{"id":201184,"date":"2025-05-10T08:40:33","date_gmt":"2025-05-10T00:40:33","guid":{"rendered":"https:\/\/server.hk\/cnblog\/201184\/"},"modified":"2025-05-10T08:40:33","modified_gmt":"2025-05-10T00:40:33","slug":"redis-sentinel%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%90%ad%e5%bb%ba","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/201184\/","title":{"rendered":"Redis Sentinel\u7684\u57fa\u672c\u642d\u5efa"},"content":{"rendered":"

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

Redis Sentinel\u7684\u57fa\u672c\u642d\u5efa<\/h1>\n

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

\u672c\u7bc7\u6587\u7ae0\u5411\u5927\u5bb6\u4ecb\u7ecd\u300aRedis Sentinel\u7684\u57fa\u672c\u642d\u5efa\u300b\uff0c\u4e3b\u8981\u5305\u62ecRedisSentinel\uff0c\u5177\u6709\u4e00\u5b9a\u7684\u53c2\u8003\u4ef7\u503c\uff0c\u9700\u8981\u7684\u670b\u53cb\u53ef\u4ee5\u53c2\u8003\u4e00\u4e0b\u3002<\/p>\n

Redis Sentinel\u7684\u6982\u5ff5<\/h2>\n

   \u6211\u4eec\u77e5\u9053Redis\u4e3b\u4ece\u6a21\u5f0f\u4e0b\uff0c\u4e00\u65e6\u4e3b\u8282\u70b9\u7531\u4e8e\u6545\u969c\u4e0d\u80fd\u63d0\u4f9b\u670d\u52a1\uff0c\u9700\u8981\u4eba\u5de5\u5c06\u4ece\u8282\u70b9\u664b\u5347\u4e3a\u4e3b\u8282\u70b9\uff0c\u540c\u65f6\u8fd8\u8981\u901a\u77e5\u5e94\u7528\u65b9\u66f4\u65b0\u4e3b\u8282\u70b9\u7684\u5730\u5740\u3002\u7136\u540e\u5728\u5f88\u591a\u5e94\u7528\u573a\u666f\u4e0b\u8fd9\u79cd\u6545\u969c\u5904\u7406\u7684\u65b9\u5f0f\u662f\u65e0\u6cd5\u63a5\u53d7\u7684\uff0c\u5e94\u7528\u7a0b\u5e8f\u9700\u8981\u5b9e\u65f6\u611f\u77e5\u5f53\u524d\u7684\u53ef\u7528\u8282\u70b9\u3002\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0cRedis Sentinel\u5e94\u8fd0\u800c\u751f\uff0c\u4e5f\u79f0\u4e4b\u4e3a”\u54e8\u5175”\u3002<\/p>\n

   \u4ecb\u7ecdsentinel\u4e4b\u524d\uff0c\u5148\u6765\u4e86\u89e3\u51e0\u4e2aredis\u7684\u6982\u5ff5\uff0c<\/p>\n

\u4e3b\u8282\u70b9master\uff1aRedis\u8fdb\u7a0b\uff0c\u4e3b\u670d\u52a1<\/p>\n

\u4ece\u8282\u70b9slave:redis\u8fdb\u7a0b\uff0c\u4ece\u670d\u52a1<\/p>\n

Redis\u6570\u636e\u8282\u70b9\uff1a\u4e3b\u8282\u70b9\u548c\u4ece\u8282\u70b9<\/p>\n

Sentinel\u8282\u70b9\uff1a\u76d1\u63a7Redis\u6570\u636e\u8282\u70b9\uff0c\u72ec\u7acb\u7684sentinel\u8fdb\u7a0b<\/p>\n

Sentinel\u8282\u70b9\u96c6\u5408\uff1a\u82e5\u5e72Sentinel\u8282\u70b9\u7684\u62bd\u8c61\u7ec4\u5408\uff0c\u82e5\u5e72sentinel\u8282\u70b9\u8fdb\u7a0b<\/p>\n

Redis Sentinel\uff1aRedis\u9ad8\u53ef\u7528\u5b9e\u73b0\u65b9\u6848\uff0csentinel\u8282\u70b9\u96c6\u5408\u548credis\u6570\u636e\u8282\u70b9\u8fdb\u7a0b<\/p>\n

01 \u4e3b\u4ece\u590d\u5236\u95ee\u9898<\/h2>\n

\u524d\u9762\u7684\u6587\u7ae0\u4e2d\u6211\u4eec\u8bb2\u8ff0\u4e86\u4e3b\u4ece\u590d\u5236\uff0c\u53ef\u4ee5\u5c06\u4ece\u8282\u70b9\u4f5c\u4e3a\u4e3b\u8282\u70b9\u7684\u707e\u5907\u8282\u70b9\uff0c\u4eca\u5929\u6211\u4eec\u6765\u770b\u4e3b\u4ece\u590d\u5236\u5e26\u6765\u7684\u95ee\u9898\uff1a<\/p>\n

1\u3001\u4e00\u65e6\u4e3b\u8282\u70b9\u53d1\u751f\u6545\u969c\uff0c\u4ece\u8282\u70b9\u664b\u5347\u4e3a\u4e3b\u8282\u70b9\u7684\u8fc7\u7a0b\u548c\u5e94\u7528\u8c03\u6574\u65b0\u4e3b\u8282\u70b9\u7684\u8fc7\u7a0b\uff0c\u90fd\u9700\u8981\u4eba\u4e3a\u5e72\u9884<\/p>\n

2\u3001\u4e3b\u8282\u70b9\u7684\u5199\u80fd\u529b\u5bb9\u6613\u53d7\u5230\u5355\u673a\u7684\u9650\u5236<\/p>\n

3\u3001\u4e3b\u8282\u70b9\u7684\u5b58\u50a8\u80fd\u529b\u5bb9\u6613\u53d7\u5230\u5355\u673a\u7684\u9650\u5236<\/p>\n

   \u4e00\u79cd\u5e38\u89c1\u7684\u65b9\u6cd5\u662f\u4f7f\u7528\u811a\u672c\u6765\u89e6\u53d1\u4e3b\u4ece\u8282\u70b9\u7684\u89d2\u8272\u5207\u6362\uff0c\u4f8b\u5982\u5728\u4e00\u4e2a\u4e00\u4e3b\u4e24\u4ece\u7684\u7ed3\u6784\u4e2d\uff0c\u5047\u8bbe\u4e3b\u8282\u70b9master\uff0c\u4ece\u8282\u70b9slave1\uff0cslave2\uff0c\u6211\u4eec\u6765\u770b\u6545\u969c\u53d1\u751f\u65f6\u67b6\u6784\u7684\u72b6\u6001\uff1a<\/p>\n

1\u3001\u4e3b\u8282\u70b9master\u6545\u969c\uff0c\u5ba2\u6237\u7aef\u8fde\u63a5\u5931\u8d25\uff0c\u4e24\u4e2a\u4ece\u8282\u70b9\u590d\u5236\u5931\u8d25<\/p>\n

2\u3001\u9009\u62e9\u4e00\u4e2a\u4e3b\u8282\u70b9slave1\uff0c\u5bf9\u5176\u6267\u884cslave of no one\u547d\u4ee4\u4f7f\u5176\u6210\u4e3a\u4e3b\u8282\u70b9master2<\/p>\n

3\u3001\u66f4\u65b0\u5e94\u7528\u7a0b\u5e8f\u8fde\u63a5\u7684\u8282\u70b9\u4e3aslave1\u7684IP\u5730\u5740<\/p>\n

4\u3001slave2\u4ee5slave1\u4e3a\u65b0\u7684\u4e3b\u8282\u70b9\uff0c\u590d\u5236slave1\u4e0a\u7684\u547d\u4ee4<\/p>\n

5\u3001\u5f85\u539f\u6765\u7684master\u6062\u590d\u4e4b\u540e\uff0c\u8ba9\u5b83\u6210\u4e3aslave1\u7684\u4ece\u8282\u70b9\u3002<\/p>\n

\u4e0a\u8ff0\u8fc7\u7a0b\u53ef\u4ee5\u505a\u6210\u81ea\u52a8\u5316\u7684\u8fc7\u7a0b\uff0c\u4f46\u662f\u9700\u8981\u8003\u8651\u4e09\u70b9\uff1aa\u3001\u8981\u786e\u4fdd\u5224\u65ad\u8282\u70b9\u4e0d\u53ef\u8fbe\u7684\u673a\u5236\u5065\u5168\uff0c\u5426\u5219\u5bb9\u6613\u51fa\u73b0\u8bef\u5224\u65ad\u60c5\u51b5<\/p>\n

b\u3001\u5982\u679c\u6709\u591a\u4e2a\u4ece\u8282\u70b9\uff0c\u5982\u679c\u4fdd\u8bc1\u53ea\u6709\u4e00\u4e2a\u4ece\u8282\u70b9\u88ab\u664b\u5347\u4e3a\u4e3b\u8282\u70b9\u662f\u4e2a\u5173\u952e\u7684\u95ee\u9898<\/p>\n

c\u3001\u901a\u77e5\u5ba2\u6237\u7aef\u65b0\u7684\u4e3b\u8282\u70b9\u7684\u673a\u5236\u662f\u5426\u8db3\u591f\u5065\u58ee<\/p>\n

02 Redis Sentinel\u7684\u9ad8\u53ef\u7528\u673a\u5236<\/h2>\n

   Sentinel\u80fd\u591f\u81ea\u52a8\u5b8c\u6210\u6545\u969c\u53d1\u73b0\u548c\u6545\u969c\u8f6c\u79fb\uff0c\u5e76\u53ca\u65f6\u901a\u77e5\u5e94\u7528\u65b9\u3002\u8fd9\u662f\u5b83\u7684\u6838\u5fc3\u4ef7\u503c\u6240\u5728\u3002<\/p>\n

   Redis Sentinel\u662f\u4e00\u4e2a\u5206\u5e03\u5f0f\u67b6\u6784\uff0c\u5176\u4e2d\u5305\u542b\u82e5\u5e72\u4e2aSentinel\u548c\u82e5\u5e72\u4e2aRedis\u6570\u636e\u8282\u70b9\uff0c\u6bcf\u4e2aSentinel\u8282\u70b9\u4f1a\u5bf9\u6570\u636e\u8282\u70b9\u548c\u5176\u4f59Sentinel\u8282\u70b9\u8fdb\u884c\u76d1\u63a7\uff0c\u5f53\u5b83\u53d1\u73b0\u8282\u70b9\u4e0d\u53ef\u8fbe\u65f6\uff0c\u4f1a\u5bf9\u8282\u70b9\u505a\u4e0b\u7ebf\u8868\u793a\u3002\u5982\u679c\u88ab\u6807\u8bc6\u7684\u662f\u4e3b\u8282\u70b9\uff0c\u5b83\u8fd8\u4f1a\u548c\u5176\u4ed6\u7684sentinel\u8fdb\u884c\u534f\u5546\uff0c\u5f53\u5927\u591a\u6570sentinel\u8282\u70b9\u90fd\u8ba4\u4e3a\u4e3b\u8282\u70b9\u4e0d\u53ef\u8fbe\u65f6\uff0c\u4ed6\u4eec\u4f1a\u9009\u4e3e\u51fa\u6765\u4e00\u4e2asentinel\u8282\u70b9\u6765\u5b9e\u73b0\u6545\u969c\u81ea\u52a8\u8f6c\u79fb\uff0c\u540c\u65f6\u4f1a\u5c06\u8fd9\u4e2a\u53d8\u5316\u901a\u77e5\u7ed9Redis\u5e94\u7528\u65b9\uff0c\u6574\u4e2a\u8fc7\u7a0b\u662f\u81ea\u52a8\u7684\uff0c\u4e0d\u9700\u8981\u4eba\u5de5\u4ecb\u5165\u3002<\/p>\n

Redis Sentinel\u4e0eRedis\u4e3b\u4ece\u590d\u5236\u6a21\u5f0f\u53ea\u662f\u591a\u4e86\u82e5\u5e72\u4e2asentinel\u8282\u70b9\uff0c\u5e76\u6ca1\u6709\u5bf9redis\u8282\u70b9\u505a\u7279\u6b8a\u5904\u7406\uff0c\u8fd9\u662f\u5f88\u591aredis\u5f00\u53d1\u548c\u8fd0\u7ef4\u4eba\u5458\u5bb9\u6613\u6df7\u6dc6\u7684\u5730\u65b9\u3002<\/p>\n

\u4e8c\u8005\u67b6\u6784\u56fe\u5982\u4e0b\uff1a<\/p>\n

<\/p>\n

\u5728\u6574\u4e2a\u4e3b\u670d\u52a1\u6545\u969c\u5230\u91cd\u65b0\u9009\u62e9\u4e3b\u670d\u52a1\u7684\u8fc7\u7a0b\u4e2d\uff0csentinel\u4e3b\u8981\u5e72\u5982\u4e0b\u51e0\u4ef6\u4e8b\u60c5\uff1a<\/p>\n

1\u3001\u76d1\u63a7\uff0csentinel\u8282\u70b9\u4f1a\u5b9a\u671f\u68c0\u6d4bredis\u6570\u636e\u8282\u70b9\uff0c\u5176\u4f59sentinel\u8282\u70b9\u662f\u5426\u53ef\u8fbe<\/p>\n

2\u3001\u901a\u77e5\uff0csentinel\u8282\u70b9\u4f1a\u5c06\u6545\u969c\u8f6c\u79fb\u7684\u7ed3\u679c\u901a\u77e5\u7ed9\u5e94\u7528\u65b9\u3002<\/p>\n

3\u3001\u4e3b\u8282\u70b9\u6545\u969c\u8f6c\u79fb\uff1a\u5b9e\u73b0\u4ece\u8282\u70b9\u664b\u5347\u4e3a\u4e3b\u8282\u70b9\u5e76\u7ef4\u62a4\u540e\u7eed\u6b63\u786e\u7684\u4e3b\u4ece\u5173\u7cfb<\/p>\n

4\u3001\u914d\u7f6e\u63d0\u4f9b\u8005\uff1a\u5728redis sentinel\u7ed3\u6784\u4e2d\uff0c\u5ba2\u6237\u7aef\u5728\u521d\u59cb\u5316\u7684\u65f6\u5019\u8fde\u63a5\u7684\u662fsentinel\u8282\u70b9\u96c6\u5408\uff0c\u4ece\u4e2d\u83b7\u53d6\u4e3b\u8282\u70b9\u4fe1\u606f<\/p>\n

   \u4e0a\u9762\u7684\u67b6\u6784\u56fe\u4e2d\u4e0d\u96be\u53d1\u73b0sentinel\u4e5f\u662f\u591a\u4e2a\u7684\uff0c\u8fd9\u6837\u7684\u597d\u5904\u6709\u4e24\u4e2a\uff1a<\/p>\n

1\u3001\u53ef\u4ee5\u4fdd\u8bc1sentinel\u7684\u5065\u58ee\u6027\uff0c\u4e00\u4e2asentinel\u6302\u4e86\uff0c\u4e0d\u5f71\u54cd\u6574\u4e2a\u96c6\u7fa4\u7684\u529f\u80fd\u3002<\/p>\n

2\u3001\u5bf9\u4e8e\u8282\u70b9\u7684\u6545\u969c\u5224\u65ad\u662f\u591a\u4e2asentinel\u540c\u65f6\u5224\u65ad\u51fa\u6765\u7684\uff0c\u6709\u6548\u7684\u9632\u6b62\u4e86\u8bef\u5224<\/p>\n

    sentinel\u8282\u70b9\u672c\u8eab\u5176\u5b9e\u5c31\u662f\u72ec\u7acb\u7684redis\u8282\u70b9\uff0c\u53ea\u4e0d\u8fc7\u5b83\u4eec\u4e0d\u5b58\u5904\u6570\u636e\uff0c\u53ea\u652f\u6301\u90e8\u5206\u547d\u4ee4\u3002<\/p>\n

    \u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u6765\u770bsentinel\u7684\u90e8\u7f72\u548c\u914d\u7f6e\u6587\u4ef6\u5185\u5bb9\u3002<\/p>\n

03 sentinel\u90e8\u7f72<\/h2>\n

    sentinel\u90e8\u7f72\u4e4b\u524d\uff0c\u9700\u8981\u5148\u6709master\u548c\u4e24\u4e2aslave\u7684\u4e00\u4e3b\u4e24\u4ece\u67b6\u6784\uff1a<\/p>\n

\n127.0.0.1:6379> info replication\n# Replication\nrole:master\nconnected_slaves:2\nslave0:ip=127.0.0.1,port=6380,state=online,offset=169,lag=1\nslave1:ip=127.0.0.1,port=6381,state=online,offset=169,lag=1\nmaster_repl_offset:183\nrepl_backlog_active:1\nrepl_backlog_size:1048576\nrepl_backlog_first_byte_offset:2\nrepl_backlog_histlen:182<\/pre>\n
  sentinel\u7684\u90e8\u7f72\u914d\u7f6e\u6587\u4ef6\uff1a<\/p>\n
\n[root@VM_48_10_centos redis]# cat redis-sentinel-26379.conf \nport 26379\ndaemonize yes\nlogfile \"26379.log\"\ndir \"\/usr\/local\/redis-3.0.7\"\nsentinel monitor mymaster 127.0.0.1 6379 2<\/pre>\n
  \u5176\u4e2d\uff0csentinel monitor mymaster\u4ee3\u8868sentinel\u8981\u76d1\u63a7\u4e3b\u8282\u70b96379,2\u4ee3\u8868\u5224\u65ad\u4e3b\u8282\u70b9\u5931\u8d25\u81f3\u5c11\u9700\u89812\u4e2asentinel\u8282\u70b9\u540c\u610f\u3002<\/p>\n
  \u5176\u4f59\u4e24\u4e2asentinel\u7684\u914d\u7f6e\u6587\u4ef6\u548c\u8fd9\u4e2a\u5927\u540c\u5c0f\u5f02\uff0c\u53ea\u9700\u8981\u4fee\u6539\u5bf9\u5e94\u7aef\u53e3\u548c\u65e5\u5fd7\u6587\u4ef6\u5373\u53ef\u3002sentinel\u542f\u52a8\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n
\n[root@VM_48_10_centos redis]# redis-sentinel redis-sentinel-26379.conf &\n[1] 7311\n[root@VM_48_10_centos redis]# redis-sentinel redis-sentinel-26380.conf &\n[1] 7366\n[root@VM_48_10_centos redis]# redis-sentinel redis-sentinel-26381.conf &\n[2] 7380\n[root@VM_48_10_centos redis]# \n[root@VM_48_10_centos redis]# ps -ef|grep sentinel\nroot      7312     1  0 22:51 ?        00:00:00 redis-sentinel *:26379 [sentinel]\nroot      7367     1  0 22:52 ?        00:00:00 redis-sentinel *:26380 [sentinel]\nroot      7381     1  0 22:52 ?        00:00:00 redis-sentinel *:26381 [sentinel]\nroot      7405  5850  0 22:52 pts\/7    00:00:00 grep --color=auto sentinel<\/pre>\n
\u6b64\u65f6\uff0c\u91cd\u65b0\u67e5\u770b26379\u8fd9\u4e2asentinel\u7684\u914d\u7f6e\u6587\u4ef6\uff0c\u4f1a\u53d1\u73b0\u91cc\u9762\u591a\u4e86\u4e00\u4e9b\u5185\u5bb9\uff1a<\/p>\n
\n[root@VM_48_10_centos redis]# cat redis-sentinel-26379.conf \nport 26379\ndaemonize yes\nlogfile \"26379.log\"\ndir \"\/usr\/local\/redis-3.0.7\"\nsentinel monitor mymaster 127.0.0.1 6379 2\nsentinel config-epoch mymaster 0\nsentinel leader-epoch mymaster 0\nsentinel known-slave mymaster 127.0.0.1 6380\n# Generated by CONFIG REWRITE\nsentinel known-slave mymaster 127.0.0.1 6381\nsentinel known-sentinel mymaster 127.0.0.1 26381 0a2c77616ef88282fa12ef7c8aca142a2473cd5a\nsentinel known-sentinel mymaster 127.0.0.1 26380 3ad6460bf5f4b01f277fdce3aa423d596993eec5\nsentinel current-epoch 0<\/pre>\n
   \u53ef\u4ee5\u53d1\u73b0\uff0csentinel\u4e4b\u95f4\u5df2\u7ecf\u8fdb\u884c\u4e86\u4ea4\u4e92\uff0c\u5e76\u5199\u5165\u4e86\u914d\u7f6e\u6587\u4ef6\u4e2d\u4e00\u4e9b\u5df2\u7ecf\u83b7\u53d6\u5230\u7684\u5185\u5bb9\u3002<\/p>\n
\u4f7f\u7528\u547d\u4ee4info sentinel\u67e5\u770b\u5f53\u524dsentinel\u96c6\u7fa4\u7684\u4fe1\u606f\uff1a<\/p>\n
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