{"id":201181,"date":"2025-05-10T09:17:42","date_gmt":"2025-05-10T01:17:42","guid":{"rendered":"https:\/\/server.hk\/cnblog\/201181\/"},"modified":"2025-05-10T09:17:42","modified_gmt":"2025-05-10T01:17:42","slug":"%e6%b5%85%e6%9e%90redis-sentinel-%e4%b8%8e-redis-cluster","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/201181\/","title":{"rendered":"\u6d45\u6790Redis Sentinel \u4e0e Redis Cluster"},"content":{"rendered":"

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

\u6d45\u6790Redis Sentinel \u4e0e Redis Cluster<\/h1>\n

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

\u77e5\u8bc6\u70b9\u638c\u63e1\u4e86\uff0c\u8fd8\u9700\u8981\u4e0d\u65ad\u7ec3\u4e60\u624d\u80fd\u719f\u7ec3\u8fd0\u7528\u3002\u4e0b\u9762golang\u5b66\u4e60\u7f51\u7ed9\u5927\u5bb6\u5e26\u6765\u4e00\u4e2a\u6570\u636e\u5e93\u5f00\u53d1\u5b9e\u6218\uff0c\u624b\u628a\u624b\u6559\u5927\u5bb6\u5b66\u4e60\u300a\u6d45\u6790Redis Sentinel \u4e0e Redis Cluster\u300b\uff0c\u5728\u5b9e\u73b0\u529f\u80fd\u7684\u8fc7\u7a0b\u4e2d\u4e5f\u5e26\u5927\u5bb6\u91cd\u65b0\u6e29\u4e60\u76f8\u5173\u77e5\u8bc6\u70b9\uff0c\u6e29\u6545\u800c\u77e5\u65b0\uff0c\u56de\u5934\u770b\u770b\u8bf4\u4e0d\u5b9a\u53c8\u6709\u4e0d\u4e00\u6837\u7684\u611f\u609f\uff01<\/p>\n

\u4e00\u3001\u524d\u8a00<\/h2>\n

\u4e92\u8054\u7f51\u9ad8\u901f\u53d1\u5c55\u7684\u4eca\u5929\uff0c\u5bf9\u5e94\u7528\u7cfb\u7edf\u7684\u6297\u538b\u80fd\u529b\u8981\u6c42\u8d8a\u6765\u8d8a\u9ad8\uff0c\u4f20\u7edf\u7684\u5e94\u7528\u5c42+\u6570\u636e\u5e93\u5df2\u7ecf\u4e0d\u80fd\u6ee1\u8db3\u5f53\u524d\u7684\u9700\u8981\u3002\u6240\u4ee5\u4e00\u5927\u6279\u5185\u5b58\u5f0f\u6570\u636e\u5e93\u548cNosql\u6570\u636e\u5e93\u5e94\u8fd0\u800c\u751f\uff0c\u5176\u4e2dredis,memcache,mongodb,hbase\u7b49\u88ab\u5e7f\u6cdb\u7684\u4f7f\u7528\u6765\u63d0\u9ad8\u7cfb\u7edf\u7684\u541e\u5410\u6027\uff0c\u6240\u4ee5\u5982\u4f55\u6b63\u786e\u4f7f\u7528cache\u662f\u4f5c\u4e3a\u5f00\u53d1\u7684\u4e00\u9879\u57fa\u6280\u80fd\u3002\u672c\u6587\u4e3b\u8981\u4ecb\u7ecdRedis Sentinel \u53ca Redis Cluster\u7684\u533a\u522b\u53ca\u7528\u6cd5\uff0cRedis\u7684\u57fa\u672c\u64cd\u4f5c\u53ef\u4ee5\u81ea\u884c\u53bb\u53c2\u770b\u5176\u5b98\u65b9\u6587\u6863 \u3002 \u5176\u4ed6\u51e0\u79cdcache\u6709\u5174\u8da3\u7684\u53ef\u81ea\u884c\u627e\u8d44\u6599\u53bb\u5b66\u4e60\u3002<\/p>\n

\u4e8c\u3001Redis Sentinel \u53ca Redis Cluster \u7b80\u4ecb<\/h2>\n

1\u3001Redis Sentinel<\/h3>\n

 Redis-Sentinel(\u54e8\u5175\u6a21\u5f0f)\u662fRedis\u5b98\u65b9\u63a8\u8350\u7684\u9ad8\u53ef\u7528\u6027(HA)\u89e3\u51b3\u65b9\u6848\uff0c\u5f53\u7528Redis\u505aMaster-slave\u7684\u9ad8\u53ef\u7528\u65b9\u6848\u65f6\uff0c\u5047\u5982master\u5b95\u673a\u4e86\uff0cRedis\u672c\u8eab(\u5305\u62ec\u5b83\u7684\u5f88\u591a\u5ba2\u6237\u7aef)\u90fd\u6ca1\u6709\u5b9e\u73b0\u81ea\u52a8\u8fdb\u884c\u4e3b\u5907\u5207\u6362\uff0c\u800cRedis-sentinel\u672c\u8eab\u4e5f\u662f\u4e00\u4e2a\u72ec\u7acb\u8fd0\u884c\u7684\u8fdb\u7a0b\uff0c\u5b83\u80fd\u76d1\u63a7\u591a\u4e2amaster-slave\u96c6\u7fa4\uff0c\u53d1\u73b0master\u5b95\u673a\u540e\u80fd\u8fdb\u884c\u81ea\u61c2\u5207\u6362\u3002\u5b83\u7684\u4e3b\u8981\u529f\u80fd\u6709\u4ee5\u4e0b\u51e0\u70b9\uff1a<\/p>\n

    \n
  • \u4e0d\u65f6\u5730\u76d1\u63a7redis\u662f\u5426\u6309\u7167\u9884\u671f\u826f\u597d\u5730\u8fd0\u884c;<\/li>\n
  • \u5982\u679c\u53d1\u73b0\u67d0\u4e2aredis\u8282\u70b9\u8fd0\u884c\u51fa\u73b0\u72b6\u51b5\uff0c\u80fd\u591f\u901a\u77e5\u53e6\u5916\u4e00\u4e2a\u8fdb\u7a0b(\u4f8b\u5982\u5b83\u7684\u5ba2\u6237\u7aef);<\/li>\n
  • \u80fd\u591f\u8fdb\u884c\u81ea\u52a8\u5207\u6362\u3002\u5f53\u4e00\u4e2amaster\u8282\u70b9\u4e0d\u53ef\u7528\u65f6\uff0c\u80fd\u591f\u9009\u4e3e\u51famaster\u7684\u591a\u4e2aslave(\u5982\u679c\u6709\u8d85\u8fc7\u4e00\u4e2aslave\u7684\u8bdd)\u4e2d\u7684\u4e00\u4e2a\u6765\u4f5c\u4e3a\u65b0\u7684master,\u5176\u5b83\u7684slave\u8282\u70b9\u4f1a\u5c06\u5b83\u6240\u8ffd\u968f\u7684master\u7684\u5730\u5740\u6539\u4e3a\u88ab\u63d0\u5347\u4e3amaster\u7684slave\u7684\u65b0\u5730\u5740\u3002<\/li>\n<\/ul>\n

           Redis master-slave \u6a21\u5f0f\u5982\u4e0b\u56fe\uff1a<\/p>\n

     <\/p>\n

    \u4ece\u4e0a\u56fe\u7247\u4e2d\u53ef\u4ee5\u770b\u5230\uff0c\u4e00\u4e2amaster \u8282\u70b9\u53ef\u4ee5\u6302\u591a\u4e2aslave  \uff0cRedis Sentinel \u7ba1\u7406Redis \u8282\u70b9\u7ed3\u6784\u5982\u4e0b\uff1a<\/p>\n

        <\/p>\n

    \u4e0a\u56fe\u4e2d\u53ef\u4ee5\u5f97\u51faSentinel\u5176\u5b9e\u5c31\u662fClient\u548cRedis\u4e4b\u95f4\u7684\u6865\u6881\uff0c\u6240\u6709\u7684\u5ba2\u6237\u7aef\u90fd\u901a\u8fc7Sentinel\u7a0b\u5e8f\u83b7\u53d6Redis\u7684Master\u670d\u52a1\u3002\u9996\u5148Sentinel\u662f\u96c6\u7fa4\u90e8\u7f72\u7684\uff0cClient\u53ef\u4ee5\u94fe\u63a5\u4efb\u4f55\u4e00\u4e2aSentinel\u670d\u52a1\u6240\u83b7\u7684\u7ed3\u679c\u90fd\u662f\u4e00\u81f4\u7684\u3002\u5176\u6b21\uff0c\u6240\u6709\u7684Sentinel\u670d\u52a1\u90fd\u4f1a\u5bf9Redis\u7684\u4e3b\u4ece\u670d\u52a1\u8fdb\u884c\u76d1\u63a7\uff0c\u5f53\u76d1\u63a7\u5230Master\u670d\u52a1\u65e0\u54cd\u5e94\u7684\u65f6\u5019\uff0cSentinel\u5185\u90e8\u8fdb\u884c\u4ef2\u88c1\uff0c\u4ece\u6240\u6709\u7684 Slave\u9009\u4e3e\u51fa\u4e00\u4e2a\u505a\u4e3a\u65b0\u7684Master\u3002\u5e76\u4e14\u628a\u5176\u4ed6\u7684slave\u4f5c\u4e3a\u65b0\u7684Master\u7684Slave\u3002\u6700\u540e\u901a\u77e5\u6240\u6709\u7684\u5ba2\u6237\u7aef\u65b0\u7684Master\u670d\u52a1\u5730\u5740\u3002\u5982\u679c\u65e7\u7684Master\u670d\u52a1\u5730\u5740\u91cd\u65b0\u542f\u52a8\uff0c\u8fd9\u4e2a\u65f6\u5019\uff0c\u5b83\u5c06\u88ab\u8bbe\u7f6e\u4e3aSlave\u670d\u52a1\u3002<\/p>\n

    Sentinel \u53ef\u4ee5\u7ba1\u7406master-slave\u8282\u70b9\uff0c\u770b\u4f3cRedis\u7684\u7a33\u5b9a\u6027\u5f97\u5230\u4e00\u4e2a\u6bd4\u8f83\u597d\u7684\u4fdd\u969c\u3002\u4f46\u662f\u5982\u679cSentinel\u662f\u5355\u8282\u70b9\u7684\u8bdd\uff0c\u5982\u679cSentinel\u5b95\u673a\u4e86\uff0c\u90a3master-slave\u8fd9\u79cd\u6a21\u5f0f\u5c31\u4e0d\u80fd\u53d1\u6325\u5176\u4f5c\u7528\u4e86\u3002\u5e78\u597dSentinel\u4e5f\u652f\u6301\u96c6\u7fa4\u6a21\u5f0f\uff0cSentinel\u7684\u96c6\u7fa4\u6a21\u5f0f\u4e3b\u8981\u6709\u4ee5\u4e0b\u51e0\u4e2a\u597d\u5904\uff1a<\/p>\n

      \n
    • \u5373\u4f7f\u6709\u4e00\u4e9bsentinel\u8fdb\u7a0b\u5b95\u6389\u4e86\uff0c\u4f9d\u7136\u53ef\u4ee5\u8fdb\u884credis\u96c6\u7fa4\u7684\u4e3b\u5907\u5207\u6362\uff1b<\/li>\n
    • \u5982\u679c\u53ea\u6709\u4e00\u4e2asentinel\u8fdb\u7a0b\uff0c\u5982\u679c\u8fd9\u4e2a\u8fdb\u7a0b\u8fd0\u884c\u51fa\u9519\uff0c\u6216\u8005\u662f\u7f51\u7edc\u5835\u585e\uff0c\u90a3\u4e48\u5c06\u65e0\u6cd5\u5b9e\u73b0redis\u96c6\u7fa4\u7684\u4e3b\u5907\u5207\u6362\uff08\u5355\u70b9\u95ee\u9898\uff09;<\/li>\n
    • \u5982\u679c\u6709\u591a\u4e2asentinel\uff0credis\u7684\u5ba2\u6237\u7aef\u53ef\u4ee5\u968f\u610f\u5730\u8fde\u63a5\u4efb\u610f\u4e00\u4e2asentinel\u6765\u83b7\u5f97\u5173\u4e8eredis\u96c6\u7fa4\u4e2d\u7684\u4fe1\u606f\u3002<\/li>\n<\/ul>\n

           Redis Sentinel \u96c6\u7fa4\u6a21\u5f0f\u53ef\u4ee5\u589e\u5f3a\u6574\u4e2aRedis\u96c6\u7fa4\u7684\u7a33\u5b9a\u6027\u4e0e\u53ef\u9760\u6027\uff0c\u4f46\u662f\u5f53\u67d0\u4e2a\u8282\u70b9\u7684master\u8282\u70b9\u6302\u4e86\u8981\u91cd\u65b0\u9009\u53d6\u51fa\u65b0\u7684master\u8282\u70b9\u65f6\uff0cRedis Sentinel\u7684\u96c6\u7fa4\u6a21\u5f0f\u9009\u53d6\u7684\u590d\u6742\u5ea6\u663e\u7136\u9ad8\u4e8e\u5355\u70b9\u7684Redis Sentinel \u6a21\u5f0f\uff0c\u6b64\u65f6\u9700\u8981\u4e00\u4e2a\u6bd4\u8f83\u9760\u8c31\u7684\u9009\u53d6\u7b97\u6cd5\u3002\u4e0b\u9762\u5c31\u6765\u4ecb\u7ecdRedis Sentinel \u96c6\u7fa4\u6a21\u5f0f\u7684 \u201c\u4ef2\u88c1\u4f1a\u201d(\u591a\u4e2aRedis Sentinel\u5171\u540c\u5546\u91cf\u8c01\u662fRedis \u7684 master\u8282\u70b9)<\/p>\n

      1.1\u3001Redis Sentinel \u96c6\u7fa4\u6a21\u5f0f\u7684 \u201c\u4ef2\u88c1\u4f1a\u201d<\/h4>\n

       \u5f53\u4e00\u4e2amaster\u88absentinel\u96c6\u7fa4\u76d1\u63a7\u65f6\uff0c\u9700\u8981\u4e3a\u5b83\u6307\u5b9a\u4e00\u4e2a\u53c2\u6570\uff0c\u8fd9\u4e2a\u53c2\u6570\u6307\u5b9a\u4e86\u5f53\u9700\u8981\u5224\u51b3master\u4e3a\u4e0d\u53ef\u7528\uff0c\u5e76\u4e14\u8fdb\u884cfailover\u65f6\uff0c\u6240\u9700\u8981\u7684sentinel\u6570\u91cf\uff0c\u672c\u6587\u4e2d\u6211\u4eec\u6682\u65f6\u79f0\u8fd9\u4e2a\u53c2\u6570\u4e3a\u7968\u6570,\u4e0d\u8fc7\uff0c\u5f53failover\u4e3b\u5907\u5207\u6362\u771f\u6b63\u88ab\u89e6\u53d1\u540e\uff0cfailover\u5e76\u4e0d\u4f1a\u9a6c\u4e0a\u8fdb\u884c\uff0c\u8fd8\u9700\u8981sentinel\u4e2d\u7684\u5927\u591a\u6570sentinel\u6388\u6743\u540e\u624d\u53ef\u4ee5\u8fdb\u884cfailover\u3002\u5f53ODOWN\u65f6\uff0cfailover\u88ab\u89e6\u53d1\u3002failover\u4e00\u65e6\u88ab\u89e6\u53d1\uff0c\u5c1d\u8bd5\u53bb\u8fdb\u884cfailover\u7684sentinel\u4f1a\u53bb\u83b7\u5f97\u201c\u5927\u591a\u6570\u201dsentinel\u7684\u6388\u6743\uff08\u5982\u679c\u7968\u6570\u6bd4\u5927\u591a\u6570\u8fd8\u8981\u5927\u7684\u65f6\u5019\uff0c\u5219\u8be2\u95ee\u66f4\u591a\u7684sentinel)\u8fd9\u4e2a\u533a\u522b\u770b\u8d77\u6765\u5f88\u5fae\u5999\uff0c\u4f46\u662f\u5f88\u5bb9\u6613\u7406\u89e3\u548c\u4f7f\u7528\u3002\u4f8b\u5982\uff0c\u96c6\u7fa4\u4e2d\u67095\u4e2asentinel\uff0c\u7968\u6570\u88ab\u8bbe\u7f6e\u4e3a2\uff0c\u5f532\u4e2asentinel\u8ba4\u4e3a\u4e00\u4e2amaster\u5df2\u7ecf\u4e0d\u53ef\u7528\u4e86\u4ee5\u540e\uff0c\u5c06\u4f1a\u89e6\u53d1failover\uff0c\u4f46\u662f\uff0c\u8fdb\u884cfailover\u7684\u90a3\u4e2asentinel\u5fc5\u987b\u5148\u83b7\u5f97\u81f3\u5c113\u4e2asentinel\u7684\u6388\u6743\u624d\u53ef\u4ee5\u5b9e\u884cfailover\u3002\u5982\u679c\u7968\u6570\u88ab\u8bbe\u7f6e\u4e3a5\uff0c\u8981\u8fbe\u5230ODOWN\u72b6\u6001\uff0c\u5fc5\u987b\u6240\u67095\u4e2asentinel\u90fd\u4e3b\u89c2\u8ba4\u4e3amaster\u4e3a\u4e0d\u53ef\u7528\uff0c\u8981\u8fdb\u884cfailover\uff0c\u90a3\u4e48\u5f97\u83b7\u5f97\u6240\u67095\u4e2asentinel\u7684\u6388\u6743\u3002<\/p>\n

      2\u3001Redis Cluster<\/h3>\n

      \u4f7f\u7528Redis Sentinel \u6a21\u5f0f\u67b6\u6784\u7684\u7f13\u5b58\u4f53\u7cfb\uff0c\u5728\u4f7f\u7528\u7684\u8fc7\u7a0b\u4e2d\uff0c\u968f\u7740\u4e1a\u52a1\u7684\u589e\u52a0\u4e0d\u53ef\u907f\u514d\u7684\u8981\u5bf9Redis\u8fdb\u884c\u6269\u5bb9\uff0c\u719f\u77e5\u7684\u6269\u5bb9\u65b9\u5f0f\u6709\u4e24\u79cd\uff0c\u4e00\u79cd\u662f\u5782\u76f4\u6269\u5bb9\uff0c\u4e00\u79cd\u662f\u6c34\u5e73\u6269\u5bb9\u3002\u5782\u76f4\u6269\u5bb9\u8868\u793a\u901a\u8fc7\u52a0\u5185\u5b58\u65b9\u5f0f\u6765\u589e\u52a0\u6574\u4e2a\u7f13\u5b58\u4f53\u7cfb\u7684\u5bb9\u91cf\u6bd4\u5982\u5c06\u7f13\u5b58\u5927\u5c0f\u75312G\u8c03\u6574\u52304G,\u8fd9\u79cd\u6269\u5bb9\u4e0d\u9700\u8981\u5e94\u7528\u7a0b\u5e8f\u652f\u6301\uff1b\u6c34\u5e73\u6269\u5bb9\u8868\u793a\u8868\u793a\u901a\u8fc7\u589e\u52a0\u8282\u70b9\u7684\u65b9\u5f0f\u6765\u589e\u52a0\u6574\u4e2a\u7f13\u5b58\u4f53\u7cfb\u7684\u5bb9\u91cf\u6bd4\u5982\u672c\u6765\u67091\u4e2a\u8282\u70b9\u53d8\u62102\u4e2a\u8282\u70b9\uff0c\u8fd9\u79cd\u6269\u5bb9\u65b9\u5f0f\u9700\u8981\u5e94\u7528\u7a0b\u5e8f\u652f\u6301\u3002\u5782\u76f4\u6269\u5bb9\u770b\u4f3c\u6700\u4fbf\u6377\u7684\u6269\u5bb9\uff0c\u4f46\u662f\u53d7\u5230\u673a\u5668\u7684\u9650\u5236\uff0c\u4e00\u4e2a\u673a\u5668\u7684\u5185\u5b58\u662f\u6709\u9650\u7684\uff0c\u6240\u4ee5\u5782\u76f4\u6269\u5bb9\u5230\u4e00\u5b9a\u9636\u6bb5\u4e0d\u53ef\u907f\u514d\u7684\u8981\u8fdb\u884c\u6c34\u5e73\u6269\u5bb9\uff0c\u5982\u679c\u9884\u7559\u51fa\u5f88\u591a\u8282\u70b9\u611f\u89c9\u53c8\u662f\u5bf9\u8d44\u6e90\u7684\u4e00\u79cd\u6d6a\u8d39\u56e0\u4e3a\u5bf9\u4e1a\u52a1\u7684\u53d1\u5c55\u8d8b\u52bf\u5f88\u5feb\u9884\u6d4b\u3002Redis Sentinel \u6c34\u5e73\u6269\u5bb9\u4e00\u76f4\u90fd\u662f\u7a0b\u5e8f\u733f\u5fc3\u4e2d\u7684\u75db\u70b9\uff0c\u56e0\u4e3a\u6c34\u5e73\u6269\u5bb9\u7275\u6d89\u5230\u6570\u636e\u7684\u8fc1\u79fb\u3002\u8fc1\u79fb\u8fc7\u7a0b\u4e00\u65b9\u9762\u8981\u4fdd\u8bc1\u81ea\u5df1\u7684\u4e1a\u52a1\u662f\u53ef\u7528\u7684\uff0c\u4e00\u65b9\u9762\u8981\u4fdd\u8bc1\u5c3d\u91cf\u4e0d\u4e22\u5931\u6570\u636e\u6240\u4ee5\u6570\u636e\u80fd\u4e0d\u8fc1\u79fb\u5c31\u5c3d\u91cf\u4e0d\u8fc1\u79fb\u3002\u9488\u5bf9\u8fd9\u4e2a\u95ee\u9898\uff0cRedis Cluster\u5c31\u5e94\u8fd0\u800c\u751f\u4e86\uff0c\u4e0b\u9762\u7b80\u5355\u4ecb\u7ecd\u4e00\u4e0bRedisCluster\u3002<\/p>\n

      Redis Cluster\u662fRedis\u7684\u5206\u5e03\u5f0f\u89e3\u51b3\u65b9\u6848\uff0c\u5728Redis 3.0\u7248\u672c\u6b63\u5f0f\u63a8\u51fa\u7684\uff0c\u6709\u6548\u89e3\u51b3\u4e86Redis\u5206\u5e03\u5f0f\u65b9\u9762\u7684\u9700\u6c42\u3002\u5f53\u9047\u5230\u5355\u673a\u5185\u5b58\u3001\u5e76\u53d1\u3001\u6d41\u91cf\u7b49\u74f6\u9888\u65f6\uff0c\u53ef\u4ee5\u91c7\u7528Cluster\u67b6\u6784\u8fbe\u5230\u8d1f\u8f7d\u5747\u8861\u7684\u76ee\u7684\u3002\u5206\u5e03\u5f0f\u96c6\u7fa4\u9996\u8981\u89e3\u51b3\u628a\u6574\u4e2a\u6570\u636e\u96c6\u6309\u7167\u5206\u533a\u89c4\u5219\u6620\u5c04\u5230\u591a\u4e2a\u8282\u70b9\u7684\u95ee\u9898\uff0c\u5373\u628a\u6570\u636e\u96c6\u5212\u5206\u5230\u591a\u4e2a\u8282\u70b9\u4e0a\uff0c\u6bcf\u4e2a\u8282\u70b9\u8d1f\u8d23\u6574\u4e2a\u6570\u636e\u7684\u4e00\u4e2a\u5b50\u96c6\u3002Redis Cluster\u91c7\u7528\u54c8\u5e0c\u5206\u533a\u89c4\u5219\u4e2d\u7684\u865a\u62df\u69fd\u5206\u533a\u3002\u865a\u62df\u69fd\u5206\u533a\u5de7\u5999\u5730\u4f7f\u7528\u4e86\u54c8\u5e0c\u7a7a\u95f4\uff0c\u4f7f\u7528\u5206\u6563\u5ea6\u826f\u597d\u7684\u54c8\u5e0c\u51fd\u6570\u628a\u6240\u6709\u7684\u6570\u636e\u6620\u5c04\u5230\u4e00\u4e2a\u56fa\u5b9a\u8303\u56f4\u5185\u7684\u6574\u6570\u96c6\u5408\uff0c\u6574\u6570\u5b9a\u4e49\u4e3a\u69fd\uff08slot\uff09\u3002Redis Cluster\u69fd\u7684\u8303\u56f4\u662f0 \uff5e 16383\u3002\u69fd\u662f\u96c6\u7fa4\u5185\u6570\u636e\u7ba1\u7406\u548c\u8fc1\u79fb\u7684\u57fa\u672c\u5355\u4f4d\u3002\u91c7\u7528\u5927\u8303\u56f4\u7684\u69fd\u7684\u4e3b\u8981\u76ee\u7684\u662f\u4e3a\u4e86\u65b9\u4fbf\u6570\u636e\u7684\u62c6\u5206\u548c\u96c6\u7fa4\u7684\u6269\u5c55\uff0c\u6bcf\u4e2a\u8282\u70b9\u8d1f\u8d23\u4e00\u5b9a\u6570\u91cf\u7684\u69fd\u3002Redis Cluster\u91c7\u7528\u865a\u62df\u69fd\u5206\u533a\uff0c\u6240\u6709\u7684\u952e\u6839\u636e\u54c8\u5e0c\u51fd\u6570\u6620\u5c04\u52300 \uff5e 16383\uff0c\u8ba1\u7b97\u516c\u5f0f\uff1aslot = CRC16(key)&16383\u3002\u6bcf\u4e00\u4e2a\u5b9e\u8282\u70b9\u8d1f\u8d23\u7ef4\u62a4\u4e00\u90e8\u5206\u69fd\u4ee5\u53ca\u69fd\u6240\u6620\u5c04\u7684\u952e\u503c\u6570\u636e\u3002\u4e0b\u56fe\u5c55\u73b0\u4e00\u4e2a\u4e94\u4e2a\u8282\u70b9\u6784\u6210\u7684\u96c6\u7fa4\uff0c\u6bcf\u4e2a\u8282\u70b9\u5e73\u5747\u5927\u7ea6\u8d1f\u8d233276<\/code>\u4e2a\u69fd\uff0c\u4ee5\u53ca\u901a\u8fc7\u8ba1\u7b97\u516c\u5f0f\u6620\u5c04\u5230\u5bf9\u5e94\u8282\u70b9\u7684\u5bf9\u5e94\u69fd\u7684\u8fc7\u7a0b\u3002<\/p>\n

      <\/p>\n

      Redis Cluster\u8282\u70b9\u76f8\u4e92\u4e4b\u524d\u7684\u5173\u7cfb\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/p>\n

      <\/p>\n

      \u4e09\u3001Redis Sentinel \u53caRedis Cluster \u5b9e\u8df5<\/h2>\n

      Redis Sentinel \u4e0eRedis Cluster \u4f7f\u7528\u9700\u8981\u5f15\u5165\u5982\u4e0bjar\u5305<\/p>\n

      \n\n   \n    \n     redis.clients\n    \n    \n     jedis\n    \n    \n     2.9.0\n    \n   \n   \n    \n     org.apache.commons\n    \n    \n     commons-pool2\n    \n    \n     2.5.0\n    \n   <\/pre>\n
      1\u3001Redis Sentinel \u4f7f\u7528<\/p>\n
      \npackage com.knowledge.cache.redis;\n \nimport redis.clients.jedis.Jedis;\nimport redis.clients.jedis.JedisSentinelPool;\nimport redis.clients.jedis.exceptions.JedisConnectionException;\n \nimport org.apache.commons.lang3.StringUtils;\nimport org.apache.commons.pool2.impl.GenericObjectPoolConfig;\nimport java.util.Arrays;\nimport java.util.HashSet;\nimport java.util.Set;\n \n\/**\n * @author hzwangjunqiang1@corp.netease.com\n * @desc redis sentinel \u4f7f\u7528\n *\/\npublic class RedisSentinelClient {\n    private static JedisSentinelPool pool = null;\n    private static String redisHosts = \"127.0.0.1:26378;127.0.0.1:26379;127.0.0.1:26380\";\n    private static String redisMaster = \"\";\/\/master name\n    private static String password = \"\";\/\/\u5bc6\u7801,\u53ef\u9009\n    private static final int MAX_IDLE = 200;\/\/\u6700\u5927\u7a7a\u95f2\u6570\n    private static final int MAX_TOTAL = 400;\/\/\u6700\u5927\u8fde\u63a5\u6570\n    private static final int MIN_IDLE = 200;\/\/\u6700\u5c0f\u7a7a\u95f2\u6570\n \n    static {\n        \/\/redis \u8fde\u63a5\u6c60\u914d\u7f6e\n        GenericObjectPoolConfig poolConfig = new GenericObjectPoolConfig();\n        poolConfig.setMaxIdle(MAX_IDLE);\n        poolConfig.setMaxTotal(MAX_TOTAL);\n        poolConfig.setMinIdle(MIN_IDLE);\n        poolConfig.setTestOnBorrow(true);\n        poolConfig.setTestOnReturn(true);\n        Set\n   \n     hosts = new HashSet\n    \n     (Arrays.asList(redisHosts.split(\";\"))); if (StringUtils.isBlank(password)) { pool = new JedisSentinelPool(redisMaster, hosts, poolConfig); } else { pool = new JedisSentinelPool(redisMaster, hosts, poolConfig, password); } } public String get(String key) throws JedisConnectionException { Jedis jedis = pool.getResource(); try { return jedis.get(key); } catch (JedisConnectionException e) { throw e; } finally { jedis.close(); } } }\n    \n   <\/pre>\n
      2\u3001Redis Cluster \u4f7f\u7528<\/p>\n
      \npackage com.knowledge.cache.redis;\n \nimport redis.clients.jedis.HostAndPort;\nimport redis.clients.jedis.JedisCluster;\nimport redis.clients.jedis.exceptions.JedisConnectionException;\n \nimport org.apache.commons.lang3.StringUtils;\nimport org.apache.commons.pool2.impl.GenericObjectPoolConfig;\nimport java.util.Arrays;\nimport java.util.HashSet;\nimport java.util.LinkedHashSet;\nimport java.util.Set;\n \n\/**\n * @author hzwangjunqiang1@corp.netease.com\n * @desc Redis cluster \u4f7f\u7528\n *\/\npublic class RedisClusterClient {\n    private static JedisCluster jedisCluster = null;\n    private static String redisHosts = \"127.0.0.1:6378;127.0.0.1:6379;127.0.0.1:6380\"; \/\/\u5982:127.0.0.1:26379;127.0.0.1:26378\n    private static String password = \"\";\/\/\u5bc6\u7801,\u53ef\u9009\n    private static final int CONNECT_TIMEOUT = 1000;\/\/\u8fde\u63a5\u8d85\u65f6\u65f6\u95f4\n    private static final int SO_TIMEOUT = 1000;\/\/\u54cd\u5e94\u8d85\u65f6\u65f6\u95f4\n    private static final int MAX_ATTEMPTS = 5;\/\/\u6700\u5927\u5c1d\u8bd5\u6b21\u6570\n    private static final int MAX_IDLE = 200;\/\/\u6700\u5927\u7a7a\u95f2\u6570\n    private static final int MAX_TOTAL = 400;\/\/\u6700\u5927\u8fde\u63a5\u6570\n    private static final int MIN_IDLE = 200;\/\/\u6700\u5c0f\u7a7a\u95f2\u6570\n \n    static {\n        \/\/\u8fde\u63a5\u6c60\u914d\u7f6e\n        GenericObjectPoolConfig poolConfig = new GenericObjectPoolConfig();\n        poolConfig.setMaxIdle(MAX_IDLE);\n        poolConfig.setMaxTotal(MAX_TOTAL);\n        poolConfig.setMinIdle(MIN_IDLE);\n        poolConfig.setTestOnBorrow(true);\n        poolConfig.setTestOnReturn(true);\n        \/\/Redis Cluster \u521d\u59cb\u5316\n        Set\n   \n     hosts = new HashSet\n    \n     (Arrays.asList(redisHosts.split(\";\"))); Set\n     \n       nodes = new LinkedHashSet\n      \n       (); for (String host : hosts) { HostAndPort hostAndPort = new HostAndPort(host.split(\":\")[0], Integer.parseInt(host.split(\":\")[1])); nodes.add(hostAndPort); } if (StringUtils.isBlank(password)) { jedisCluster = new JedisCluster(nodes, CONNECT_TIMEOUT, SO_TIMEOUT, MAX_ATTEMPTS, poolConfig); } else { jedisCluster = new JedisCluster(nodes, CONNECT_TIMEOUT, SO_TIMEOUT, MAX_ATTEMPTS, password, poolConfig); } } \/** * @param key * @return * @throws JedisConnectionException *\/ public String get(String key) throws JedisConnectionException { try { return jedisCluster.get(key); } catch (JedisConnectionException e) { throw e; } } \/** * @param key * @param value * @return * @throws JedisConnectionException *\/ public String set(String key, String value) throws JedisConnectionException { try { return jedisCluster.set(key, value); } catch (JedisConnectionException e) { throw e; } } } \n      \n     \n    \n   <\/pre>\n
      \u4ee5\u4e0a\u4ecb\u7ecd\u4e86Redis Sentinel \u53ca Redis Cluster\u7684\u521d\u59cb\u5316\u8fc7\u7a0b\u53ca\u7b80\u5355\u7684\u4f7f\u7528\uff0c\u5176\u4ed6\u6bd4\u8f83\u590d\u6742\u7684\u5e94\u7528\u53ef\u4ee5\u53c2\u8003Redis \u7684\u5b98\u65b9API<\/p>\n
      \u56db\u3001Redis\u7684\u8fc7\u671f\u6dd8\u6c70\u7b56\u7565<\/h2>\n
      1\u3001\u5b9a\u65f6\u5220\u9664<\/h3>\n
        \n
      • \u542b\u4e49:\u5728\u8bbe\u7f6ekey\u7684\u8fc7\u671f\u65f6\u95f4\u7684\u540c\u65f6\uff0c\u4e3a\u8be5key\u521b\u5efa\u4e00\u4e2a\u5b9a\u65f6\u5668\uff0c\u8ba9\u5b9a\u65f6\u5668\u5728key\u7684\u8fc7\u671f\u65f6\u95f4\u6765\u4e34\u65f6\uff0c\u5bf9key\u8fdb\u884c\u5220\u9664<\/li>\n
      • \u4f18\u70b9:\u4fdd\u8bc1\u5185\u5b58\u88ab\u5c3d\u5feb\u91ca\u653e<\/li>\n
      • \u7f3a\u70b9:1)\u82e5\u8fc7\u671fkey\u5f88\u591a\uff0c\u5220\u9664\u8fd9\u4e9bkey\u4f1a\u5360\u7528\u5f88\u591a\u7684CPU\u65f6\u95f4\uff0c\u5728CPU\u65f6\u95f4\u7d27\u5f20\u7684\u60c5\u51b5\u4e0b\uff0cCPU\u4e0d\u80fd\u628a\u6240\u6709\u7684\u65f6\u95f4\u7528\u6765\u505a\u8981\u7d27\u7684\u4e8b\u513f\uff0c\u8fd8\u9700\u8981\u53bb\u82b1\u65f6\u95f4\u5220\u9664\u8fd9\u4e9bkey;2)\u5b9a\u65f6\u5668\u7684\u521b\u5efa\u8017\u65f6,\u82e5\u4e3a\u6bcf\u4e00\u4e2a\u8bbe\u7f6e\u8fc7\u671f\u65f6\u95f4\u7684key\u521b\u5efa\u4e00\u4e2a\u5b9a\u65f6\u5668\uff08\u5c06\u4f1a\u6709\u5927\u91cf\u7684\u5b9a\u65f6\u5668\u4ea7\u751f\uff09\uff0c\u6027\u80fd\u5f71\u54cd\u4e25\u91cd<\/li>\n<\/ul>\n
        2\u3001\u61d2\u6c49\u5f0f\u5220\u9664<\/h3>\n
          \n
        • \u542b\u4e49:key\u8fc7\u671f\u7684\u65f6\u5019\u4e0d\u5220\u9664\uff0c\u6bcf\u6b21\u901a\u8fc7key\u83b7\u53d6\u503c\u7684\u65f6\u5019\u53bb\u68c0\u67e5\u662f\u5426\u8fc7\u671f\uff0c\u82e5\u8fc7\u671f\uff0c\u5219\u5220\u9664\uff0c\u8fd4\u56denull\u3002<\/li>\n
        • \u4f18\u70b9:\u5220\u9664\u64cd\u4f5c\u53ea\u53d1\u751f\u5728\u901a\u8fc7key\u53d6\u503c\u7684\u65f6\u5019\u53d1\u751f\uff0c\u800c\u4e14\u53ea\u5220\u9664\u5f53\u524dkey\uff0c\u6240\u4ee5\u5bf9CPU\u65f6\u95f4\u7684\u5360\u7528\u662f\u6bd4\u8f83\u5c11\u7684\uff0c\u800c\u4e14\u6b64\u65f6\u7684\u5220\u9664\u662f\u5df2\u7ecf\u5230\u4e86\u975e\u505a\u4e0d\u53ef\u7684\u5730\u6b65\uff08\u5982\u679c\u6b64\u65f6\u8fd8\u4e0d\u5220\u9664\u7684\u8bdd\uff0c\u6211\u4eec\u5c31\u4f1a\u83b7\u53d6\u5230\u4e86\u5df2\u7ecf\u8fc7\u671f\u7684key\u4e86<\/li>\n
        • \u7f3a\u70b9:\u82e5\u5927\u91cf\u7684key\u5728\u8d85\u51fa\u8d85\u65f6\u65f6\u95f4\u540e\uff0c\u5f88\u4e45\u4e00\u6bb5\u65f6\u95f4\u5185\uff0c\u90fd\u6ca1\u6709\u88ab\u83b7\u53d6\u8fc7\uff0c\u90a3\u4e48\u53ef\u80fd\u53d1\u751f\u5185\u5b58\u6cc4\u9732\uff08\u65e0\u7528\u7684\u5783\u573e\u5360\u7528\u4e86\u5927\u91cf\u7684\u5185\u5b58\uff09<\/li>\n<\/ul>\n
          3\u3001\u5b9a\u671f\u5220\u9664<\/h3>\n
          \u542b\u4e49:\u6bcf\u9694\u4e00\u6bb5\u65f6\u95f4\u6267\u884c\u4e00\u6b21\u5220\u9664\u8fc7\u671fkey\u64cd\u4f5c<\/p>\n
          \u4f18\u70b9:
           1)\u901a\u8fc7\u9650\u5236\u5220\u9664\u64cd\u4f5c\u7684\u65f6\u957f\u548c\u9891\u7387\uff0c\u6765\u51cf\u5c11\u5220\u9664\u64cd\u4f5c\u5bf9CPU\u65f6\u95f4\u7684\u5360\u7528–\u5904\u7406”\u5b9a\u65f6\u5220\u9664”\u7684\u7f3a\u70b9;
           2)\u5b9a\u671f\u5220\u9664\u8fc7\u671fkey–\u5904\u7406”\u61d2\u6c49\u5f0f\u5220\u9664”\u7684\u7f3a\u70b9<\/p>\n
          \u7f3a\u70b9:
           1)\u5728\u5185\u5b58\u53cb\u597d\u65b9\u9762\uff0c\u4e0d\u5982”\u5b9a\u65f6\u5220\u9664”\uff08\u4f1a\u9020\u6210\u4e00\u5b9a\u7684\u5185\u5b58\u5360\u7528\uff0c\u4f46\u662f\u6ca1\u6709\u61d2\u6c49\u5f0f\u90a3\u4e48\u5360\u7528\u5185\u5b58\uff09;
           2)\u5728CPU\u65f6\u95f4\u53cb\u597d\u65b9\u9762\uff0c\u4e0d\u5982”\u61d2\u6c49\u5f0f\u5220\u9664”\uff08\u4f1a\u5b9a\u671f\u7684\u53bb\u8fdb\u884c\u6bd4\u8f83\u548c\u5220\u9664\u64cd\u4f5c\uff0ccpu\u65b9\u9762\u4e0d\u5982\u61d2\u6c49\u5f0f\uff0c\u4f46\u662f\u6bd4\u5b9a\u65f6\u597d\uff09<\/p>\n
          \u96be\u70b9:
           1)\u5408\u7406\u8bbe\u7f6e\u5220\u9664\u64cd\u4f5c\u7684\u6267\u884c\u65f6\u957f\uff08\u6bcf\u6b21\u5220\u9664\u6267\u884c\u591a\u957f\u65f6\u95f4\uff09\u548c\u6267\u884c\u9891\u7387\uff08\u6bcf\u9694\u591a\u957f\u65f6\u95f4\u505a\u4e00\u6b21\u5220\u9664\uff09\uff08\u8fd9\u4e2a\u8981\u6839\u636e\u670d\u52a1\u5668\u8fd0\u884c\u60c5\u51b5\u6765\u5b9a\u4e86\uff09\uff0c\u6bcf\u6b21\u6267\u884c\u65f6\u95f4\u592a\u957f\uff0c\u6216\u8005\u6267\u884c\u9891\u7387\u592a\u9ad8\u5bf9cpu\u90fd\u662f\u4e00\u79cd\u538b\u529b;
           2) \u6bcf\u6b21\u8fdb\u884c\u5b9a\u671f\u5220\u9664\u64cd\u4f5c\u6267\u884c\u4e4b\u540e\uff0c\u9700\u8981\u8bb0\u5f55\u904d\u5386\u5faa\u73af\u5230\u4e86\u54ea\u4e2a\u6807\u5fd7\u4f4d\uff0c\u4ee5\u4fbf\u4e0b\u4e00\u6b21\u5b9a\u671f\u65f6\u95f4\u6765\u65f6\uff0c\u4ece\u4e0a\u6b21\u4f4d\u7f6e\u5f00\u59cb\u8fdb\u884c\u5faa\u73af\u904d\u5386<\/p>\n
          memcached\u53ea\u662f\u7528\u4e86\u60f0\u6027\u5220\u9664\uff0c\u800credis\u540c\u65f6\u4f7f\u7528\u4e86\u60f0\u6027\u5220\u9664\u4e0e\u5b9a\u671f\u5220\u9664\uff0c\u8fd9\u4e5f\u662f\u4e8c\u8005\u7684\u4e00\u4e2a\u4e0d\u540c\u70b9\uff08\u53ef\u4ee5\u770b\u505a\u662fredis\u4f18\u4e8ememcached\u7684\u4e00\u70b9\uff09;<\/strong><\/p>\n
          \u4e94\u3001Redis \u4f7f\u7528\u8fc7\u7a0b\u4e2d\u8e29\u8fc7\u7684\u5751<\/h2>\n
          1\u3001\u5728\u751f\u4ea7\u73af\u5883\u4e2d\u4e00\u5b9a\u8981\u914d\u7f6eGenericObjectPoolConfig\u4e2d\u7684 maxIdle\u3001maxTotal\u3001minIdle.\u56e0\u4e3a\u91cc\u9762\u9ed8\u8ba4\u503c\u592a\u4f4e\u4e86\uff0c\u5982\u679c\u751f\u4ea7\u73af\u5883\u4e2d\u6d41\u91cf\u6bd4\u8f83\u5927\u7684\u8bdd\uff0c\u5c31\u4f1a\u51fa\u73b0\u7b49\u5f85redis\u7684\u8fde\u63a5\u7684\u60c5\u51b5\u3002<\/p>\n
          2\u3001\u4f7f\u7528Redis Sentinel \u4e00\u5b9a\u8981\u5728\u6700\u540e\u6267\u884cjedis.close\u65b9\u6cd5\u6765\u91ca\u653e\u8d44\u6e90\uff0c\u8fd9\u4e2aclose\u65b9\u6cd5\u662f\u8868\u793a\u5c06\u6b63\u5e38\u7684\u8fde\u63a5\u653e\u56de\u53bb\u8fde\u63a5\u6c60\u4e2d\uff0c\u5c06\u4e0d\u6b63\u5e38\u7684\u8fde\u63a5\u7ed9\u5173\u95ed\u3002\u4e4b\u524djedis\u4f4e\u7248\u672c\u4e2d\u90fd\u662f\u8c03\u7528returnResource\u65b9\u6cd5\u6765\u91ca\u653e\u8d44\u6e90\uff0c\u5982\u679c\u8fde\u63a5\u4e0d\u6b63\u5e38\u4e86\u4f1a\u88ab\u91cd\u590d\u4f7f\u7528\uff0c\u8fd9\u65f6\u4f1a\u51fa\u73b0\u5f88\u8be1\u5f02\u7684\u5f02\u5e38\u3002\u6240\u4ee5\u5efa\u8bae\u4f7f\u7528\u6bd4\u8f83\u9ad8\u7248\u672c\u7684jedis<\/p>\n
          3\u3001\u4e3a\u4e86\u66f4\u597d\u7684\u4f7f\u7528redis \u8fde\u63a5\u6c60\uff0c\u5efa\u8bae\u91c7\u7528 JedisPoolConfig\u6765\u66ff\u4ee3GenericObjectPoolConfig\u3002JedisPoolConfig\u91cc\u9762\u6709\u4e00\u4e9b\u9ed8\u8ba4\u7684\u53c2\u6570<\/p>\n
          4\u3001maxIdle\uff0cmaxTotal \u6700\u4f73\u5b9e\u8df5\u4e3a maxIdle = maxTotal<\/p>\n","protected":false},"excerpt":{"rendered":"
          \u6d45\u6790Redis Sentinel...<\/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-201181","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201181","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=201181"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201181\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=201181"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=201181"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=201181"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}