ece\u6570\u636e\u5e93\u521d\u59cb\u5316\u5b8c\u6210\u540e\u7684\u64cd\u4f5c)<\/li>\n<\/ul>\n<p>\u8865\u5145\u8bf4\u660e\uff1a\u51fa\u73b0\u65ad\u5f00\u91cd\u8fde\u540e\uff0c2.8 \u4e4b\u540e\u7684\u7248\u672c\u4f1a\u5c06\u65ad\u7ebf\u671f\u95f4\u7684\u547d\u4ee4\u4f20\u7ed9\u4ece\u6570\u636e\u5e93\uff0c\u589e\u91cf\u590d\u5236\u3002<\/p>\n<p>&nbsp;<\/p>\n<h1>\u4e09\u3001\u54e8\u5175\u6a21\u5f0f<\/h1>\n<h2>3.1 \u4ecb\u7ecd<\/h2>\n<p>1\u3001\u54e8\u5175\u6a21\u5f0f\u4ecb\u7ecd\u54e8\u5175\u6a21\u5f0f\u4ecb\u7ecd<\/p>\n<blockquote><p>\u54e8\u5175\u6a21\u5f0f\u5c31\u662f\u4e3a\u4e86\u89e3\u51b3\u4e3b\u4ece\u6a21\u5f0f\u65e0\u6cd5\u81ea\u52a8\u6545\u969c\u5207\u6362\u800c\u8bde\u751f\u7684\uff0c\u628a\u4e0b\u56fe\u7684\u54e8\u5175\u8282\u70b9\u53bb\u6389\u540e\u5c31\u662f\u4e3b\u4ece\u6a21\u5f0f<br \/>\n<div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/egonlin.com\/wp-content\/uploads\/2024\/04\/image-1712741141318.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/egonlin.com\/wp-content\/uploads\/2024\/04\/image-1712741141318.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"file\" \/><\/div><br \/>\n\u54e8\u5175\uff08sentinel\uff09\u662fRedis\u7684\u9ad8\u53ef\u7528\u6027(High Availability)\u7684\u89e3\u51b3\u65b9\u6848\uff1a\u7531\u4e00\u4e2a\u6216\u591a\u4e2asentinel\u5b9e\u4f8b\u7ec4\u6210sentinel\u96c6\u7fa4\u53ef\u4ee5\u76d1\u89c6\u4e00\u4e2a\u6216\u591a\u4e2a\u4e3b\u670d\u52a1\u5668\u548c\u591a\u4e2a\u4ece\u670d\u52a1\u5668\u3002\u5f53\u4e3b\u670d\u52a1\u5668\u8fdb\u5165\u4e0b\u7ebf\u72b6\u6001\u65f6\uff0csentinel\u53ef\u4ee5\u5c06\u8be5\u4e3b\u670d\u52a1\u5668\u4e0b\u7684\u67d0\u4e00\u4ece\u670d\u52a1\u5668\u5347\u7ea7\u4e3a\u4e3b\u670d\u52a1\u5668\u7ee7\u7eed\u63d0\u4f9b\u670d\u52a1\uff0c\u4ece\u800c\u4fdd\u8bc1redis\u7684\u9ad8\u53ef\u7528\u6027\u3002<\/p><\/blockquote>\n<p>2\u3001\u54e8\u5175\u8282\u70b9\u662f\u4ec0\u4e48\uff1f<\/p>\n<blockquote><p>\u54e8\u5175\u8282\u70b9\u662f\u7279\u6b8a\u7684redis\u670d\u52a1\uff0c\u4e0d\u63d0\u4f9b\u8bfb\u5199\u670d\u52a1\uff0c\u4e3b\u8981\u7528\u6765\u76d1\u63a7redis\u5b9e\u4f8b\u8282\u70b9\u3002<\/p><\/blockquote>\n<p>3\u3001\u54e8\u5175\u8282\u70b9\u5177\u4f53\u90fd\u5e72\u4ec0\u4e48\uff0c\u4e3b\u8981\u4efb\u52a1\u603b\u7ed3\u5982\u4e0b<\/p>\n<blockquote><p>\uff081\uff09\u76d1\u63a7\uff1a\u54e8\u5175\u4f1a\u4e0d\u65ad\u5730\u68c0\u67e5\u4f60\u7684Master\u548cSlave\u662f\u5426\u8fd0\u4f5c\u6b63\u5e38\u3002<br \/>\n\uff082\uff09\u63d0\u9192\uff08\u901a\u77e5\uff09\uff1a\u5f53\u88ab\u76d1\u63a7\u7684\u67d0\u4e2aRedis\u8282\u70b9\u51fa\u73b0\u95ee\u9898\u65f6\uff0c\u54e8\u5175\u53ef\u4ee5\u901a\u8fc7 API \u5411\u7ba1\u7406\u5458\u6216\u8005\u5176\u4ed6\u5e94\u7528\u7a0b\u5e8f\u53d1\u9001\u901a\u77e5\u3002<br \/>\n\uff083\uff09\u81ea\u52a8\u6545\u969c\u8f6c\u79fb\uff1a\u5f53\u4e00\u4e2aMaster\u4e0d\u80fd\u6b63\u5e38\u5de5\u4f5c\u65f6\uff0c\u54e8\u5175\u4f1a\u8fdb\u884c\u81ea\u52a8\u6545\u969c\u8fc1\u79fb\u64cd\u4f5c\uff0c\u5c06\u5931\u6548Master\u7684\u5176\u4e2d\u4e00\u4e2aSlave\u5347\u7ea7\u4e3a\u65b0\u7684Master\uff0c\u5e76\u8ba9\u5931\u6548Master\u7684\u5176\u4ed6Slave\u6539\u4e3a\u590d\u5236\u65b0\u7684Master\uff1b\u5f53\u5ba2\u6237\u7aef\u8bd5\u56fe\u8fde\u63a5\u5931\u6548\u7684Master\u65f6\uff0c\u96c6\u7fa4\u4e5f\u4f1a\u5411\u5ba2\u6237\u7aef\u8fd4\u56de\u65b0Master\u7684\u5730\u5740\uff0c\u4f7f\u5f97\u96c6\u7fa4\u53ef\u4ee5\u4f7f\u7528\u65b0Master\u4ee3\u66ff\u5931\u6548Master\u3002<\/p><\/blockquote>\n<p>4\u3001\u54e8\u5175\u6a21\u5f0f\u4e0b\uff0c\u5ba2\u6237\u7aef\u7a0b\u5e8f\u5982\u4f55\u8fde\u63a5redis\u96c6\u7fa4\u5462\uff1f<\/p>\n<blockquote><p>\u5728Java\u5ba2\u6237\u7aef\u8fde\u63a5\u54e8\u5175\uff0c\u53ea\u9700\u8981\u914d\u7f6e\u54e8\u5175\u8282\u70b9\u5373\u53ef<\/p>\n<pre><code>spring.redis.sentinel.master=mymaster #\u54e8\u5175\u914d\u7f6e\u6587\u4ef6\u4e2d\u5b9a\u4e49\u7684\u96c6\u7fa4\u540d\u5b57\r\nspring.redis.sentinel.nodes=\u54e8\u5175ip1:\u54e8\u5175\u7aef\u53e31,\u54e8\u5175ip2:\u54e8\u5175\u7aef\u53e32,\u54e8\u5175ip3:\u54e8\u5175\u7aef\u53e33<\/code><\/pre>\n<\/blockquote>\n<p>&nbsp;<\/p>\n<p>5\u3001\u54e8\u5175\u6a21\u5f0f\u4e0b\uff0c\u5ba2\u6237\u7aef\u7a0b\u5e8f\u4ece\u54e8\u5175\u90a3\u91cc\u83b7\u53d6\u5230\u4e3b\u8282\u70b9ip\u540e\uff0c\u4ee5\u540e\u6bcf\u6b21\u90fd\u4f1a\u8be2\u95ee\u54e8\u5175\u8981\u4e3b\u8282\u70b9ip\u5417\uff1f<\/p>\n<blockquote><p>\u7b54\uff1a\u4e0d\u4f1a<br \/>\n\u54e8\u5175\u67b6\u6784\u4e0bclient\u7aef\u7b2c\u4e00\u6b21\u4ece\u54e8\u5175\u627e\u51faredis\u7684\u4e3b\u8282\u70b9\uff0c\u540e\u7eed\u5c31\u76f4\u63a5\u8bbf\u95eeredis\u7684\u4e3b\u8282\u70b9\uff0c\u4e0d\u4f1a\u6bcf\u6b21\u90fd\u901a\u8fc7sentinel\u4ee3\u7406\u8bbf\u95eeredis\u7684\u4e3b\u8282\u70b9\u3002<br \/>\n\u90a3\u4e3b\u8282\u70b9\u6302\u6389\u540e\u54e8\u5175\u63a8\u8350\u51fa\u65b0\u7684master\u540e\u5ba2\u6237\u7aef\u5982\u4f55\u77e5\u6653\u5462\uff1f<br \/>\n\u7b54\uff1a\u5f53redis\u7684\u4e3b\u8282\u70b9\u6302\u6389\u65f6\uff0c\u54e8\u5175\u4f1a\u7b2c\u4e00\u65f6\u95f4\u611f\u77e5\u5230\uff0c\u5e76\u4e14\u5728slave\u8282\u70b9\u4e2d\u91cd\u65b0\u9009\u51fa\u6765\u4e00\u4e2a\u65b0\u7684master\uff0c\u7136\u540e\u5c06\u65b0\u7684master\u4fe1\u606f\u901a\u77e5\u7ed9client\u7aef\uff0c\u4ece\u800c\u5b9e\u73b0\u9ad8\u53ef\u7528\u3002<br \/>\n\u8fd9\u91cc\u9762redis\u7684client\u7aef\u4e00\u822c\u90fd\u5b9e\u73b0\u4e86\u8ba2\u9605\u529f\u80fd\uff0c\u8ba2\u9605sentinel\u53d1\u5e03\u7684\u8282\u70b9\u53d8\u52a8\u6d88\u606f\u3002<\/p><\/blockquote>\n<h2>3.2 \u914d\u7f6e\u793a\u4f8b(\u54e8\u5175\u8282\u70b9\u901a\u5e38\u4e3a\u5947\u6570\u4e2a)<\/h2>\n<p>\u4e0a\u6211\u4eec\u4e4b\u524d\u914d\u7f6e\u7684\u4e3b\u4ece\u6a21\u5f0f\u57fa\u7840\u4e0a\u8fdb\u884c\u5c31\u884c<\/p>\n<table>\n<thead>\n<tr>\n<th>\u673a\u5668\u540d\u79f0<\/th>\n<th>IP<\/th>\n<th>\u7aef\u53e3<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>master<\/td>\n<td>192.168.71.12<\/td>\n<td>6379<\/td>\n<\/tr>\n<tr>\n<td>slave1<\/td>\n<td>192.168.71.14<\/td>\n<td>6379<\/td>\n<\/tr>\n<tr>\n<td>slave2<\/td>\n<td>192.168.71.15<\/td>\n<td>6379<\/td>\n<\/tr>\n<tr>\n<td>slave3<\/td>\n<td>192.168.71.16<\/td>\n<td>6379<\/td>\n<\/tr>\n<tr>\n<td>sentinel 1<\/td>\n<td>192.168.71.17<\/td>\n<td>26379<\/td>\n<\/tr>\n<tr>\n<td>sentinel 2<\/td>\n<td>192.168.71.18<\/td>\n<td>26379<\/td>\n<\/tr>\n<tr>\n<td>sentinel 3<\/td>\n<td>192.168.71.19<\/td>\n<td>26379<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u8fd9\u91cc\u6211\u4eec\u5c06\u54e8\u5175\u8fdb\u7a0b\u548c redis \u5206\u522b\u90e8\u7f72\u5728\u4e0d\u540c\u7684\u673a\u5668\u4e0a\uff0c\u907f\u514d\u56e0\u4e3a redis \u5b95\u673a\u5bfc\u81f4 sentinel \u8fdb\u7a0b\u4e0d\u53ef\u7528\u3002<br \/>\n\u6240\u6709\u8282\u70b9<\/p>\n<pre><code>setenforce 0\r\nsystemctl stop firewalld\r\nyum install redis -y<\/code><\/pre>\n<p>\u4e4b\u524d\u6211\u4eec\u5df2\u7ecf\u90e8\u7f72\u8fc7redis\u4e3b\u4ece\u4e86\uff0c\u6211\u4eec\u53ea\u9700\u8981\u5728\u6b64\u57fa\u7840\u4e4b\u4e0a\u65b0\u589e\u54e8\u5175\u5c31\u884c<\/p>\n<pre><code># \u4e09\u53f0\u54e8\u5175\u8282\u70b9\u90fd\u9700\u8981\u5b89\u88c5\r\nyum install redis -y\r\n\r\n# \u6bcf\u53f0\u673a\u5668\u7684\u54e8\u5175\u8fdb\u7a0b\u90fd\u9700\u8981\u4e00\u4e2a\u54e8\u5175\u7684\u914d\u7f6e\u6587\u4ef6sentinel.conf\uff0c\u4e09\u53f0\u673a\u5668\u7684\u54e8\u5175\u914d\u7f6e\u662f\u4e00\u6837\u7684\u3002\r\n====================\u300b vi \/etc\/redis\/sentinel.conf # \u914d\u7f6e\u9879\u6982\u8ff0\r\n# 1\u3001\u7981\u6b62\u4fdd\u62a4\u6a21\u5f0f\uff0c\u4fdd\u62a4\u6a21\u5f0f\u662f\u589e\u5f3aredis\u5b89\u5168\u9632\u6b62\u672a\u7ecf\u6388\u6743\u7684\u5ba2\u6237\u7aef\u8bbf\u95eeredis\u5b9e\u4f8b\r\nprotected-mode no\r\n# 2\u3001\r\nsentinel monitor &lt;master-name&gt; &lt;ip&gt; &lt;redis-port&gt; &lt;quorum&gt;\r\n# \u5404\u90e8\u5206\u89e3\u91ca\r\n# \uff081\uff09sentinel monitor: \u4ee3\u8868\u76d1\u63a7\r\n# \uff082\uff09&lt;master-name&gt;\uff1amymaster\u4ee3\u8868\u54e8\u5175\u96c6\u7fa4\u7684\u540d\u5b57\uff0c<span style=\"background-color: #ff0000;\">\u5ba2\u6237\u7aef\u8fde\u63a5\u7684\u65f6\u5019\u9700\u8981\u7528\u8fd9\u4e2a\u540d\u5b57<\/span>\u3002\u53ea\u80fd\u7531\u5b57\u6bcdA-z\u3001\u6570\u5b570-9 \u3001\u8fd9\u4e09\u4e2a\u5b57\u7b26\".-_\"\u7ec4\u6210\r\n# \uff083\uff09&lt;ip&gt; &lt;redis-port&gt;\uff1a\u88ab\u76d1\u63a7\u7684\u4e3b\u4ece\u96c6\u7fa4\u4e2d\u4e3b\u8282\u70b9\u7684ip\u4e0eport\r\n# \uff084\uff09&lt;quorum&gt;\uff1a\u5f53quorum\u4e2a\u6570\u7684\u54e8\u5175\u8282\u70b9\u8ba4\u4e3amaster\u4e3b\u8282\u70b9\u5931\u8054 \u90a3\u4e48\u8fd9\u65f6\u5ba2\u89c2\u4e0a\u8ba4\u4e3a\u4e3b\u8282\u70b9\u5931\u8054\u4e86\r\n\r\n# 3\u3001\u5f53\u4e3b\u4ece\u7684master\u5b58\u5728\u5bc6\u7801\u65f6\uff0c\u9700\u8981\u914d\u7f6e\u5bc6\u7801\r\nsentinel auth-pass &lt;master-name&gt; &lt;password&gt; \r\n# \u5404\u90e8\u5206\u89e3\u91ca\r\n# \uff081\uff09&lt;master-name&gt;\uff1a\u662f\u4f60\u7684\u54e8\u5175\u96c6\u7fa4\u540d\u5b57\r\n# \uff082\uff09&lt;password&gt;\uff1a\u662f\u54e8\u5175 sentinel \u8fde\u63a5\u4e3b\u4ece\u7684\u5bc6\u7801\uff0c\u4e0e\u4f60\u5728\u4e3b\u4eceredis.conf\u914d\u7f6e\u7684requirepass\u4fdd\u6301\u4e00\u81f4\r\n# \u8865\u5145\uff1a\u7531\u4e8emaster\u6302\u4e86\u4e4b\u540e\uff0c\u54e8\u5175\u4f1a\u8fdb\u884c\u91cd\u65b0\u7684\u9009\u4e3e\uff0c\u5982\u679cslave\u4e5f\u914d\u7f6e\u4e86\u8fde\u63a5\u5bc6\u7801\uff0c\u90a3\u4e48\u6700\u597d\u5728\u5176\u4ed6\u7684\u8282\u70b9\u90fd\u914d\u7f6e\u4e0a masterauth xxx\uff0c\u4fdd\u8bc1\u6302\u4e86\u7684\u670d\u52a1\u91cd\u542f\u4e4b\u540e\u80fd\u6b63\u5e38\u52a0\u5165\u4e3b\u4ece\u4e2d\u53bb\u3002\r\n\r\n# 4\u3001\u4fee\u6539\u5fc3\u8df3\u68c0\u6d4b\u7684\u4e3b\u89c2\u4e0b\u7ebf\u65f6\u95f4\r\nsentinel down-after-milliseconds &lt;master-name&gt; &lt;milliseconds&gt; # \u5355\u4f4d\u6beb\u79d2\uff0c\u5373\u5343\u5206\u4e4b\u4e00\u79d2\r\n\r\n# 5\u3001\u9ed8\u8ba4\u60c5\u51b5\u4e00\u65e6\u4e3bredis\u8282\u70b9\u53d1\u751f\u6545\u969c\uff0c\u54e8\u5175\u4f1a\u5c06\u6240\u6709\u7684\u4ece\u90fd\u5207\u6362\u5230\u65b0\u4e3b\uff0c\u8fd9\u4e2a\u5207\u6362\u8fc7\u7a0b\u4e2d\uff0c\u6240\u6709\u4ece\u670d\u52a1\u5668\u5c06\u6682\u65f6\u65e0\u6cd5\u63d0\u4f9b\u670d\u52a1\u3002\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e00\u95ee\u9898\uff0c\u5b98\u65b9\u63d0\u4f9b\u4e86\u5982\u4e0b\u8bbe\u7f6e\r\nsentinel parallel-syncs &lt;master-name&gt; &lt;numslaves&gt;\r\n\u5047\u8bbe\u4f60\u67095\u4e2a\u4ece\u670d\u52a1\u5668\uff0c\u6545\u969c\u5207\u6362\u53d1\u751f\u4e4b\u540e\uff0c\u5982\u679cparallel-syncs\u7684&lt;numslaves&gt;\u8bbe\u7f6e\u4e3a3\uff0c\u90a3\u4e48\u5728\u6545\u969c\u5207\u6362\u53d1\u751f\u540e\uff1a\r\n- 1\u3001\u6700\u521d\u76843\u4e2a\u4ece\u670d\u52a1\u5668\u5f00\u59cb\u4e0e\u65b0\u4e3b\u5efa\u7acb\u8fde\u63a5\u5e76\u540c\u6b65\u6570\u636e\u3002\r\n- 2\u3001\u5728\u8fd93\u4e2a\u4ece\u670d\u52a1\u5668\u5b8c\u6210\u540c\u6b65\u5e76\u4f5c\u4e3a\u65b0\u4e3b\u7684\u4ece\u670d\u52a1\u5668\u63d0\u4f9b\u670d\u52a1\u540e\uff0c\u5269\u4e0b\u76842\u4e2a\u4ece\u670d\u52a1\u5668\u5f00\u59cb\u5207\u6362\u8fc7\u7a0b\u3002\r\n- 3\u3001\u8fd92\u4e2a\u4ece\u670d\u52a1\u5668\u65ad\u5f00\u4e0e\u65e7\u4e3b\u7684\u8fde\u63a5\uff0c\u7136\u540e\u5c1d\u8bd5\u4e0e\u65b0\u4e3b\u5efa\u7acb\u8fde\u63a5\u5e76\u540c\u6b65\u6570\u636e\u3002\r\n- 4\u3001\u5f53\u8fd92\u4e2a\u4ece\u670d\u52a1\u5668\u5b8c\u6210\u540c\u6b65\u540e\uff0c\u5b83\u4eec\u4e5f\u5c06\u4f5c\u4e3a\u65b0\u4e3b\u7684\u4ece\u670d\u52a1\u5668\u6062\u590d\u670d\u52a1\u3002\r\n\u901a\u8fc7\u8fd9\u4e2a\u8bbe\u7f6e\uff0c\u4f60\u53ef\u4ee5\u63a7\u5236\u5e76\u53d1\u5207\u6362\u7684\u4ece\u670d\u52a1\u5668\u7684\u6570\u91cf\uff0c\u4fdd\u7559\u4e00\u90e8\u5206\u4ece\u670d\u52a1\u5668\u5728\u5207\u6362\u8fc7\u7a0b\u4e2d\u63d0\u4f9b\u670d\u52a1\uff0c\r\n\u4ece\u800c\u5728\u4e00\u5b9a\u7a0b\u5ea6\u4e0a\u51cf\u8f7b\u7531\u4e8e\u4e3b\u670d\u52a1\u5668\u6545\u969c\u5207\u6362\u5bfc\u81f4\u7684\u670d\u52a1\u4e2d\u65ad\u65f6\u95f4\u3002\u5c24\u5176\u5728\u65b0\u4e3b\u670d\u52a1\u5668\u6570\u636e\u91cf\u5927\uff0c\r\n\u540c\u6b65\u9700\u8981\u8f83\u957f\u65f6\u95f4\u7684\u60c5\u51b5\u4e0b\uff0c\u8fd9\u4e2a\u8bbe\u7f6e\u53ef\u4ee5\u6709\u6548\u5730\u7f13\u89e3\u670d\u52a1\u4e2d\u65ad\u7684\u5f71\u54cd\u3002<\/code><\/pre>\n<p>\u914d\u7f6e\u793a\u4f8b \/etc\/redis\/sentinel.conf # \u5982\u679c\u4f60\u662f\u6e90\u7801\u5b89\u88c5\uff0c\u90a3\u5728\u6e90\u7801\u5305\u89e3\u538b\u76ee\u5f55\u4e0b\u5c31\u6709\u4e00\u4e2a\u6a21\u7248\u914d\u7f6esentinel.conf<\/p>\n<pre><code># \u5b8c\u6574\u914d\u7f6e\u5982\u4e0b\r\ncat &gt; \/usr\/local\/redis\/conf\/sentinel.conf &lt;&lt; 'EOF'\r\n\r\n#1\u3001\u54e8\u5175\u9ed8\u8ba4\u7aef\u53e3\r\nprotected-mode no\r\nbind 0.0.0.0\r\nport 26379\r\n\r\n#2\u3001\u5e38\u89c4\u914d\u7f6e\uff1a\u76ee\u5f55\u8981\u521b\u5efa\u597d\r\ndaemonize yes\r\npidfile \/var\/run\/redis-sentinel.pid\r\nloglevel notice\r\nlogfile \"\/soft\/sentinel\/sentinel.log\"\r\ndir \"\/soft\/sentinel\/data\"\r\n\r\n#3\u3001\u8868\u793a\u914d\u7f6e\u54e8\u5175\uff0c\u67092\u4e2a\u54e8\u5175\u4f5c\u51fa\u540c\u6837\u7684\u51b3\u7b56\uff0c\u624d\u6709\u51b3\u7b56\u6743\r\nsentinel monitor mymaster 192.168.71.101 6379 2\r\n\r\n#4\u3001\u767b\u5f55\u5bc6\u7801\r\nsentinel auth-pass mymaster 123456\r\n\r\n#5\u3001master\u88absentinel\u8ba4\u5b9a\u4e3a\u5931\u6548\u7684\u95f4\u9694\u65f6\u95f4\r\nsentinel down-after-milliseconds mymaster 30000\r\n\r\n#6\u3001\u5269\u4f59\u7684slaves\u91cd\u65b0\u548c\u65b0\u7684master\u505a\u540c\u6b65\u7684\u5e76\u884c\u4e2a\u6570\r\nsentinel parallel-syncs mymaster 2\r\n\r\n#7\u3001\u4e3b\u5907\u5207\u6362\u7684\u8d85\u65f6\u65f6\u95f4\uff0c\u54e8\u5175\u8981\u53bb\u505a\u6545\u969c\u8f6c\u79fb\uff0c\u8fd9\u4e2a\u65f6\u5019\u54e8\u5175\u4e5f\u662f\u4e00\u4e2a\u8fdb\u7a0b\uff0c\u5982\u679c\u4ed6\u6ca1\u6709\u53bb\u6267\u884c\uff0c\u8d85\u8fc7\u8fd9\u4e2a\u65f6\u95f4\u540e\uff0c\u4f1a\u7531\u5176\u4ed6\u7684\u54e8\u5175\u6765\u5904\u7406\r\nsentinel failover-timeout mymaster 180000\r\n\r\n#8\u3001\u5176\u4ed6\u914d\u7f6e\r\nacllog-max-len 128\r\nsentinel deny-scripts-reconfig yes\r\nSENTINEL resolve-hostnames no\r\nSENTINEL announce-hostnames no\r\nSENTINEL master-reboot-down-after-period mymaster 0\r\n\r\nEOF\r\n<\/code><\/pre>\n<p>\u542f\u52a8<\/p>\n<pre><code>#1\u3001\u5148\u521b\u5efa\u597d\u76ee\u5f55\r\nmkdir -p \/soft\/sentinel\/\r\nmkdir -p \/soft\/sentinel\/data\r\n\r\n# 2\u3001\u7136\u540e\u542f\u52a8\r\npkill -9 redis-sentinel\r\nredis-sentinel \/usr\/local\/redis\/conf\/sentinel.conf # \u56e0\u4e3a\u6211\u4eec\u8bbe\u7f6e\u4e86daemonize yes\u6240\u4ee5\u53ef\u4ee5\u76f4\u63a5\u542f\u52a8\r\n\r\n# 3\u3001\u67e5\u770b\u7aef\u53e3\u76d1\u542c\u60c5\u51b5\r\n[root@m01 ~]# netstat -an |grep 26379\r\ntcp        0      0 0.0.0.0:26379           0.0.0.0:*               LISTEN     \r\ntcp6       0      0 :::26379                :::*                    LISTEN\r\n\r\n# 4\u3001\u67e5\u770b\u65e5\u5fd7\r\ntail -f \/soft\/sentinel\/sentinel.log\r\n\r\n# 5\u3001\u4f60\u53ef\u4ee5\u505c\u6389\u4e3b\u5e93\uff0c\u505a\u6d4b\u8bd5\uff0c\u4f1a\u53d1\u73b030s\u5c31\u4f1a\u5224\u5b9aok\u5b8c\u6210\u81ea\u52a8\u9009\u4e3b <strong><span style=\"background-color: #ff0000;\">\uff0c\u56e0\u4e3a\u6211\u4eec\u8bbe\u7f6e\u7684\u5224\u5b9a\u65f6\u95f4\u5c31\u662f30s<\/span><\/strong><\/code><\/pre>\n<div  class='collapse-block shadow-sm collapse-block-transparent collapsed hide-border-left'><div class='collapse-block-title'><span class='collapse-block-title-inner'>python\u4ee3\u7801\u8fde\u63a5\u54e8\u5175\u6765\u8fdb\u884c\u64cd\u4f5c<\/span><i class='collapse-icon fa fa-angle-down'><\/i><\/div><div class='collapse-block-body' style='display:none;'><\/p>\n<pre class=\"code\"># pip3 install redis  # \u5b89\u88c5\u5b8c\u5c31\u53ef\u4ee5\u7528redis.sentinel\u4e86\r\nfrom redis.sentinel import Sentinel\r\n\r\n# \u914d\u7f6e\u54e8\u5175(Sentinels)\u7684\u5730\u5740\u548c\u7aef\u53e3\uff0c\u8fd9\u91cc\u4e3a\u4e86\u6f14\u793a\uff0c\u914d\u7f6e\u4e863\u4e2a\u54e8\u5175\r\nsentinels = [('192.168.71.101', 26379), ('192.168.71.102', 26379),('192.168.71.103', 26379)]\r\n\r\n# \u521b\u5efaSentinel\u5b9e\u4f8b\u3002socket_timeout\u662f\u8fde\u63a5\u8d85\u65f6\u65f6\u95f4\r\nsentinel = Sentinel(sentinels, socket_timeout=2000)\r\n\r\n# \u83b7\u53d6\u4e3b\u8282\u70b9\u7684\u8fde\u63a5\u5bf9\u8c61,\u5176\u4e2d'mymaster'\u662f\u4f60\u7684\u54e8\u5175\u914d\u7f6e\u4e2d\u5b9a\u4e49\u7684\u54e8\u5175\u96c6\u7fa4\u540d\u5b57\r\nmaster = sentinel.master_for('mymaster', socket_timeout=2000, db=0, password=\"123456\")\r\n\r\n# \u83b7\u53d6\u4ece\u8282\u70b9\u7684\u8fde\u63a5\u5bf9\u8c61\r\nslave = sentinel.slave_for('mymaster', socket_timeout=2000, db=0, password=\"123456\")\r\n\r\n# \u5728\u4e3b\u8282\u70b9\u4e0a\u6267\u884c\u5199\u64cd\u4f5c(\u4f60\u7684\u4e3b\u4ece\u53d1\u9001\u5207\u6362\uff0cmaster\u5e95\u5c42\u4f1a\u81ea\u52a8\u53d8\uff0c\u4e0d\u9700\u8981\u4f60\u5173\u5fc3master\u53d8\u6210\u4e86\u8c01)\r\nmaster.set('mykey', 'myvalue')\r\n\r\n# \u5728\u4ece\u8282\u70b9\u4e0a\u6267\u884c\u8bfb\u64cd\u4f5c\r\nvalue = slave.get('mykey')\r\nprint(value)  # \u5e94\u5f53\u8f93\u51fa: myvalue\r\n<\/pre>\n<p><\/div><\/div>\n<h2>3.3\u3001\u54e8\u5175\u5de5\u4f5c\u539f\u7406<\/h2>\n<p>\u54e8\u5175\u662f\u4e00\u4e2a\u5206\u5e03\u5f0f\u7cfb\u7edf\uff0c\u53ef\u4ee5\u5728\u4e00\u4e2a\u67b6\u6784\u4e2d\u8fd0\u884c\u591a\u4e2a\u54e8\u5175\u8fdb\u7a0b\uff0c\u8fd9\u4e9b\u8fdb\u7a0b\u4f7f\u7528\u6d41\u8a00\u534f\u8bae(gossip protocols)\u6765\u4f20\u64adMaster\u662f\u5426\u4e0b\u7ebf\u7684\u4fe1\u606f\uff0c\u5e76\u4f7f\u7528\u6295\u7968\u534f\u8bae(agreement protocols)\u6765\u51b3\u5b9a\u662f\u5426\u6267\u884c\u81ea\u52a8\u6545\u969c\u8fc1\u79fb\uff0c\u4ee5\u53ca\u9009\u62e9\u54ea\u4e2aSlave\u4f5c\u4e3a\u65b0\u7684Master\u3002\u5177\u4f53\u5de5\u4f5c\u539f\u7406\u4e0b\u9762\u8bb2\u8ff0\u3002<\/p>\n<h4>\uff081\uff09\u5fc3\u8df3\u68c0\u6d4b\u673a\u5236<\/h4>\n<ol>\n<li>Sentinel \u4e0e Redis Node\u7684\u5173\u7cfb<br \/>\nRedis Sentinel \u54e8\u5175\u8282\u70b9 \u662f\u4e00\u4e2a\u7279\u6b8a\u7684 Redis \u8282\u70b9\u3002\u5728\u54e8\u5175\u6a21\u5f0f\u521b\u5efa\u65f6\uff0c\u9700\u8981\u901a\u8fc7\u914d\u7f6e\u6307\u5b9a Sentinel \u4e0e Redis Master Node \u4e4b\u95f4\u7684\u5173\u7cfb\uff0c\u7136\u540e Sentinel \u4f1a\u4ece\u4e3b\u8282\u70b9\u4e0a\u83b7\u53d6\u6240\u6709\u4ece\u8282\u70b9\u7684\u4fe1\u606f\uff0c\u4e4b\u540e Sentinel \u4f1a\u5b9a\u65f6\u5411\u4e3b\u8282\u70b9\u548c\u4ece\u8282\u70b9\u53d1\u9001 info \u547d\u4ee4\u83b7\u53d6\u5176\u62d3\u6251\u7ed3\u6784\u548c\u72b6\u6001\u4fe1\u606f\u3002<\/li>\n<li>Sentinel\u4e0eSentinel\u4e4b\u95f4\u662f\u5982\u4f55\u6c9f\u901a\u7684<br \/>\n\u7b54\uff1a\u57fa\u4e8e Redis \u7684\u8ba2\u9605\u53d1\u5e03\u529f\u80fd\uff0c \u6bcf\u4e2a Sentinel \u8282\u70b9\u4f1a\u5411\u4e3b sentinel\uff1ahello \u9891\u9053\u4e0a\u53d1\u9001\u8be5 Sentinel \u8282\u70b9\u5bf9\u4e8eredis master node\u7684\u5224\u65ad\u4ee5\u53ca\u5f53\u524d Sentinel \u8282\u70b9\u7684\u4fe1\u606f \uff0c\u540c\u65f6\u6bcf\u4e2a Sentinel \u8282\u70b9\u4e5f\u4f1a\u8ba2\u9605\u8be5\u9891\u9053\uff0c \u6765\u83b7\u53d6\u5176\u4ed6 Sentinel \u8282\u70b9\u7684\u4fe1\u606f\u4ee5\u53ca\u5b83\u4eec\u5bf9redis master node\u7684\u5224\u65ad\u3002<\/li>\n<\/ol>\n<p>\u901a\u8fc7\u4ee5\u4e0a\u4e24\u6b65\u6240\u6709\u7684 Sentinel \u8282\u70b9\u4ee5\u53ca\u5b83\u4eec\u4e0e\u6240\u6709\u7684 Redis \u8282\u70b9\u4e4b\u95f4\u90fd\u5df2\u7ecf\u5f7c\u6b64\u611f\u77e5\u5230\uff0c\u4e4b\u540e\u6bcf\u4e2a Sentinel \u8282\u70b9\u4f1a\u5411\u4e3b\u8282\u70b9\u3001\u4ece\u8282\u70b9\u3001\u4ee5\u53ca\u5176\u4f59 Sentinel \u8282\u70b9\u5b9a\u65f6\u53d1\u9001 ping \u547d\u4ee4\u4f5c\u4e3a\u5fc3\u8df3\u68c0\u6d4b\uff0c \u6765\u786e\u8ba4\u8fd9\u4e9b\u8282\u70b9\u662f\u5426\u53ef\u8fbe\u3002<\/p>\n<h4>\uff082\uff09\u5224\u65admaster\u8282\u70b9\u662f\u5426\u4e0b\u7ebf<\/h4>\n<ol>\n<li>\u6bcf\u4e2aSentinel\u6bcf\u79d2\u4e00\u6b21\u5411\u6240\u6709\u4e0e\u5b83\u5efa\u7acb\u4e86\u547d\u4ee4\u8fde\u63a5\u7684\u5b9e\u4f8b(\u4e3b\u670d\u52a1\u5668\u3001\u4ece\u670d\u52a1\u5668\u548c\u5176\u4ed6Sentinel)\u53d1\u9001PING\u547d\u4ee4\uff0c\u4f5c\u7528\u662f\u901a\u8fc7\u5fc3\u8df3\u68c0\u6d4b\uff0c\u68c0\u6d4b\u4e3b\u4ece\u670d\u52a1\u5668\u7684\u7f51\u7edc\u8fde\u63a5\u72b6\u6001\u3002<\/li>\n<li>\u5982\u679c master \u8282\u70b9\u56de\u590d PING \u547d\u4ee4\u7684\u65f6\u95f4\u8d85\u8fc7 down-after-milliseconds \u8bbe\u5b9a\u7684\u9608\u503c\uff08\u9ed8\u8ba430s\uff09\uff0c\u5219\u8fd9\u4e2a master \u4f1a\u88ab sentinel \u6807\u8bb0\u4e3a\u4e3b\u89c2\u4e0b\u7ebf\uff0c\u4fee\u6539\u5176 flags \u72b6\u6001\u4e3aSRI_S_DOWN\u3002<\/li>\n<li>\u5f53sentinel \u54e8\u5175\u8282\u70b9\u5c06 master \u6807\u8bb0\u4e3a\u4e3b\u89c2\u4e0b\u7ebf\u540e\uff0c\u4f1a\u5411\u5176\u4f59\u6240\u6709\u7684 sentinel \u53d1\u9001sentinel is-master-down-by-addr\u6d88\u606f\uff0c\u8be2\u95ee\u5176\u4ed6sentinel\u662f\u5426\u540c\u610f\u8be5master\u4e0b\u7ebf\u3002\n<pre><code>SENTINEL is-master-down-by-addr &lt;ip&gt; &lt;port&gt; &lt;current_epoch&gt; &lt;runid&gt;\r\n# ip\uff1a\u4e3b\u89c2\u4e0b\u7ebf\u7684\u670d\u52a1ip\r\n# port\uff1a\u4e3b\u89c2\u4e0b\u7ebf\u7684\u670d\u52a1\u7aef\u53e3\r\n# current_epoch\uff1asentinel\u7684\u7eaa\u5143\r\n# runid\uff1a*\u8868\u793a\u68c0\u6d4b\u670d\u52a1\u4e0b\u7ebf\u72b6\u6001\uff0c\u5982\u679c\u662fsentinel\u7684\u8fd0\u884cid\uff0c\u8868\u793a\u7528\u6765\u9009\u4e3e\u9886\u5934sentinel<\/code><\/pre>\n<\/li>\n<li>\u6bcf\u4e2asentinel\u6536\u5230\u547d\u4ee4\u4e4b\u540e\uff0c\u4f1a\u6839\u636e\u53d1\u9001\u8fc7\u6765\u7684 ip\u548cport \u68c0\u67e5\u81ea\u5df1\u5224\u65ad\u7684\u7ed3\u679c\uff0c\u56de\u590d\u81ea\u5df1\u662f\u5426\u8ba4\u4e3a\u8be5master\u8282\u70b9\u5df2\u7ecf\u4e0b\u7ebf\u4e86\u3002\n<pre><code>&lt;down_state&gt;&lt; leader_runid &gt;&lt; leader_epoch &gt;\r\n# down_state\uff081\u8868\u793a\u5df2\u4e0b\u7ebf\uff0c0\u8868\u793a\u672a\u4e0b\u7ebf\uff09\r\n# leader_runid\uff08\u9886\u5934sentinal id\uff09\r\n#leader_epoch\uff08\u9886\u5934sentinel\u7eaa\u5143\uff09<\/code><\/pre>\n<\/li>\n<li>sentinel\u6536\u5230\u56de\u590d\u4e4b\u540e\uff0c\u5982\u679c\u540c\u610fmaster\u8282\u70b9\u8fdb\u5165\u4e3b\u89c2\u4e0b\u7ebf\u7684sentinel\u6570\u91cf\u5927\u4e8e\u7b49\u4e8equorum\uff0c\u5219master\u4f1a\u88ab\u6807\u8bb0\u4e3a\u5ba2\u89c2\u4e0b\u7ebf\uff0c\u5373\u8ba4\u4e3a\u8be5\u8282\u70b9\u5df2\u7ecf\u4e0d\u53ef\u7528\u3002<\/li>\n<li>\u5728\u4e00\u822c\u60c5\u51b5\u4e0b\uff0c\u6bcf\u4e2a Sentinel \u6bcf\u9694 10s \u5411\u6240\u6709\u7684Master\uff0cSlave\u53d1\u9001 INFO \u547d\u4ee4\u3002\u5f53Master \u88ab Sentinel \u6807\u8bb0\u4e3a\u5ba2\u89c2\u4e0b\u7ebf\u65f6\uff0cSentinel \u5411\u4e0b\u7ebf\u7684 Master \u7684\u6240\u6709 Slave \u53d1\u9001 INFO \u547d\u4ee4\u7684\u9891\u7387\u4f1a\u4ece 10 \u79d2\u4e00\u6b21\u6539\u4e3a\u6bcf\u79d2\u4e00\u6b21\u3002\u4f5c\u7528\uff1a\u53d1\u73b0\u6700\u65b0\u7684\u96c6\u7fa4\u62d3\u6251\u7ed3\u6784\u3002<\/li>\n<\/ol>\n<h4>\uff083\uff09\u57fa\u4e8eRaft\u534f\u8bae\u7684\u54e8\u5175leader\u9009\u4e3e<\/h4>\n<p>\u5230\u73b0\u5728\u4e3a\u6b62\uff0c\u5df2\u7ecf\u77e5\u9053\u4e86master\u5ba2\u89c2\u4e0b\u7ebf\uff0c\u90a3\u5c31\u9700\u8981\u4e00\u4e2asentinel\u6765\u8d1f\u8d23\u6545\u969c\u8f6c\u79fb\uff0c\u90a3\u5230\u5e95\u662f\u54ea\u4e2asentinel\u8282\u70b9\u6765\u505a\u8fd9\u4ef6\u4e8b\u5462\uff1f\u9700\u8981\u901a\u8fc7\u9009\u4e3e\u5b9e\u73b0\uff0c\u5177\u4f53\u7684\u9009\u4e3e\u8fc7\u7a0b\u5982\u4e0b\uff1a<\/p>\n<ol>\n<li>\u5224\u65ad\u5ba2\u89c2\u4e0b\u7ebf\u7684sentinel\u8282\u70b9\u5411\u5176\u4ed6 sentinel \u8282\u70b9\u53d1\u9001 SENTINEL is-master-down-by-addr ip port current_epoch runid\uff1b\uff08\u6ce8\u610f\uff1a\u8fd9\u65f6\u7684runid\u662f\u81ea\u5df1\u7684run id\uff0c\u6bcf\u4e2asentinel\u8282\u70b9\u90fd\u6709\u4e00\u4e2a\u81ea\u5df1\u8fd0\u884c\u65f6id\uff09<\/li>\n<li>\u76ee\u6807sentinel\u56de\u590d\u662f\u5426\u540c\u610fmaster\u4e0b\u7ebf\u5e76\u9009\u4e3e\u9886\u5934sentinel\uff0c\u9009\u62e9\u9886\u5934sentinel\u7684\u8fc7\u7a0b\u7b26\u5408\u5148\u5230\u5148\u5f97\u7684\u539f\u5219\u3002\u4e3e\u4f8b\uff1asentinel1\u5224\u65ad\u4e86\u5ba2\u89c2\u4e0b\u7ebf\uff0c\u5411sentinel2\u53d1\u9001\u4e86\u7b2c\u4e00\u6b65\u4e2d\u7684\u547d\u4ee4\uff0csentinel2\u56de\u590d\u4e86sentinel1\uff0c\u8bf4\u9009\u4f60\u4e3a\u9886\u5934\uff0c\u8fd9\u65f6\u5019sentinel3\u4e5f\u5411sentinel2\u53d1\u9001\u7b2c\u4e00\u6b65\u7684\u547d\u4ee4\uff0csentinel2\u4f1a\u76f4\u63a5\u62d2\u7edd\u56de\u590d\uff1b<\/li>\n<li>\u5f53sentinel\u53d1\u73b0\u9009\u81ea\u5df1\u7684\u8282\u70b9\u4e2a\u6570\u8d85\u8fc7 majority \u7684\u4e2a\u6570\u7684\u65f6\u5019\uff0c\u81ea\u5df1\u5c31\u662f\u9886\u5934\u8282\u70b9\uff1b<\/li>\n<li>\u5982\u679c\u6ca1\u6709\u4e00\u4e2asentinel\u8fbe\u5230\u4e86majority\u7684\u6570\u91cf\uff0c\u7b49\u4e00\u6bb5\u65f6\u95f4\uff0c\u91cd\u65b0\u9009\u4e3e\u3002<\/li>\n<\/ol>\n<h4>\uff084\uff09\u6545\u969c\u8f6c\u79fb<\/h4>\n<p>\u6709\u4e86\u9886\u5934sentinel\u4e4b\u540e\uff0c\u4e0b\u9762\u5c31\u662f\u8981\u505a\u6545\u969c\u8f6c\u79fb\u4e86\uff0c\u6545\u969c\u8f6c\u79fb\u7684\u4e00\u4e2a\u4e3b\u8981\u95ee\u9898\u548c\u9009\u62e9\u9886\u5934sentinel\u95ee\u9898\u5dee\u4e0d\u591a\uff0c\u5230\u5e95\u8981\u9009\u62e9\u54ea\u4e00\u4e2aslaver\u8282\u70b9\u6765\u4f5c\u4e3amaster\u5462\uff1f\u6309\u7167\u6211\u4eec\u4e00\u822c\u7684\u5e38\u8bc6\uff0c\u6211\u4eec\u4f1a\u8ba4\u4e3a\u54ea\u4e2aslave\u8282\u70b9\u4e2d\u7684\u6570\u636e\u548cmaster\u4e2d\u7684\u6570\u636e\u76f8\u8bc6\u5ea6\u9ad8\u54ea\u4e2aslaver\u5c31\u662fmaster\u4e86\uff0c\u5176\u5b9e\u54e8\u5175\u6a21\u5f0f\u4e5f\u5dee\u4e0d\u591a\u662f\u8fd9\u6837\u5224\u65ad\u7684\uff0c\u4e0d\u8fc7\u8fd8\u6709\u522b\u7684\u5224\u65ad\u6761\u4ef6\uff0c\u8be6\u7ec6\u4ecb\u7ecd\u5982\u4e0b\uff1a<\/p>\n<ol>\n<li>\u5728\u8fdb\u884c\u9009\u62e9\u4e4b\u524d\u9700\u8981\u5148\u5254\u9664\u6389\u4e00\u4e9b\u4e0d\u6ee1\u8db3\u6761\u4ef6\u7684slaver\uff0c\u8fd9\u4e9bslaver\u4e0d\u4f1a\u4f5c\u4e3a\u53d8\u6210master\u7684\u5907\u9009\uff1b\n<ul>\n<li>\u5254\u9664\u5217\u8868\u4e2d\u5df2\u7ecf\u4e0b\u7ebf\u7684\u4ece\u670d\u52a1<\/li>\n<li>\u5254\u9664\u67095s\u6ca1\u6709\u56de\u590dsentinel\u7684info\u547d\u4ee4\u7684slave<\/li>\n<li>\u5254\u9664\u4e0e\u5df2\u7ecf\u4e0b\u7ebf\u7684\u4e3b\u670d\u52a1\u8fde\u63a5\u65ad\u5f00\u65f6\u95f4\u8d85\u8fc7 down-after-milliseconds * 10 + master\u5b95\u673a\u65f6\u957f \u7684slaver<\/li>\n<\/ul>\n<\/li>\n<li>\u9009\u4e3b\n<ul>\n<li>\u9009\u62e9\u4f18\u5148\u7ea7\u6700\u9ad8\u7684\u8282\u70b9\uff0c\u901a\u8fc7sentinel\u914d\u7f6e\u6587\u4ef6\u4e2d\u7684replica-priority\u914d\u7f6e\u9879\uff0c\u8fd9\u4e2a\u53c2\u6570\u8d8a\u5c0f\uff0c\u8868\u793a\u4f18\u5148\u7ea7\u8d8a\u9ad8<\/li>\n<li>\u5982\u679c\u7b2c\u4e00\u6b65\u4e2d\u7684\u4f18\u5148\u7ea7\u76f8\u540c\uff0c\u9009\u62e9offset\u6700\u5927\u7684\uff0coffset\u8868\u793a\u4e3b\u8282\u70b9\u5411\u4ece\u8282\u70b9\u540c\u6b65\u6570\u636e\u7684\u504f\u79fb\u91cf\uff0c\u8d8a\u5927\u8868\u793a\u540c\u6b65\u7684\u6570\u636e\u8d8a\u591a<\/li>\n<li>\u5982\u679c\u7b2c\u4e8c\u6b65offset\u4e5f\u76f8\u540c\uff0c\u9009\u62e9run id\u8f83\u5c0f\u7684<\/li>\n<\/ul>\n<\/li>\n<li>\u6545\u969c\u8f6c\u79fb\uff0c\u5f53\u9009\u4e3e\u51faLeader Sentinel\u540e\uff0cLeader Sentinel\u4f1a\u5bf9\u4e0b\u7ebf\u7684\u4e3b\u670d\u52a1\u5668\u6267\u884c\u6545\u969c\u8f6c\u79fb\u64cd\u4f5c\uff0c\u4e3b\u8981\u6709\u4e09\u4e2a\u6b65\u9aa4\uff1a\n<ul>\n<li>\u5b83\u4f1a\u5c06\u5931\u6548 Master \u7684\u5176\u4e2d\u4e00\u4e2a Slave \u5347\u7ea7\u4e3a\u65b0\u7684 Master,\u5e76\u8ba9\u5931\u6548 Master\u7684\u5176\u4ed6 Slave \u6539\u4e3a\u590d\u5236\u65b0\u7684 Master\uff1b<\/li>\n<li>\u5f53\u5ba2\u6237\u7aef\u8bd5\u56fe\u8fde\u63a5\u5931\u6548\u7684 Master \u65f6\uff0c\u96c6\u7fa4\u4e5f\u4f1a\u5411\u5ba2\u6237\u7aef\u8fd4\u56de\u65b0 Master \u7684\u5730\u5740\uff0c\u4f7f\u5f97\u96c6\u7fa4\u53ef\u4ee5\u4f7f\u7528\u73b0\u5728\u7684 Master \u66ff\u6362\u5931\u6548 Master\uff1b<\/li>\n<li>Master \u548c Slave \u670d\u52a1\u5668\u5207\u6362\u540e\uff0c Master \u7684 redis.conf \u3001 Slave \u7684 redis.conf \u548csentinel.conf \u7684\u914d\u7f6e\u6587\u4ef6\u7684\u5185\u5bb9\u90fd\u4f1a\u53d1\u751f\u76f8\u5e94\u7684\u6539\u53d8\uff0c\u5373\uff0c Master \u4e3b\u670d\u52a1\u5668\u7684 redis.conf\u914d\u7f6e\u6587\u4ef6\u4e2d\u4f1a\u591a\u4e00\u884c replicaof \u7684\u914d\u7f6e\uff0c sentinel.conf \u7684\u76d1\u63a7\u76ee\u6807\u4f1a\u968f\u4e4b\u8c03\u6362\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h2>3.4 \u603b\u7ed3\u54e8\u5175<\/h2>\n<p>\u4f18\u70b9<\/p>\n<ul>\n<li>\u54e8\u5175\u6a21\u5f0f\u662f\u57fa\u4e8e\u4e3b\u4ece\u6a21\u5f0f\u7684\uff0c\u6240\u4ee5\uff0c\u4e3b\u4ece\u6709\u7684\u4f18\u70b9\uff0c\u54e8\u5175\u6a21\u5f0f\u90fd\u5177\u6709\uff0c\u54e8\u5175\u53ea\u662f\u5728\u5b83\u7684\u57fa\u7840\u4e0a\u52a0\u4e86\u54e8\u5175\u96c6\u7fa4<\/li>\n<li>\u4e3b\u4ece\u53ef\u4ee5\u81ea\u52a8\u5207\u6362\uff0c\u7cfb\u7edf\u66f4\u5065\u58ee\uff0c\u53ef\u7528\u6027\u66f4\u9ad8\u3002<\/li>\n<\/ul>\n<p>\u7f3a\u70b9<\/p>\n<ul>\n<li>\u5177\u6709\u4e3b\u4ece\u6a21\u5f0f\u7684\u7f3a\u70b9\uff0c\u6bcf\u53f0\u673a\u5668\u4e0a\u7684\u6570\u636e\u662f\u4e00\u6837\u7684\uff0c\u5185\u5b58\u7684\u53ef\u7528\u6027\u8f83\u4f4e\u3002<\/li>\n<li>Redis \u8f83\u96be\u652f\u6301\u5728\u7ebf\u6269\u5bb9\uff0c\u5728\u96c6\u7fa4\u5bb9\u91cf\u8fbe\u5230\u4e0a\u9650\u65f6\u5728\u7ebf\u6269\u5bb9\u4f1a\u53d8\u5f97\u5f88\u590d\u6742\u3002<\/li>\n<\/ul>\n<h1>\u56db\u3001\u96c6\u7fa4\u6a21\u5f0f<\/h1>\n<h2>4.1 \u4ecb\u7ecd<\/h2>\n<p>1\u3001\u96c6\u7fa4\u6a21\u5f0f\u4ecb\u7ecd<\/p>\n<blockquote><p>Redis \u7684\u54e8\u5175\u6a21\u5f0f\u57fa\u672c\u5df2\u7ecf\u53ef\u4ee5\u5b9e\u73b0\u9ad8\u53ef\u7528\uff0c\u8bfb\u5199\u5206\u79bb \uff0c\u4f46\u662f\u5728\u8fd9\u79cd\u6a21\u5f0f\u4e0b\u6bcf\u53f0 Redis \u670d\u52a1\u5668\u90fd\u5b58\u50a8\u76f8\u540c\u7684\u6570\u636e\uff0c\u5f88\u6d6a\u8d39\u5185\u5b58\uff0c\u6240\u4ee5\u5728 redis3.0 \u4e0a\u52a0\u5165\u4e86 Cluster \u96c6\u7fa4\u6a21\u5f0f\uff0c\u5b9e\u73b0\u4e86 Redis \u7684\u5206\u5e03\u5f0f\u5b58\u50a8\uff0c\u5bf9\u6570\u636e\u8fdb\u884c\u5206\u7247\uff0c\u4e5f\u5c31\u662f\u8bf4\u6bcf\u53f0 Redis \u8282\u70b9\u4e0a\u5b58\u50a8\u4e0d\u540c\u7684\u5185\u5bb9\uff1b<br \/>\n<div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/egonlin.com\/wp-content\/uploads\/2024\/04\/image-1712760680886.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/egonlin.com\/wp-content\/uploads\/2024\/04\/image-1712760680886.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"file\" \/><\/div><\/p><\/blockquote>\n<p>2\u3001\u96c6\u7fa4\u6a21\u5f0f\u5de5\u4f5c\u539f\u7406<\/p>\n<blockquote><p>Cluster\u6a21\u5f0f\u662fRedis\u7684\u4e00\u79cd\u9ad8\u7ea7\u96c6\u7fa4\u6a21\u5f0f\uff0c\u5b83\u901a\u8fc7\u6570\u636e\u5206\u7247\u548c\u5206\u5e03\u5f0f\u5b58\u50a8\u5b9e\u73b0\u4e86\u8d1f\u8f7d\u5747\u8861\u548c\u9ad8\u53ef\u7528\u6027\u3002\u5728Cluster\u6a21\u5f0f\u4e0b\uff0cRedis\u5c06\u6240\u6709\u7684\u952e\u503c\u5bf9\u6570\u636e\u5206\u6563\u5728\u591a\u4e2a\u8282\u70b9\u4e0a\u3002\u6bcf\u4e2a\u8282\u70b9\u8d1f\u8d23\u4e00\u90e8\u5206\u6570\u636e\uff0c\u79f0\u4e3a\u69fd\u4f4d\u3002\u901a\u8fc7\u5bf9\u6570\u636e\u7684\u5206\u7247\uff0cCluster\u6a21\u5f0f\u53ef\u4ee5\u7a81\u7834\u5355\u8282\u70b9\u7684\u5185\u5b58\u9650\u5236\uff0c\u5b9e\u73b0\u66f4\u5927\u89c4\u6a21\u7684\u6570\u636e\u5b58\u50a8\u3002<\/p><\/blockquote>\n<p>3\u3001\u6570\u636e\u5206\u7247\u4e0e\u69fd\u4f4d<\/p>\n<blockquote><p>Redis Cluster\u5c06\u6570\u636e\u5206\u4e3a16384\u4e2a\u69fd\u4f4d\uff0c\u6bcf\u4e2a\u8282\u70b9\u8d1f\u8d23\u7ba1\u7406\u4e00\u90e8\u5206\u69fd\u4f4d\u3002\u5f53\u5ba2\u6237\u7aef\u5411Redis Cluster\u53d1\u9001\u8bf7\u6c42\u65f6\uff0cCluster\u4f1a\u6839\u636e\u952e\u7684\u54c8\u5e0c\u503c\u5c06\u8bf7\u6c42\u8def\u7531\u5230\u76f8\u5e94\u7684\u8282\u70b9\u3002\u5177\u4f53\u6765\u8bf4\uff0cRedis Cluster\u4f7f\u7528CRC16\u7b97\u6cd5\u8ba1\u7b97\u952e\u7684\u54c8\u5e0c\u503c\uff0c\u7136\u540e\u5bf916384\u53d6\u6a21\uff0c\u5f97\u5230\u69fd\u4f4d\u7f16\u53f7\u3002<\/p><\/blockquote>\n<p>4\u3001\u4e3b\u8d1f\u8d23\u8bfb\u5199\u548c\u5199\uff0c\u4ece\u5e93\u53ea\u8d1f\u8d23\u5907\u4efd<br \/>\n\u5728redis\u7684\u5b98\u65b9\u6587\u6863\u4e2d\uff0c\u5bf9redis-cluster\u67b6\u6784\u4e0a\uff0c\u6709\u8fd9\u6837\u7684\u8bf4\u660e\uff1a\u5728cluster\u67b6\u6784\u4e0b\uff0c\u9ed8\u8ba4\u7684\uff0c\u4e00\u822credis-master\u7528\u4e8e\u63a5\u6536\u8bfb\u5199\uff0c\u800credis-slave\u5219\u7528\u4e8e\u5907\u4efd\uff0c\u5f53\u6709\u8bf7\u6c42\u662f\u5728\u5411slave\u53d1\u8d77\u65f6\uff0c\u4f1a\u76f4\u63a5\u91cd\u5b9a\u5411\u5230\u5bf9\u5e94key\u6240\u5728\u7684master\u6765\u5904\u7406<\/p>\n<p>5\u3001\u5ba2\u6237\u7aef\u7a0b\u5e8f\u5982\u4f55\u94fe\u63a5redis\u96c6\u7fa4\uff1f<\/p>\n<blockquote><p>\u5bf9\u5ba2\u6237\u7aef\u6765\u8bf4\uff0c\u6574\u4e2a cluster \u88ab\u770b\u505a\u662f\u4e00\u4e2a\u6574\u4f53\uff0c\u5ba2\u6237\u7aef\u53ef\u4ee5\u8fde\u63a5\u4efb\u610f\u4e00\u4e2a node \u8fdb\u884c\u64cd\u4f5c,\u63a5\u5165\u4efb\u4f55\u4e00\u4e2a\u5b9e\u4f8b\u5c31\u76f8\u5f53\u4e8e\u63a5\u5165\u4e86\u6574\u4e2a\u96c6\u7fa4\uff0c\u5c31\u50cf\u64cd\u4f5c\u5355\u4e00 Redis \u5b9e\u4f8b\u4e00\u6837\uff0c\u5f53\u5ba2\u6237\u7aef\u64cd\u4f5c\u7684 key \u6ca1\u6709\u5206\u914d\u5230\u8be5 node \u4e0a\u65f6\uff0cRedis \u4f1a\u8fd4\u56de\u8f6c\u5411\u6307\u4ee4\uff0c\u6307\u5411\u6b63\u786e\u7684 node\uff0c\u8fd9\u6709\u70b9\u513f\u50cf\u6d4f\u89c8\u5668\u9875\u9762\u7684 302 redirect \u8df3\u8f6c\u3002<\/p><\/blockquote>\n<h2>4.2 \u914d\u7f6e\u793a\u4f8b<\/h2>\n<p>\u6839\u636e\u5b98\u65b9\u63a8\u8350\uff0c\u96c6\u7fa4\u90e8\u7f72\u81f3\u5c11\u8981 3 \u53f0\u4ee5\u4e0a\u7684 master \u8282\u70b9\uff0c\u6700\u597d\u4f7f\u7528 3 \u4e3b 3 \u4ece\u516d\u4e2a\u8282\u70b9\u7684\u6a21\u5f0f<\/p>\n<p>\u627e\u516d\u53f0\u673a\u5668<\/p>\n<table>\n<thead>\n<tr>\n<th>\u673a\u5668\u540d\u79f0<\/th>\n<th>IP<\/th>\n<th>\u7aef\u53e3<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>master1<\/td>\n<td>192.168.71.11<\/td>\n<td>6379<\/td>\n<\/tr>\n<tr>\n<td>master2<\/td>\n<td>192.168.71.12<\/td>\n<td>6379<\/td>\n<\/tr>\n<tr>\n<td>master3<\/td>\n<td>192.168.71.13<\/td>\n<td>6379<\/td>\n<\/tr>\n<tr>\n<td>slave1<\/td>\n<td>192.168.71.14<\/td>\n<td>6379<\/td>\n<\/tr>\n<tr>\n<td>slave2<\/td>\n<td>192.168.71.16<\/td>\n<td>6379<\/td>\n<\/tr>\n<tr>\n<td>slave3<\/td>\n<td>192.168.71.17<\/td>\n<td>6379<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u6240\u6709\u8282\u70b9<\/p>\n<pre><code>setenforce 0\r\nsystemctl stop firewalld\r\nyum install redis -y<\/code><\/pre>\n<p>\u4e00\u3001\u5f00\u542f\u96c6\u7fa4\u6a21\u5f0f\uff1a\u6bcf\u53f0\u673a\u5668\u5747\u914d\u7f6e\u5982\u4e0b<\/p>\n<pre><code>daemonize yes\r\nbind 0.0.0.0\r\nprotected-mode no\r\n# \u5f00\u542f\u96c6\u7fa4\u6a21\u5f0f\r\ncluster-enabled yes\r\n\r\n# \u8282\u70b9\u8d85\u65f6\u65f6\u95f4\r\ncluster-node-timeout 15000<\/code><\/pre>\n<p>\u4e8c\u3001\u521b\u5efa\u96c6\u7fa4\uff1a<br \/>\n6 \u4e2a Redis \u670d\u52a1\u5206\u522b\u542f\u52a8\u6210\u529f\u4e4b\u540e\uff0c\u8fd9\u65f6\u867d\u7136\u914d\u7f6e\u4e86\u96c6\u7fa4\u5f00\u542f\uff0c\u4f46\u662f\u8fd9\u516d\u53f0\u673a\u5668\u8fd8\u662f\u72ec\u7acb\u7684\u3002\u4f7f\u7528\u96c6\u7fa4\u7ba1\u7406\u547d\u4ee4\u5c06\u8fd9 6 \u53f0\u673a\u5668\u6dfb\u52a0\u5230\u4e00\u4e2a\u96c6\u7fa4\u4e2d\u3002<\/p>\n<pre><code>redis-cli --cluster create 192.168.71.11:6379 192.168.71.12:6379 192.168.71.13:6379 192.168.71.14:6379 192.168.71.16:6379 192.168.71.17:6379 --cluster-replicas 1<\/code><\/pre>\n<p>cluster-replicas \u8868\u793a\u4ece\u8282\u70b9\u7684\u6570\u91cf\uff0c1\u4ee3\u8868\u6bcf\u4e2a\u4e3b\u8282\u70b9\u90fd\u6709\u4e00\u4e2a\u4ece\u8282\u70b9\u3002\u6267\u884c\u5b8c\u6210\u540e\u81ea\u52a8\u751f\u6210\u914d\u7f6e\u7684 redis-cluster.conf \u6587\u4ef6\u3002<\/p>\n<pre><code>[root@m01 ~]# redis-cli --cluster create 192.168.71.11:6379 192.168.71.12:6379 192.168.71.13:6379 192.168.71.14:6379 192.168.71.16:6379 192.168.71.17:6379 --cluster-replicas 1\r\n&gt;&gt;&gt; Performing hash slots allocation on 6 nodes...\r\nMaster[0] -&gt; Slots 0 - 5460\r\nMaster[1] -&gt; Slots 5461 - 10922\r\nMaster[2] -&gt; Slots 10923 - 16383\r\nAdding replica 192.168.71.16:6379 to 192.168.71.11:6379\r\nAdding replica 192.168.71.17:6379 to 192.168.71.12:6379\r\nAdding replica 192.168.71.14:6379 to 192.168.71.13:6379\r\nM: 32a7c50944fd31015d2e7e8a94db88bc9634501c 192.168.71.11:6379\r\n   slots:[0-5460] (5461 slots) master\r\nM: d079093147721a0a9913ae0f8f952642f18c18b0 192.168.71.12:6379\r\n   slots:[5461-10922] (5462 slots) master\r\nM: 62dec14d2669b0cd4cf73452b5bd6927f246fbee 192.168.71.13:6379\r\n   slots:[10923-16383] (5461 slots) master\r\nS: 62226042b257b0454ea06f10bf98883b2b887af8 192.168.71.14:6379\r\n   replicates 62dec14d2669b0cd4cf73452b5bd6927f246fbee\r\nS: 83e27af0d92efc5038817e11e25ab24f86b3e4c1 192.168.71.16:6379\r\n   replicates 32a7c50944fd31015d2e7e8a94db88bc9634501c\r\nS: 48ec8a2732594980fe13a77bca502d8ffa6803b8 192.168.71.17:6379\r\n   replicates d079093147721a0a9913ae0f8f952642f18c18b0\r\nCan I set the above configuration? (type 'yes' to accept): yes # \u8f93\u5165yes\uff0c\u63a5\u53d7\u4e0a\u9762\u914d\u7f6e\r\n&gt;&gt;&gt; Nodes configuration updated\r\n&gt;&gt;&gt; Assign a different config epoch to each node\r\n&gt;&gt;&gt; Sending CLUSTER MEET messages to join the cluster\r\nWaiting for the cluster to join\r\n.\r\n&gt;&gt;&gt; Performing Cluster Check (using node 192.168.71.11:6379)\r\nM: 32a7c50944fd31015d2e7e8a94db88bc9634501c 192.168.71.11:6379\r\n   slots:[0-5460] (5461 slots) master\r\n   1 additional replica(s)\r\nS: 48ec8a2732594980fe13a77bca502d8ffa6803b8 192.168.71.17:6379\r\n   slots: (0 slots) slave\r\n   replicates d079093147721a0a9913ae0f8f952642f18c18b0\r\nM: 62dec14d2669b0cd4cf73452b5bd6927f246fbee 192.168.71.13:6379\r\n   slots:[10923-16383] (5461 slots) master\r\n   1 additional replica(s)\r\nM: d079093147721a0a9913ae0f8f952642f18c18b0 192.168.71.12:6379\r\n   slots:[5461-10922] (5462 slots) master\r\n   1 additional replica(s)\r\nS: 83e27af0d92efc5038817e11e25ab24f86b3e4c1 192.168.71.16:6379\r\n   slots: (0 slots) slave\r\n   replicates 32a7c50944fd31015d2e7e8a94db88bc9634501c\r\nS: 62226042b257b0454ea06f10bf98883b2b887af8 192.168.71.14:6379\r\n   slots: (0 slots) slave\r\n   replicates 62dec14d2669b0cd4cf73452b5bd6927f246fbee\r\n[OK] All nodes agree about slots configuration.\r\n&gt;&gt;&gt; Check for open slots...\r\n&gt;&gt;&gt; Check slots coverage...\r\n[OK] All 16384 slots covered.\r\n<\/code><\/pre>\n<p>\u4e09\u3001\u6d4b\u8bd5\u9a8c\u8bc1<\/p>\n<pre><code># 1\u3001\u767b\u5f55\u96c6\u7fa4\uff1a\u9009\u62e9\u4efb\u4e00\u8282\u70b9\r\nredis-cli -c -h 192.168.71.12 -p 6379 # -c\uff0c\u4f7f\u7528\u96c6\u7fa4\u65b9\u5f0f\u767b\u5f55\uff0c\u6709\u5bc6\u7801\u7684\u8bdd\u5c31\u5728\u52a0\u4e0a\u53c2\u6570-a 123456\r\n\r\n# 2\u3001\u67e5\u770b\u96c6\u7fa4\u4fe1\u606f\r\nCLUSTER INFO # \u67e5\u770b\u96c6\u7fa4\u4fe1\u606f\uff1a\r\nCLUSTER NODES # \u5217\u51fa\u8282\u70b9\u4fe1\u606f\r\n\r\n# 3\u3001\u6dfb\u52a0\u4e0e\u67e5\u8be2\uff08\u8bfb\u5199\u64cd\u4f5c\u90fd\u4f1a\u5b9a\u5411\u5230master\u5e93\u4e0a\uff0c\u4e0d\u53ef\u80fd\u8dd1\u5230\u4ece\u5e93\u4e0a\uff0c\u56e0\u4e3a\u4ece\u5e93\u53ea\u8d1f\u8d23\u5907\u4efd\uff09\r\n[root@m01 ~]# redis-cli -c -h 192.168.71.17 -p 6379\r\n192.168.71.17:6379&gt; \r\n192.168.71.12:6379&gt; set age 18\r\n-&gt; Redirected to slot [741] located at 192.168.71.11:6379\r\nOK\r\n\r\n[root@m01 ~]# redis-cli -c -h 192.168.71.13 -p 6379 \r\n192.168.71.13:6379&gt; \r\n192.168.71.13:6379&gt; keys *\r\n(empty array)\r\n192.168.71.13:6379&gt; \r\n192.168.71.13:6379&gt; get age\r\n-&gt; Redirected to slot [741] located at 192.168.71.11:6379\r\n\"18\"\r\n192.168.71.11:6379&gt; \r\n<\/code><\/pre>\n<h2>4.3 \u539f\u7406<\/h2>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/egonlin.com\/wp-content\/uploads\/2024\/04\/image-1712764365509.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/egonlin.com\/wp-content\/uploads\/2024\/04\/image-1712764365509.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"file\" \/><\/div><br \/>\n\u5728 Redis \u7684\u6bcf\u4e00\u4e2a\u8282\u70b9\u4e0a\uff0c\u90fd\u6709\u8fd9\u4e48\u4e24\u4e2a\u4e1c\u897f\uff0c\u4e00\u4e2a\u662f\u63d2\u69fd\uff08slot\uff09\uff0c\u5b83\u7684\u7684\u53d6\u503c\u8303\u56f4\u662f\uff1a0-16383\uff0c\u53ef\u4ee5\u4ece\u4e0a\u9762redis-trib.rb\u6267\u884c\u7684\u7ed3\u679c\u770b\u5230\u8fd9 16383 \u4e2a slot \u5728\u4e09\u4e2a master \u4e0a\u7684\u5206\u5e03\u3002\u8fd8\u6709\u4e00\u4e2a\u5c31\u662f cluster\uff0c\u53ef\u4ee5\u7406\u89e3\u4e3a\u662f\u4e00\u4e2a\u96c6\u7fa4\u7ba1\u7406\u7684\u63d2\u4ef6\uff0c\u7c7b\u4f3c\u7684\u54e8\u5175\u3002<\/p>\n<p>\u5f53\u6211\u4eec\u7684\u5b58\u53d6\u7684 Key \u5230\u8fbe\u7684\u65f6\u5019\uff0cRedis \u4f1a\u6839\u636e crc16 \u7684\u7b97\u6cd5\u5bf9\u8ba1\u7b97\u540e\u5f97\u51fa\u4e00\u4e2a\u7ed3\u679c\uff0c\u7136\u540e\u628a\u7ed3\u679c\u548c 16384 \u6c42\u4f59\u6570\uff0c\u8fd9\u6837\u6bcf\u4e2a key \u90fd\u4f1a\u5bf9\u5e94\u4e00\u4e2a\u7f16\u53f7\u5728 0-16383 \u4e4b\u95f4\u7684\u54c8\u5e0c\u69fd\uff0c\u901a\u8fc7\u8fd9\u4e2a\u503c\uff0c\u53bb\u627e\u5230\u5bf9\u5e94\u7684\u63d2\u69fd\u6240\u5bf9\u5e94\u7684\u8282\u70b9\uff0c\u7136\u540e\u76f4\u63a5\u81ea\u52a8\u8df3\u8f6c\u5230\u8fd9\u4e2a\u5bf9\u5e94\u7684\u8282\u70b9\u4e0a\u8fdb\u884c\u5b58\u53d6\u64cd\u4f5c\u3002<\/p>\n<p>\u5f53\u6570\u636e\u5199\u5165\u5230\u5bf9\u5e94\u7684 master \u8282\u70b9\u540e\uff0c\u8fd9\u4e2a\u6570\u636e\u4f1a\u540c\u6b65\u7ed9\u8fd9\u4e2a master \u5bf9\u5e94\u7684\u6240\u6709 slave \u8282\u70b9\u3002<\/p>\n<p>\u4e3a\u4e86\u4fdd\u8bc1\u9ad8\u53ef\u7528\uff0credis-cluster \u96c6\u7fa4\u5f15\u5165\u4e86\u4e3b\u4ece\u6a21\u5f0f\uff0c\u4e00\u4e2a\u4e3b\u8282\u70b9\u5bf9\u5e94\u4e00\u4e2a\u6216\u8005\u591a\u4e2a\u4ece\u8282\u70b9\u3002\u5f53\u5176\u5b83\u4e3b\u8282\u70b9 ping \u4e3b\u8282\u70b9 master 1 \u65f6\uff0c\u5982\u679c\u534a\u6570\u4ee5\u4e0a\u7684\u4e3b\u8282\u70b9\u4e0e master 1 \u901a\u4fe1\u8d85\u65f6\uff0c\u90a3\u4e48\u8ba4\u4e3a master 1 \u5b95\u673a\u4e86\uff0c\u5c31\u4f1a\u542f\u7528 master 1 \u7684\u4ece\u8282\u70b9 slave 1\uff0c\u5c06 slave 1 \u53d8\u6210\u4e3b\u8282\u70b9\u7ee7\u7eed\u63d0\u4f9b\u670d\u52a1\u3002<\/p>\n<p>\u5982\u679c master 1 \u548c\u5b83\u7684\u4ece\u8282\u70b9 slave 1 \u90fd\u5b95\u673a\u4e86\uff0c\u6574\u4e2a\u96c6\u7fa4\u5c31\u4f1a\u8fdb\u5165 fail \u72b6\u6001\uff0c\u56e0\u4e3a\u96c6\u7fa4\u7684 slot \u6620\u5c04\u4e0d\u5b8c\u6574\u3002\u5982\u679c\u96c6\u7fa4\u8d85\u8fc7\u534a\u6570\u4ee5\u4e0a\u7684 master \u6302\u6389\uff0c\u65e0\u8bba\u662f\u5426\u6709 slave\uff0c\u96c6\u7fa4\u90fd\u4f1a\u8fdb\u5165 fail \u72b6\u6001\u3002<\/p>\n<p>redis-cluster \u91c7\u7528\u53bb\u4e2d\u5fc3\u5316\u7684\u601d\u60f3\uff0c\u6ca1\u6709\u4e2d\u5fc3\u8282\u70b9\u7684\u8bf4\u6cd5\uff0c\u5ba2\u6237\u7aef\u4e0e Redis \u8282\u70b9\u76f4\u8fde\uff0c\u4e0d\u9700\u8981\u4e2d\u95f4\u4ee3\u7406\u5c42\uff0c\u5ba2\u6237\u7aef\u4e0d\u9700\u8981\u8fde\u63a5\u96c6\u7fa4\u6240\u6709\u8282\u70b9\uff0c\u8fde\u63a5\u96c6\u7fa4\u4e2d\u4efb\u4f55\u4e00\u4e2a\u53ef\u7528\u8282\u70b9\u5373\u53ef\u3002<\/p>\n<h2>4.4 \u603b\u7ed3<\/h2>\n<p>\u4f18\u70b9\uff1a<br \/>\n1\uff09\u96c6\u7fa4\u5b8c\u5168\u53bb\u4e2d\u5fc3\u5316\uff0c\u91c7\u7528\u591a\u4e3b\u591a\u4ece\uff1b\u81ea\u52a8\u5316\u6545\u969c\u8f6c\u79fb<\/p>\n<p>2\uff09\u7701\u53bb\u4e86\u4e2d\u95f4\u5546\uff0c\u7b80\u5316\u4e86\u4f7f\u7528\uff0c\u63d0\u5347\u4e86\u6548\u7387<\/p>\n<p>\u5ba2\u6237\u7aef\u4e0e Redis \u8282\u70b9\u76f4\u8fde\uff0c\u4e0d\u9700\u8981\u4e2d\u95f4\u4ee3\u7406\u5c42\u3002\u5ba2\u6237\u7aef\u4e0d\u9700\u8981\u8fde\u63a5\u96c6\u7fa4\u6240\u6709\u8282\u70b9\uff0c\u8fde\u63a5\u96c6\u7fa4\u4e2d\u4efb\u4f55\u4e00\u4e2a\u53ef\u7528\u8282\u70b9\u5373\u53ef\u3002<br \/>\n\u6bcf\u4e00\u4e2amaster\u8282\u70b9\u8d1f\u8d23\u7ef4\u62a4\u4e00\u90e8\u5206\u69fd\uff0c\u4ee5\u53ca\u69fd\u6240\u6620\u5c04\u7684\u952e\u503c\u6570\u636e\uff1b\u96c6\u7fa4\u4e2d\u6bcf\u4e2a\u8282\u70b9\u90fd\u6709\u5168\u91cf\u7684\u69fd\u4fe1\u606f\uff0c\u901a\u8fc7\u69fd\u6bcf\u4e2anode\u90fd\u77e5\u9053\u5177\u4f53\u6570\u636e\u5b58\u50a8\u5230\u54ea\u4e2anode\u4e0a<\/p>\n<p>\u7f3a\u70b9\uff1a<\/p>\n<ul>\n<li>1.\u96c6\u7fa4\u5185\u90e8\u7684\u901a\u4fe1\u4f1a\u6d88\u8017\u5927\u91cf\u5e26\u5bbd\uff1aRedis Cluster \u662f\u65e0\u4e2d\u5fc3\u8282\u70b9\u7684\u96c6\u7fa4\u67b6\u6784\uff0c\u4f9d\u9760 Goss \u534f\u8bae(\u8c23\u8a00\u4f20\u64ad)\u534f\u540c\u81ea\u52a8\u5316\u4fee\u590d\u96c6\u7fa4\u7684\u72b6\u6001<br \/>\n\u4f46 GosSIp \u6709\u6d88\u606f\u5ef6\u65f6\u548c\u6d88\u606f\u5197\u4f59\u7684\u95ee\u9898\uff0c\u5728\u96c6\u7fa4\u8282\u70b9\u6570\u91cf\u8fc7\u591a\u7684\u65f6\u5019\uff0c\u8282\u70b9\u4e4b\u95f4\u9700\u8981\u4e0d\u65ad\u8fdb\u884c PING\/PANG 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\u8282\u70b9\u6302\u6389\u540e\uff0c\u9700\u8981\u624b\u52a8\u6307\u5b9a\u65b0\u7684 master\uff0c\u53ef\u7528\u6027\u4e0d\u9ad8 \u9002\u7528\u573a\u666f 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