{"id":202348,"date":"2025-05-10T13:52:41","date_gmt":"2025-05-10T05:52:41","guid":{"rendered":"https:\/\/server.hk\/cnblog\/202348\/"},"modified":"2025-05-10T13:52:41","modified_gmt":"2025-05-10T05:52:41","slug":"%e6%80%8e%e4%b9%88%e8%a7%a3%e6%9e%90redis%e4%b8%ad%e7%9a%84%e5%93%a8%e5%85%b5%e6%a8%a1%e5%bc%8f%e5%8e%9f%e7%90%86","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/202348\/","title":{"rendered":"\u600e\u4e48\u89e3\u6790Redis\u4e2d\u7684\u54e8\u5175\u6a21\u5f0f\u539f\u7406"},"content":{"rendered":"

<\/b> <\/p>\n

\u600e\u4e48\u89e3\u6790Redis\u4e2d\u7684\u54e8\u5175\u6a21\u5f0f\u539f\u7406<\/h1>\n

<\/i>\u6536\u85cf<\/span> <\/p>\n

\u7f16\u7a0b\u5e76\u4e0d\u662f\u4e00\u4e2a\u673a\u68b0\u6027\u7684\u5de5\u4f5c\uff0c\u800c\u662f\u9700\u8981\u6709\u601d\u8003\uff0c\u6709\u521b\u65b0\u7684\u5de5\u4f5c\uff0c\u8bed\u6cd5\u662f\u56fa\u5b9a\u7684\uff0c\u4f46\u89e3\u51b3\u95ee\u9898\u7684\u601d\u8def\u5219\u662f\u4f9d\u9760\u4eba\u7684\u601d\u7ef4\uff0c\u8fd9\u5c31\u9700\u8981\u6211\u4eec\u575a\u6301\u5b66\u4e60\u548c\u66f4\u65b0\u81ea\u5df1\u7684\u77e5\u8bc6\u3002\u4eca\u5929golang\u5b66\u4e60\u7f51\u5c31\u6574\u7406\u5206\u4eab\u300a\u600e\u4e48\u89e3\u6790Redis\u4e2d\u7684\u54e8\u5175\u6a21\u5f0f\u539f\u7406\u300b\uff0c\u6587\u7ae0\u8bb2\u89e3\u7684\u77e5\u8bc6\u70b9\u4e3b\u8981\u5305\u62ec\uff0c\u5982\u679c\u4f60\u5bf9\u6570\u636e\u5e93\u65b9\u9762\u7684\u77e5\u8bc6\u70b9\u611f\u5174\u8da3\uff0c\u5c31\u4e0d\u8981\u9519\u8fc7golang\u5b66\u4e60\u7f51\uff0c\u5728\u8fd9\u53ef\u4ee5\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5f00\u53d1\u80fd\u529b\u7684\u63d0\u5347\u3002<\/p>\n

\u672c\u7bc7\u6587\u7ae0\u5e26\u5927\u5bb6\u6df1\u5165\u7406\u89e3\u4e0bRedis\u54e8\u5175\u6a21\u5f0f\u539f\u7406\uff0c\u804a\u804asentinel\u80fd\u5e72\u4ec0\u4e48\uff0c\u542f\u52a8sentinel\u65b9\u6cd5\u548cSentinel\u5de5\u4f5c\u6d41\u7a0b\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u6709\u6240\u5e2e\u52a9\uff01<\/p>\n

\u4e00\u3001Redis sentinel\u662f\u4ec0\u4e48\uff1f<\/strong><\/h3>\n

Redis Sentinel\u662fRedis\u7684\u5b98\u65b9\u9ad8\u53ef\u7528\u6027\u89e3\u51b3\u65b9\u6848\u3002Redis Sentinel\u4e3aRedis\u63d0\u4f9b\u9ad8\u53ef\u7528\u6027\u3002\u5b9e\u9645\u4e0a\uff0c\u8fd9\u610f\u5473\u7740\u4f7f\u7528Sentinel\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2aRedis\u96c6\u7fa4\uff0c\u5728\u6ca1\u6709\u4eba\u4e3a\u5e72\u9884\u7684\u60c5\u51b5\u4e0b\u62b5\u6297\u67d0\u4e9b\u7c7b\u578b\u7684\u5931\u8d25\uff0c\u81ea\u52a8\u5b9e\u73b0\u6545\u969c\u8f6c\u79fb\u3002\u3010\u76f8\u5173\u63a8\u8350\uff1aRedis\u89c6\u9891\u6559\u7a0b\u3011<\/p>\n

\u4e8c\u3001sentinel\u80fd\u5e72\u4ec0\u4e48\uff1f<\/strong><\/h3>\n

1\u3001\u76d1\u63a7redis\u96c6\u7fa4\u8282\u70b9\uff08master+replica\uff09\u548csentinel\u8282\u70b9\u5065\u5eb7\u72b6\u6001<\/p>\n

2\u3001\u81ea\u52a8\u6545\u969c\u8f6c\u79fb\uff1a\u5982\u679cmaster\u51fa\u73b0\u6545\u969c\uff0csentinel\u53ef\u4ee5\u5b9e\u73b0\u6545\u969c\u8f6c\u79fb\uff0c\u5e76\u4e14\u901a\u77e5\u5ba2\u6237\u7aef\u8fde\u63a5\u65b0\u7684master\u3002<\/p>\n

3\u3001\u901a\u77e5\uff1a\u901a\u8fc7api\uff0c\u53ef\u4ee5\u53d1\u9001\u901a\u77e5\u5230\u7ba1\u7406\u5458\uff0c\u5f00\u53d1\u4eba\u5458\uff0c\u76d1\u63a7\u7684redis\u5b9e\u4f8b\u51fa\u73b0\u4e86\u6545\u969c<\/p>\n

4\u3001\u914d\u7f6e\u4e2d\u5fc3\uff1a\u5ba2\u6237\u7aef\u8fde\u63a5\u5230sentinel,sentinel\u53ef\u4ee5\u8bbf\u95eemaster\u5c06\u8282\u70b9\u4fe1\u606f\u8fd4\u56de\u7ed9\u5ba2\u6237\u7aef<\/p>\n

\u4e09\u3001\u542f\u52a8sentinel\u65b9\u6cd5<\/strong><\/h3>\n

1\u3001redis-sentinel \/path\/to\/sentinel.conf<\/p>\n

2\u3001redis-server \/path\/to\/sentinel.conf –sentinel<\/p>\n

sentinel.conf\u914d\u7f6e\u8bf4\u660e\u5982\u4e0b<\/p>\n

# \u914d\u7f6e\u9700\u8981\u76d1\u63a7\u7684master\u8282\u70b9\u4fe1\u606f 2\u4ee3\u8868\u6cd5\u5b9a\u4eba\u6570 \u4f5c\u7528\u662f\u8868\u793a\u9700\u8981\u6700\u5c11\u9700\u8981\u591a\u5c11\u4e2asentinel\u8282\u70b9\u540c\u610f\n#master\u8282\u70b9\u4e0d\u53ef\u8fbe\u624d\u6807\u8bb0\u4e3a\u5ba2\u89c2\u4e0b\u7ebf\n#\u4e3e\u4f8b 5\u4e2asentinel\u5b9e\u4f8b quorum\u8bbe\u7f6e\u62102 \u90a3\u4e48\u67092\u4e2asentinel\u8282\u70b9\u8ba4\u4e3amaster\u4e0d\u53ef\u8fbe\uff0c\n#\u5219\u5176\u4e2d\u4e00\u4e2a\u4f1a\u542f\u52a8\u6545\u969c\u8f6c\u79fb#\u5982\u679c\u81f3\u5c11\u6709\u4e09\u4e2a\u54e8\u5175\u53ef\u5230\u8fbe\uff0c\u6545\u969c\u8f6c\u79fb\u5c06\u88ab\u6388\u6743\u5e76\u5b9e\u9645\u542f\u52a8\u3002\nsentinel monitor mymaster 127.0.0.1 6379 2 \n#\u53ea\u9700\u8981\u914d\u7f6emaster sentinel\u4f1a\u81ea\u52a8\u68c0\u6d4bslave\u4fe1\u606f\nsentinel down-after-milliseconds mymaster 60000 \n#\u5982\u679cmaster\u5728\u6307\u5b9a\u65f6\u95f4\u5185\u6ca1\u6709\u54cd\u5e94ping\u547d\u4ee4\/\u6216\u62a5\u9519\uff0c\u5219\u8ba4\u4e3a\u4e3b\u89c2\u4e0b\u7ebf\u4e86\u3002\nsentinel failover-timeout mymaster 180000\nsentinel parallel-syncs mymaster 1 \n#\u6307\u5b9a\u6545\u969c\u8f6c\u79fb\u7684\u65f6\u5019\uff0c\u540c\u65f6\u652f\u6301\u591a\u5c11\u4e2areplica\u5e76\u884c\u7684\u4e0emaster\u540c\u6b65\u6570\u636e\uff0c\u8d8a\u5c0f\u6545\u969c\u8f6c\u79fb\u8d8a\u4e45\n#\u4ee5\u4e0a\u914d\u7f6e\u53ef\u4ee5\u901a\u8fc7SENTINEL SET command.\u6765\u5b9e\u65f6\u4fee\u6539\u3002\nsentinel monitor resque 192.168.1.3 6380 4\nsentinel down-after-milliseconds resque 10000\nsentinel failover-timeout resque 180000\nsentinel parallel-syncs resque 5<\/pre>\n
\u6ce8\u610f\u70b9\uff1a<\/p>\n
Redis-sentinel\u5fc5\u987b\u4f7f\u7528\u914d\u7f6e\u6587\u4ef6\u542f\u52a8\uff0c\u91cd\u542f\u9700\u8981\u6839\u636e\u914d\u7f6e\u6587\u4ef6\u6062\u590d\uff0c\u9ed8\u8ba4\u6253\u5f0026379\u7aef\u53e3\uff0csentinel\u4e4b\u95f4\u5fc5\u987b\u5f00\u653e\u7aef\u53e3\u8bbf\u95ee\uff0c\u65b9\u4fbf\u76f8\u4e92\u8bbf\u95ee\u3002<\/p>\n
\u56db\u3001Sentinel\u5de5\u4f5c\u6d41\u7a0b<\/strong><\/h3>\n
1\u3001\u9996\u5148sentinel\u4e4b\u95f4\u662f\u901a\u8fc7redis\u7684pub\/subscribe\u673a\u5236\u5b9e\u73b0\u52a8\u6001\u611f\u77e5\u3002<\/p>\n
<\/p>\n
\u5ba2\u89c2\u4e0b\u7ebf\uff1a<\/p>\n
\u5f53\u4e3b\u89c2\u4e0b\u7ebf\u7684\u8282\u70b9\u662f\u4e3b\u8282\u70b9\u65f6\uff0c\u54e8\u5175\u8282\u70b9\u4f1a\u901a\u8fc7\u6307\u4ee4sentinel is-masterdown-by-addr<\/code>\u5bfb\u6c42\u5176\u5b83\u54e8\u5175\u8282\u70b9\u5bf9\u4e3b\u8282\u70b9\u7684\u5224\u65ad\uff0c\u5f53\u8d85\u8fc7quorum\uff08\u5728sentinel\u914d\u7f6e\u4e2d\u914d\u7f6e\u7684\u6cd5\u5b9a\u4eba\u6570\uff09\u4e2a\u6570\uff0c\u6b64\u65f6\u54e8\u5175\u8282\u70b9\u5219\u8ba4\u4e3a\u8be5\u4e3b\u8282\u70b9\u786e\u5b9e\u6709\u95ee\u9898\uff0c\u8fd9\u6837\u5c31\u5ba2\u89c2\u4e0b\u7ebf\u4e86\uff0c\u5927\u90e8\u5206\u54e8\u5175\u8282\u70b9\u90fd\u540c\u610f\u4e0b\u7ebf\u64cd\u4f5c\uff0c\u4e5f\u5c31\u8bf4\u662f\u5ba2\u89c2\u4e0b\u7ebf\u3002<\/p>\n
\u6ce8\u610f\u5ba2\u89c2\u4e0b\u7ebf\u53ea\u9488\u5bf9master\u8282\u70b9\u751f\u6548\uff0c\u5b83\u4f1a\u89e6\u53d1\u6545\u969c\u8f6c\u79fb<\/p>\n
3\uff0cmaster\u4e0b\u7ebf\u4e86\uff0c\u9700\u8981\u8fdb\u884c\u6545\u969c\u8f6c\u79fb<\/p>\n
\u8fd9\u91cc\u53c8\u5206\u4e3a\u4e24\u6b65\uff0c\u9996\u5148\u9700\u8981\u9009\u62e9sentinel\u54e8\u5175\u4e3b\u8282\u70b9\uff0c\u901a\u8fc7sentinel\u4e3b\u8282\u70b9\u6765\u8fdb\u884credis\u7684\u6545\u969c\u8f6c\u79fb\u3002<\/p>\n
\u9996\u5148\u662fsentinel\u9009\u4e3e\u9886\u5bfc\u8005\u3002\u4f7f\u7528raft\u7b97\u6cd5\uff08\u72b6\u6001\u5171\u8bc6\u7b97\u6cd5\uff09\u3002<\/p>\n
\u6bcf\u4e00\u4e2aSentinel\u8282\u70b9\u90fd\u53ef\u4ee5\u6210\u4e3aLeader\uff0c\u5f53\u4e00\u4e2aSentinel\u8282\u70b9\u786e\u8ba4redis\u96c6\u7fa4\u7684\u4e3b\u8282\u70b9\u4e3b\u89c2\u4e0b\u7ebf\u540e\uff0c\u4f1a\u8bf7\u6c42\u5176\u4ed6Sentinel\u8282\u70b9\u8981\u6c42\u5c06\u81ea\u5df1\u9009\u4e3e\u4e3aLeader\u3002\u88ab\u8bf7\u6c42\u7684Sentinel\u8282\u70b9\u5982\u679c\u6ca1\u6709\u540c\u610f\u8fc7\u5176\u4ed6Sentinel\u8282\u70b9\u7684\u9009\u4e3e\u8bf7\u6c42\uff0c\u5219\u540c\u610f\u8be5\u8bf7\u6c42(\u9009\u4e3e\u7968\u6570+1)\uff0c\u5426\u5219\u4e0d\u540c\u610f\u3002<\/p>\n
\u5982\u679c\u4e00\u4e2aSentinel\u8282\u70b9\u83b7\u5f97\u7684\u9009\u4e3e\u7968\u6570\u8fbe\u5230Leader\u6700\u4f4e\u7968\u6570(quorum\u548cSentinel\u8282\u70b9\u6570\/2+1\u7684\u6700\u5927\u503c)\uff0c\u5219\u8be5Sentinel\u8282\u70b9\u9009\u4e3e\u4e3aLeader\uff1b\u5426\u5219\u91cd\u65b0\u8fdb\u884c\u9009\u4e3e\u3002<\/p>\n
Raft\u6838\u5fc3\u601d\u60f3\uff1a\u5148\u5230\u5148\u5f97\uff0c\u5c11\u6570\u670d\u4ece\u591a\u6570\u3002<\/p>\n
sentinel\u9009\u4e3e\u51fa\u4e3b\u8282\u70b9\u540e\uff0csentinel\u4e3b\u8282\u70b9\u9700\u8981\u9009\u4e3e\u51faredis\u96c6\u7fa4\u4e3b\u8282\u70b9\uff0c\u6784\u5efa\u65b0\u7684\u96c6\u7fa4\u5173\u7cfb\u3002<\/p>\n
\u9009\u4e3e\u65b0redis\u4e3b\u8282\u70b9\u7684\u4f9d\u636e\u662f\uff1a<\/p>\n
1\u3001\u4e0esentinel\u65ad\u5f00\u8fde\u63a5\u7684\u65f6\u95f4\u3002\u8fc7\u6ee4\u53d1\u73b0\u4e0e\u4e3bsentinel\u670d\u52a1\u5668\u65ad\u5f00\u8fde\u63a5\u7684\u65f6\u95f4\u8d85\u8fc7\u914d\u7f6e\u7684\u4e3b\u673a\u8d85\u65f6\u65f6\u95f4down-after-milliseconds\u7684\u526f\u672cslaves<\/p>\n
2\u3001\u526f\u672c\u4f18\u5148\u7ea7\u3002 \u4f18\u5148\u9009\u62e9replica-priority\u4f4e\u7684\u3002<\/p>\n
3\u3001\u5982\u679c\u4f18\u5148\u7ea7\u76f8\u540c\uff0c\u5df2\u5904\u7406\u590d\u5236\u504f\u79fb\u91cf\u3002\u8d8a\u5927\u8d8a\u4f18\u5148\uff0c\u8fd9\u4e2a\u66f4\u7b26\u5408\u4e1a\u52a1\u573a\u666f\u529f\u80fd\u3002<\/p>\n
4\u3001\u5982\u679c\u590d\u5236offset\u76f8\u540c\uff0c\u5c31\u770b\u8fd0\u884cID\u3002\u4f18\u5148\u9009\u62e9\u5c0f\u7684\u3002<\/p>\n
\u9009\u62e9\u51famaster\u8282\u70b9\u540e\uff0c\u5f00\u59cb\u7ef4\u62a4\u96c6\u7fa4\u5173\u7cfb\u3002<\/p>\n
1\u3001sentinel\u8282\u70b9\uff0c\u5411\u65b0\u4e3b\u8282\u70b9\u53d1\u9001\uff0cslave no one\u547d\u4ee4\uff0c\u8ba9\u5b83\u6210\u4e3a\u72ec\u7acb\u8282\u70b9<\/p>\n
2\u3001sentinel\u8282\u70b9\uff0c\u5411\u5176\u4ed6\u8282\u70b9\u53d1\u9001 slaveof ip port\uff0c\u8ddf\u968f\u5230\u4e3b\u8282\u70b9<\/p>\n
\u4e94\u3001\u603b\u7ed3<\/strong><\/h3>\n
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\u600e\u4e48\u89e3\u6790Redis\u4e2d\u7684\u54e8\u5175\u6a21\u5f0f\u539f...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-202348","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202348","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=202348"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202348\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=202348"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=202348"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=202348"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}