{"id":6333,"date":"2024-07-18T15:16:04","date_gmt":"2024-07-18T07:16:04","guid":{"rendered":"https:\/\/t.n-years.com\/?p=6333"},"modified":"2024-07-18T15:16:04","modified_gmt":"2024-07-18T07:16:04","slug":"redis%e8%bf%9b%e9%98%b6-%ef%bc%9a%e5%93%a8%e5%85%b5%e6%9c%ba%e5%88%b6%ef%bc%88redis-sentinel%ef%bc%89","status":"publish","type":"post","link":"https:\/\/t.n-years.com\/?p=6333","title":{"rendered":"Redis\u8fdb\u9636 \uff1a\u54e8\u5175\u673a\u5236\uff08Redis Sentinel\uff09"},"content":{"rendered":"<p>Redis \u54e8\u5175\uff08Sentinel\uff09\u662f Redis \u7684\u9ad8\u53ef\u7528\u6027\u89e3\u51b3\u65b9\u6848\uff0c\u7528\u4e8e\u76d1\u63a7 Redis \u4e3b\u4ece\u590d\u5236\u4e2d\u7684\u4e3b\u670d\u52a1\u5668\u5e76\u5728\u53d1\u751f\u6545\u969c\u65f6\u81ea\u52a8\u8fdb\u884c\u6545\u969c\u8f6c\u79fb\u3002\u4e0b\u9762\u662f Redis \u54e8\u5175\u673a\u5236\u7684\u4e3b\u8981\u77e5\u8bc6\u70b9\uff0c\u4ee5\u53ca\u4e00\u4e9b\u5e38\u89c1\u7684\u9762\u8bd5\u9898\u53ca\u5176\u8be6\u7ec6\u89e3\u91ca\u3002<\/p>\n<h3>Redis \u54e8\u5175\u673a\u5236\u4e3b\u8981\u77e5\u8bc6\u70b9<\/h3>\n<ol>\n<li>\n<p><strong>\u57fa\u672c\u6982\u5ff5<\/strong><\/p>\n<ul>\n<li><strong>\u76d1\u63a7<\/strong>\uff1a\u54e8\u5175\u4f1a\u4e0d\u65ad\u5730\u68c0\u67e5\u4e3b\u670d\u52a1\u5668\u548c\u4ece\u670d\u52a1\u5668\u662f\u5426\u6b63\u5e38\u5de5\u4f5c\u3002<\/li>\n<li><strong>\u901a\u77e5<\/strong>\uff1a\u5f53\u67d0\u4e2a Redis \u5b9e\u4f8b\u51fa\u73b0\u95ee\u9898\u65f6\uff0c\u54e8\u5175\u4f1a\u901a\u8fc7 API \u5411\u7cfb\u7edf\u7ba1\u7406\u5458\u6216\u5176\u4ed6\u5e94\u7528\u7a0b\u5e8f\u53d1\u9001\u901a\u77e5\u3002<\/li>\n<li><strong>\u81ea\u52a8\u6545\u969c\u8f6c\u79fb<\/strong>\uff1a\u5f53\u4e3b\u670d\u52a1\u5668\u6545\u969c\u65f6\uff0c\u54e8\u5175\u4f1a\u5c06\u5176\u4e2d\u4e00\u4e2a\u4ece\u670d\u52a1\u5668\u5347\u7ea7\u4e3a\u65b0\u7684\u4e3b\u670d\u52a1\u5668\uff0c\u5e76\u8ba9\u5176\u4ed6\u4ece\u670d\u52a1\u5668\u5f00\u59cb\u590d\u5236\u65b0\u7684\u4e3b\u670d\u52a1\u5668\u3002<\/li>\n<li><strong>\u914d\u7f6e\u63d0\u4f9b\u8005<\/strong>\uff1a\u5ba2\u6237\u7aef\u53ef\u4ee5\u901a\u8fc7\u54e8\u5175\u83b7\u5f97\u5f53\u524d\u7684\u4e3b\u670d\u52a1\u5668\u5730\u5740\uff0c\u4ece\u800c\u59cb\u7ec8\u4e0e\u53ef\u7528\u7684\u4e3b\u670d\u52a1\u5668\u8fdb\u884c\u901a\u4fe1\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>\u54e8\u5175\u5b9e\u4f8b<\/strong><\/p>\n<ul>\n<li>\u54e8\u5175\u672c\u8eab\u4e5f\u662f\u4e00\u4e2a\u8fd0\u884c\u5728\u7279\u5b9a\u7aef\u53e3\u4e0a\u7684 Redis \u5b9e\u4f8b\uff0c\u8d1f\u8d23\u6267\u884c\u76d1\u63a7\u548c\u6545\u969c\u8f6c\u79fb\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>\u54e8\u5175\u914d\u7f6e<\/strong><\/p>\n<ul>\n<li><strong>sentinel.conf<\/strong>\uff1a\u54e8\u5175\u7684\u914d\u7f6e\u6587\u4ef6\uff0c\u7528\u4e8e\u5b9a\u4e49\u54e8\u5175\u5b9e\u4f8b\u7684\u884c\u4e3a\uff0c\u5305\u62ec\u76d1\u63a7\u7684\u4e3b\u670d\u52a1\u5668\u3001\u5224\u65ad\u670d\u52a1\u5668\u6545\u969c\u7684\u65f6\u95f4\u95f4\u9694\u7b49\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>\u4e3b\u89c2\u4e0b\u7ebf\u548c\u5ba2\u89c2\u4e0b\u7ebf<\/strong><\/p>\n<ul>\n<li><strong>\u4e3b\u89c2\u4e0b\u7ebf<\/strong>\uff08Subjective Down\uff0c\u7b80\u79f0 SDOWN\uff09\uff1a\u54e8\u5175\u8ba4\u4e3a\u67d0\u4e2a\u5b9e\u4f8b\u4e0d\u53ef\u7528\uff0c\u4f46\u5176\u4ed6\u54e8\u5175\u53ef\u80fd\u6ca1\u6709\u53d1\u73b0\u8fd9\u4e2a\u95ee\u9898\u3002<\/li>\n<li><strong>\u5ba2\u89c2\u4e0b\u7ebf<\/strong>\uff08Objective Down\uff0c\u7b80\u79f0 ODOWN\uff09\uff1a\u5927\u591a\u6570\u54e8\u5175\u90fd\u8ba4\u4e3a\u67d0\u4e2a\u5b9e\u4f8b\u4e0d\u53ef\u7528\uff0c\u8fbe\u6210\u4e00\u81f4\u540e\u786e\u5b9a\u8be5\u5b9e\u4f8b\u4e3a\u5ba2\u89c2\u4e0b\u7ebf\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>\u6545\u969c\u8f6c\u79fb\u6d41\u7a0b<\/strong><\/p>\n<ul>\n<li>\u54e8\u5175\u96c6\u7fa4\u4e2d\u7684\u54e8\u5175\u4f1a\u901a\u8fc7\u6295\u7968\u9009\u62e9\u4e00\u4e2a\u9886\u5bfc\u8005\uff0c\u7531\u9886\u5bfc\u8005\u6267\u884c\u6545\u969c\u8f6c\u79fb\u64cd\u4f5c\u3002<\/li>\n<li>\u9886\u5bfc\u8005\u4f1a\u5c06\u5176\u4e2d\u4e00\u4e2a\u4ece\u670d\u52a1\u5668\u63d0\u5347\u4e3a\u65b0\u7684\u4e3b\u670d\u52a1\u5668\uff0c\u5e76\u8ba9\u5176\u4ed6\u4ece\u670d\u52a1\u5668\u5f00\u59cb\u590d\u5236\u65b0\u7684\u4e3b\u670d\u52a1\u5668\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h3>\u9762\u8bd5\u9898\u53ca\u8be6\u89e3<\/h3>\n<ol>\n<li>\n<p><strong>\u4ec0\u4e48\u662f Redis \u54e8\u5175\uff1f<\/strong><\/p>\n<p><strong>\u56de\u7b54<\/strong>\uff1aRedis \u54e8\u5175\u662f Redis \u7684\u9ad8\u53ef\u7528\u6027\u89e3\u51b3\u65b9\u6848\uff0c\u8d1f\u8d23\u76d1\u63a7 Redis \u4e3b\u4ece\u590d\u5236\u4e2d\u7684\u4e3b\u670d\u52a1\u5668\u548c\u4ece\u670d\u52a1\u5668\uff0c\u901a\u77e5\u7cfb\u7edf\u7ba1\u7406\u5458\u6216\u5e94\u7528\u7a0b\u5e8f\u51fa\u73b0\u7684\u95ee\u9898\uff0c\u5e76\u5728\u4e3b\u670d\u52a1\u5668\u6545\u969c\u65f6\u81ea\u52a8\u8fdb\u884c\u6545\u969c\u8f6c\u79fb\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u54e8\u5175\u7684\u4e3b\u8981\u529f\u80fd\u6709\u54ea\u4e9b\uff1f<\/strong><\/p>\n<p><strong>\u56de\u7b54<\/strong>\uff1a<\/p>\n<ul>\n<li>\u76d1\u63a7\uff1a\u68c0\u67e5 Redis \u5b9e\u4f8b\u662f\u5426\u6b63\u5e38\u5de5\u4f5c\u3002<\/li>\n<li>\u901a\u77e5\uff1a\u5411\u7cfb\u7edf\u7ba1\u7406\u5458\u6216\u5e94\u7528\u7a0b\u5e8f\u53d1\u9001\u901a\u77e5\u3002<\/li>\n<li>\u81ea\u52a8\u6545\u969c\u8f6c\u79fb\uff1a\u5728\u4e3b\u670d\u52a1\u5668\u6545\u969c\u65f6\uff0c\u81ea\u52a8\u5c06\u4ece\u670d\u52a1\u5668\u63d0\u5347\u4e3a\u65b0\u7684\u4e3b\u670d\u52a1\u5668\u3002<\/li>\n<li>\u914d\u7f6e\u63d0\u4f9b\u8005\uff1a\u63d0\u4f9b\u5f53\u524d\u4e3b\u670d\u52a1\u5668\u5730\u5740\uff0c\u5e2e\u52a9\u5ba2\u6237\u7aef\u8fde\u63a5\u53ef\u7528\u7684\u4e3b\u670d\u52a1\u5668\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>\u4ec0\u4e48\u662f\u4e3b\u89c2\u4e0b\u7ebf\u548c\u5ba2\u89c2\u4e0b\u7ebf\uff1f<\/strong><\/p>\n<p><strong>\u56de\u7b54<\/strong>\uff1a<\/p>\n<ul>\n<li>\u4e3b\u89c2\u4e0b\u7ebf\uff08SDOWN\uff09\uff1a\u5355\u4e2a\u54e8\u5175\u8ba4\u4e3a\u67d0\u4e2a Redis \u5b9e\u4f8b\u4e0d\u53ef\u7528\u3002<\/li>\n<li>\u5ba2\u89c2\u4e0b\u7ebf\uff08ODOWN\uff09\uff1a\u591a\u4e2a\u54e8\u5175\u8fbe\u6210\u4e00\u81f4\uff0c\u8ba4\u4e3a\u67d0\u4e2a Redis \u5b9e\u4f8b\u4e0d\u53ef\u7528\uff0c\u786e\u8ba4\u4e3a\u5ba2\u89c2\u4e0b\u7ebf\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>Redis \u54e8\u5175\u662f\u5982\u4f55\u8fdb\u884c\u6545\u969c\u8f6c\u79fb\u7684\uff1f<\/strong><\/p>\n<p><strong>\u56de\u7b54<\/strong>\uff1a\u5f53\u4e3b\u670d\u52a1\u5668\u88ab\u5224\u5b9a\u4e3a\u5ba2\u89c2\u4e0b\u7ebf\u540e\uff0c\u54e8\u5175\u96c6\u7fa4\u4e2d\u7684\u54e8\u5175\u901a\u8fc7\u6295\u7968\u9009\u51fa\u4e00\u4e2a\u9886\u5bfc\u8005\u3002\u9886\u5bfc\u8005\u4f1a\u5c06\u4e00\u4e2a\u4ece\u670d\u52a1\u5668\u63d0\u5347\u4e3a\u65b0\u7684\u4e3b\u670d\u52a1\u5668\uff0c\u5e76\u66f4\u65b0\u5176\u4ed6\u4ece\u670d\u52a1\u5668\u7684\u590d\u5236\u76ee\u6807\u4e3a\u65b0\u7684\u4e3b\u670d\u52a1\u5668\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u5982\u4f55\u914d\u7f6e Redis \u54e8\u5175\uff1f<\/strong><\/p>\n<p><strong>\u56de\u7b54<\/strong>\uff1a\u901a\u8fc7\u914d\u7f6e\u54e8\u5175\u7684\u914d\u7f6e\u6587\u4ef6 <code>sentinel.conf<\/code>\uff0c\u5b9a\u4e49\u54e8\u5175\u5b9e\u4f8b\u7684\u884c\u4e3a\u3002\u4e3b\u8981\u914d\u7f6e\u9879\u5305\u62ec\u76d1\u63a7\u7684\u4e3b\u670d\u52a1\u5668\u5730\u5740\u548c\u7aef\u53e3\u3001\u5224\u65ad\u670d\u52a1\u5668\u6545\u969c\u7684\u65f6\u95f4\u95f4\u9694\u3001\u9009\u4e3e\u9886\u5bfc\u8005\u7684\u6295\u7968\u6570\u91cf\u7b49\u3002<\/p>\n<pre><code class=\"language-conf\">sentinel monitor mymaster 127.0.0.1 6379 2\nsentinel down-after-milliseconds mymaster 5000\nsentinel failover-timeout mymaster 60000\nsentinel parallel-syncs mymaster 1<\/code><\/pre>\n<\/li>\n<li>\n<p><strong>\u5982\u4f55\u542f\u52a8 Redis \u54e8\u5175\uff1f<\/strong><\/p>\n<p><strong>\u56de\u7b54<\/strong>\uff1a\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u542f\u52a8 Redis \u54e8\u5175\uff0c\u6307\u5b9a\u54e8\u5175\u914d\u7f6e\u6587\u4ef6\uff1a<\/p>\n<pre><code class=\"language-shell\">redis-sentinel \/path\/to\/sentinel.conf<\/code><\/pre>\n<\/li>\n<li>\n<p><strong>\u5982\u4f55\u83b7\u53d6\u5f53\u524d\u7684\u4e3b\u670d\u52a1\u5668\u5730\u5740\uff1f<\/strong><\/p>\n<p><strong>\u56de\u7b54<\/strong>\uff1a\u5ba2\u6237\u7aef\u53ef\u4ee5\u901a\u8fc7\u54e8\u5175\u547d\u4ee4 <code>SENTINEL get-master-addr-by-name &lt;master-name&gt;<\/code> \u83b7\u53d6\u5f53\u524d\u7684\u4e3b\u670d\u52a1\u5668\u5730\u5740\u3002<\/p>\n<pre><code class=\"language-shell\">redis-cli -p 26379 SENTINEL get-master-addr-by-name mymaster<\/code><\/pre>\n<\/li>\n<li>\n<p><strong>\u54e8\u5175\u4e4b\u95f4\u5982\u4f55\u901a\u4fe1\uff1f<\/strong><\/p>\n<p><strong>\u56de\u7b54<\/strong>\uff1a\u54e8\u5175\u5b9e\u4f8b\u901a\u8fc7 Redis \u53d1\u5e03\u8ba2\u9605\u673a\u5236\uff08Pub\/Sub\uff09\u8fdb\u884c\u901a\u4fe1\uff0c\u4ea4\u6362\u5173\u4e8e\u4e3b\u670d\u52a1\u5668\u548c\u4ece\u670d\u52a1\u5668\u7684\u72b6\u6001\u4fe1\u606f\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u54e8\u5175\u914d\u7f6e\u4e2d <code>quorum<\/code> \u53c2\u6570\u7684\u4f5c\u7528\u662f\u4ec0\u4e48\uff1f<\/strong><\/p>\n<p><strong>\u56de\u7b54<\/strong>\uff1a<code>quorum<\/code> \u53c2\u6570\u5b9a\u4e49\u4e86\u5224\u5b9a\u4e3b\u670d\u52a1\u5668\u5ba2\u89c2\u4e0b\u7ebf\u6240\u9700\u7684\u54e8\u5175\u6570\u91cf\u3002\u53ea\u6709\u5f53\u81f3\u5c11 <code>quorum<\/code> \u6570\u91cf\u7684\u54e8\u5175\u8ba4\u4e3a\u4e3b\u670d\u52a1\u5668\u4e0d\u53ef\u7528\u65f6\uff0c\u624d\u4f1a\u8ba4\u4e3a\u4e3b\u670d\u52a1\u5668\u5ba2\u89c2\u4e0b\u7ebf\u3002<\/p>\n<pre><code class=\"language-conf\">sentinel monitor mymaster 127.0.0.1 6379 2<\/code><\/pre>\n<\/li>\n<li>\n<p><strong>Redis \u54e8\u5175\u7684\u6545\u969c\u8f6c\u79fb\u8fc7\u7a0b\u6709\u54ea\u4e9b\u6b65\u9aa4\uff1f<\/strong><\/p>\n<p><strong>\u56de\u7b54<\/strong>\uff1a<\/p>\n<ul>\n<li>\u54e8\u5175\u53d1\u73b0\u4e3b\u670d\u52a1\u5668\u4e3b\u89c2\u4e0b\u7ebf\uff08SDOWN\uff09\u3002<\/li>\n<li>\u591a\u4e2a\u54e8\u5175\u786e\u8ba4\u4e3b\u670d\u52a1\u5668\u5ba2\u89c2\u4e0b\u7ebf\uff08ODOWN\uff09\u3002<\/li>\n<li>\u54e8\u5175\u96c6\u7fa4\u9009\u4e3e\u51fa\u4e00\u4e2a\u9886\u5bfc\u8005\u3002<\/li>\n<li>\u9886\u5bfc\u8005\u9009\u62e9\u4e00\u4e2a\u4ece\u670d\u52a1\u5668\u63d0\u5347\u4e3a\u65b0\u7684\u4e3b\u670d\u52a1\u5668\u3002<\/li>\n<li>\u5176\u4ed6\u4ece\u670d\u52a1\u5668\u5f00\u59cb\u590d\u5236\u65b0\u7684\u4e3b\u670d\u52a1\u5668\u3002<\/li>\n<li>\u901a\u77e5\u5ba2\u6237\u7aef\u65b0\u7684\u4e3b\u670d\u52a1\u5668\u5730\u5740\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p>\u901a\u8fc7\u7406\u89e3\u548c\u638c\u63e1\u8fd9\u4e9b\u77e5\u8bc6\u70b9\u548c\u9762\u8bd5\u9898\uff0c\u4f60\u53ef\u4ee5\u66f4\u597d\u5730\u5e94\u5bf9\u4e0e Redis \u54e8\u5175\u76f8\u5173\u7684\u6280\u672f\u95ee\u9898\u548c\u9762\u8bd5\u6311\u6218\u3002<\/p>\n<p>\u53c2\u8003<\/p>\n<ul>\n<li><a href=\"https:\/\/pdai.tech\/md\/db\/nosql-redis\/db-redis-x-sentinel.html\">Redis\u8fdb\u9636 - \u9ad8\u53ef\u7528\uff1a\u54e8\u5175\u673a\u5236\uff08Redis Sentinel\uff09\u8be6\u89e3<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Redis \u54e8\u5175\uff08Sentinel\uff09\u662f Redis \u7684\u9ad8\u53ef\u7528\u6027\u89e3\u51b3\u65b9\u6848\uff0c\u7528\u4e8e\u76d1\u63a7 Redis \u4e3b\u4ece\u590d\u5236\u4e2d\u7684\u4e3b\u670d&#8230; <\/p>\n<div class=\"read-more navbutton\"><a href=\"https:\/\/t.n-years.com\/?p=6333\">\u9605\u8bfb\u66f4\u591a<i class=\"fa fa-angle-double-right\"><\/i><\/a><\/div>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[123],"tags":[122],"class_list":["post-6333","post","type-post","status-publish","format-standard","hentry","category-123","tag-redis"],"_links":{"self":[{"href":"https:\/\/t.n-years.com\/index.php?rest_route=\/wp\/v2\/posts\/6333","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/t.n-years.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/t.n-years.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/t.n-years.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/t.n-years.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=6333"}],"version-history":[{"count":1,"href":"https:\/\/t.n-years.com\/index.php?rest_route=\/wp\/v2\/posts\/6333\/revisions"}],"predecessor-version":[{"id":6334,"href":"https:\/\/t.n-years.com\/index.php?rest_route=\/wp\/v2\/posts\/6333\/revisions\/6334"}],"wp:attachment":[{"href":"https:\/\/t.n-years.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6333"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/t.n-years.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6333"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/t.n-years.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6333"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}