{"id":4552,"date":"2024-04-21T23:42:53","date_gmt":"2024-04-21T15:42:53","guid":{"rendered":"https:\/\/xinchewhd.com.cn\/index.php\/%e9%9d%a2%e8%af%95\/%e9%9d%a2%e8%af%95%e5%ae%98%ef%bc%9aredis%e5%a6%82%e4%bd%95%e4%bf%9d%e9%9a%9c%e9%ab%98%e5%8f%af%e7%94%a8%e7%9a%84%ef%bc%9fredis%e4%b8%bb%e4%bb%8e%e3%80%81%e5%93%a8%e5%85%b5%e3%80%81redis-cluster\/"},"modified":"2024-04-21T23:42:53","modified_gmt":"2024-04-21T15:42:53","slug":"%e9%9d%a2%e8%af%95%e5%ae%98%ef%bc%9aredis%e5%a6%82%e4%bd%95%e4%bf%9d%e9%9a%9c%e9%ab%98%e5%8f%af%e7%94%a8%e7%9a%84%ef%bc%9fredis%e4%b8%bb%e4%bb%8e%e3%80%81%e5%93%a8%e5%85%b5%e3%80%81redis-cluster","status":"publish","type":"post","link":"https:\/\/xinchewhd.com.cn\/index.php\/%e9%9d%a2%e8%af%95\/%e9%9d%a2%e8%af%95%e5%ae%98%ef%bc%9aredis%e5%a6%82%e4%bd%95%e4%bf%9d%e9%9a%9c%e9%ab%98%e5%8f%af%e7%94%a8%e7%9a%84%ef%bc%9fredis%e4%b8%bb%e4%bb%8e%e3%80%81%e5%93%a8%e5%85%b5%e3%80%81redis-cluster\/","title":{"rendered":"\u9762\u8bd5\u5b98\uff1aRedis\u5982\u4f55\u4fdd\u969c\u9ad8\u53ef\u7528\u7684\uff1fRedis\u4e3b\u4ece\u3001\u54e8\u5175\u3001Redis Cluster\u4f60\u5206\u6e05\u695a\u4e86\u5417\uff1f"},"content":{"rendered":"
\n

\u56de\u7b54\u4e86Redis\u901a\u8fc7RDB\u3001AOF\u65e5\u5fd7\u53ef\u4ee5\u4fdd\u969c\u6570\u636e\u4e0d\u4e22\u5931<\/a>\u540e\uff0c\u9762\u8bd5\u5b98\u89c9\u5f97\u4f60\u5bf9Redis\u7684\u57fa\u672c\u539f\u7406\u4e86\u89e3\u5f97\u8fd8\u4e0d\u9519\uff0c\u51b3\u5b9a\u8fdb\u4e00\u6b65\u63a2\u63a2\u4f60\u7684\u201c\u5e95\u201d\uff0c\u76f4\u63a5\u629b\u51faRedis\u5982\u4f55\u4fdd\u969c\u9ad8\u53ef\u7528\u7684\u95ee\u9898\uff0c\u60f3\u8003\u67e5\u4e0b\u4f60\u5bf9\u5206\u5e03\u5f0f\u7cfb\u7edf\u7684\u638c\u63e1\u600e\u4e48\u6837\u3002<\/span><\/p>\n

\n

\u9762\u8bd5\u5b98\uff1aRedis\u662f\u5982\u4f55\u4fdd\u969c\u9ad8\u53ef\u7528\u7684\uff1f<\/span><\/p>\n

<\/span><\/p>\n

\u4f60\u60f3\u4e86\u60f3\uff0c\u7ed9\u51fa\u5982\u4e0b\u56de\u7b54\uff1a<\/span><\/p>\n

<\/span><\/p>\n

Redis\u4e00\u822c\u901a\u8fc7\u4e3b\u4ece\u590d\u5236\u673a\u5236\u4fdd\u969cRedis\u59cb\u7ec8\u5904\u4e8e\u53ef\u7528\u72b6\u6001\uff0c\u53ef\u4ee5\u90e8\u7f72\u4e00\u4e3b\u4e00\u4ece\u6216\u8005\u4e00\u4e3b\u591a\u4ece\u6765\u4fdd\u969c\u4e3b\u8282\u70b9\u6545\u969c\u65f6\uff0c\u4ece\u8282\u70b9\u53ef\u4ee5\u63d0\u5347\u4e3a\u65b0\u7684\u4e3b\u8282\u70b9\uff0c\u7ee7\u7eed\u63d0\u4f9b\u670d\u52a1\u3002<\/span><\/p>\n

\u4e3a\u4e86\u81ea\u52a8\u5b9e\u73b0\u8fd9\u4e00\u8fc7\u7a0b\uff0cRedis\u63d0\u4f9b\u4e86\u54e8\u5175\u6a21\u5f0f\uff0c\u901a\u8fc7\u54e8\u5175\u68c0\u6d4b\u4e3b\u8282\u70b9\u7684\u5065\u5eb7\u72b6\u51b5\uff0c\u4e00\u65e6\u4e3b\u8282\u70b9\u51fa\u73b0\u6545\u969c\uff0c\u54e8\u5175\u4f1a\u6839\u636e\u9884\u8bbe\u89c4\u5219\u9009\u4e3e\u51fa\u65b0\u7684\u4e3b\u8282\u70b9\uff0c\u7ee7\u7eed\u5411\u5916\u63d0\u4f9b\u670d\u52a1\u3002<\/span><\/p>\n

Redis\u8fd8\u63d0\u4f9b\u4e86\u96c6\u7fa4\u6a21\u5f0f\u91c7\u7528\u6570\u636e\u5206\u7247\uff08Sharding\uff09\u7b56\u7565\uff0c\u5c06\u6570\u636e\u5747\u5300\u5206\u5e03\u5230\u591a\u4e2a\u8282\u70b9\u4e0a\uff0c\u6bcf\u4e2a\u8282\u70b9\u72ec\u7acb\u5904\u7406\u4e00\u90e8\u5206\u6570\u636e\u3002\u8fd9\u6837\u65e2\u5206\u6563\u4e86\u5355\u8282\u70b9\u7684\u538b\u529b\uff0c\u4e5f\u964d\u4f4e\u4e86\u5355\u70b9\u6545\u969c\u5bf9\u6574\u4f53\u7cfb\u7edf\u7684\u5f71\u54cd\u3002<\/span><\/p>\n

\n

\u9762\u8bd5\u5b98\uff1a\u597d\u7684\uff0c\u80fd\u5177\u4f53\u4ecb\u7ecd\u4e0bRedis\u7684\u4e3b\u4ece\u590d\u5236\u673a\u5236\u5417\uff1f<\/span><\/p>\n

<\/span><\/p>\n

\u4e3b\u4ece\u590d\u5236\uff08Replication\uff09\uff1a<\/span><\/p>\n

<\/span><\/p>\n

\uff081\uff09\u57fa\u7840\u539f\u7406\uff1aRedis\u901a\u8fc7\u4e3b\u4ece\u590d\u5236\u673a\u5236\u5b9e\u73b0\u6570\u636e\u7684\u5907\u4efd\u4e0e\u540c\u6b65\u3002\u5728\u4e00\u4e2aRedis\u96c6\u7fa4\u4e2d\uff0c\u5b58\u5728\u4e00\u4e2a\u4e3b\u8282\u70b9\uff08Master\uff09\u548c\u81f3\u5c11\u4e00\u4e2a\u4ece\u8282\u70b9\uff08Slave\uff09\u3002\u4e3b\u8282\u70b9\u8d1f\u8d23\u5904\u7406\u5ba2\u6237\u7aef\u5199\u8bf7\u6c42\u5e76\u5c06\u5176\u64cd\u4f5c\u65e5\u5fd7\uff08\u5373RDB\u5feb\u7167\u6216AOF\u65e5\u5fd7\uff09\u53d1\u9001\u7ed9\u4ece\u8282\u70b9\u3002\u4ece\u8282\u70b9\u63a5\u6536\u5e76\u6267\u884c\u8fd9\u4e9b\u65e5\u5fd7\uff0c\u4ece\u800c\u4fdd\u8bc1\u81ea\u8eab\u6570\u636e\u4e0e\u4e3b\u8282\u70b9\u4e00\u81f4\uff0c\u5b9e\u73b0\u6570\u636e\u7684\u5b9e\u65f6\u5907\u4efd\u3002\u4e3b\u4ece\u590d\u5236\u7684\u6570\u636e\u9996\u6b21\u540c\u6b65\u6d41\u7a0b\u5982\u4e0b\u56fe[1]<\/span>\uff1a<\/span><\/p>\n

\n

\u5982\u679c\u4ece\u8282\u70b9\u90fd\u8ddf\u968f\u4e3b\u8282\u70b9\uff0c\u90a3\u4e48\u4e3b\u8282\u70b9\u7684\u538b\u529b\u4f1a\u6bd4\u8f83\u5927\uff0c\u6240\u4ee5\u63a8\u8350\u9700\u8981\u90e8\u7f72\u66f4\u591a\u7684\u4ece\u8282\u70b9\u5206\u644a\u8bfb\u8bf7\u6c42\u538b\u529b\u65f6\uff0c\u4ece\u8282\u70b9\u8ddf\u968f\u4e0a\u6e38\u7684\u4ece\u8282\u70b9\u5373\u53ef\uff0c\u5982\u4e0b\u56fe\u6240\u793a[1]<\/span>\uff1a<\/span><\/p>\n

\n

\uff082\uff09\u6545\u969c\u5207\u6362\uff1a\u5f53\u4e3b\u8282\u70b9\u53d1\u751f\u6545\u969c\u65f6\uff0c\u4ece\u8282\u70b9\u53ef\u88ab\u63d0\u5347\u4e3a\u65b0\u7684\u4e3b\u8282\u70b9\uff0c\u7ee7\u7eed\u63d0\u4f9b\u670d\u52a1\u3002\u8fd9\u79cd\u673a\u5236\u786e\u4fdd\u4e86\u5373\u4f7f\u5355\u70b9\u6545\u969c\uff0c\u7cfb\u7edf\u4ecd\u80fd\u4fdd\u6301\u5bf9\u5916\u670d\u52a1\uff0c\u4fdd\u969c\u4e86\u6570\u636e\u7684\u9ad8\u53ef\u7528\u6027\u3002\u4f46\u662f\u9700\u8981\u624b\u5de5\u64cd\u4f5c\u3002<\/span><\/p>\n

\n

\u9762\u8bd5\u5b98\uff1a\u90a3\u54e8\u5175\u53c8\u662f\u600e\u4e48\u4e00\u56de\u4e8b\u5462\uff1f<\/span><\/p>\n

<\/span><\/p>\n

\u54e8\u5175\u6a21\u5f0f\uff08Sentinel\uff09\uff1a<\/span><\/p>\n

Redis \u5728 2.8 \u7248\u672c\u4ee5\u540e\u63d0\u4f9b\u7684\u54e8\u5175\uff08Sentinel\uff09\u673a\u5236\uff0c\u5b83\u7684\u4f5c\u7528\u662f\u5b9e\u73b0\u4e3b\u4ece\u8282\u70b9\u6545\u969c\u8f6c\u79fb\u3002Sentinel\u662f\u4e00\u4e2a\u72ec\u7acb\u7684\u8fdb\u7a0b\uff0c\u7528\u4e8e\u76d1\u63a7Redis\u4e3b\u4ece\u96c6\u7fa4\u7684\u8fd0\u884c\u72b6\u6001\uff0c\u5305\u62ec\u8282\u70b9\u5b58\u6d3b\u3001\u4e3b\u4ece\u5173\u7cfb\u3001\u6570\u636e\u540c\u6b65\u7b49\u3002\u5b83\u63d0\u4f9b\u4e86\u81ea\u52a8\u6545\u969c\u68c0\u6d4b\u3001\u6545\u969c\u8f6c\u79fb\u3001\u914d\u7f6e\u901a\u77e5\u7b49\u529f\u80fd\uff0c\u6781\u5927\u5730\u63d0\u5347\u4e86Redis\u96c6\u7fa4\u7684\u81ea\u52a8\u5316\u8fd0\u7ef4\u80fd\u529b[2]<\/span>\u3002<\/span><\/p>\n

\n

Sentinel\u4e3b\u8981\u8d1f\u8d23\u7684\u5c31\u662f\u4e09\u4e2a\u4efb\u52a1\uff1a<\/span><\/p>\n

1\u3001\u76d1\u63a7<\/span>\uff1a\u76d1\u63a7\u4e3b\u5e93\u8fd0\u884c\u72b6\u6001\uff0c\u5e76\u5224\u65ad\u4e3b\u5e93\u662f\u5426\u5ba2\u89c2\u4e0b\u7ebf\uff1b<\/span><\/p>\n

2\u3001\u9009\u4e3b\uff08\u9009\u62e9\u4e3b\u5e93\uff09<\/span>\uff1a\u5728\u4e3b\u5e93\u5ba2\u89c2\u4e0b\u7ebf\u540e\uff0c\u9009\u53d6\u65b0\u4e3b\u5e93\uff1b<\/span><\/p>\n

3\u3001\u901a\u77e5<\/span>\u3002\u9009\u51fa\u65b0\u4e3b\u5e93\u540e\uff0c\u901a\u77e5\u4ece\u5e93\uff08\u4ece\u5e93\u6267\u884creplicaof\u547d\u4ee4\uff0c\u4e0e\u65b0\u4e3b\u5e93\u540c\u6b65\uff09\u548c\u5ba2\u6237\u7aef\uff08\u901a\u77e5\u5ba2\u6237\u7aef\u4e0e\u65b0\u4e3b\u5e93\u8fde\u63a5\uff09\u3002<\/span><\/p>\n

\n

\u5982\u4f55\u5224\u65ad\u4e3b\u8282\u70b9\u771f\u7684\u6545\u969c\u4e86\uff1f<\/span><\/p>\n

\u54e8\u5175\u4f1a\u6bcf\u9694 1 \u79d2\u7ed9\u6240\u6709\u4e3b\u4ece\u8282\u70b9\u53d1\u9001 PING \u547d\u4ee4\uff0c\u5f53\u4e3b\u4ece\u8282\u70b9\u6536\u5230 PING \u547d\u4ee4\u540e\uff0c\u4f1a\u53d1\u9001\u4e00\u4e2a\u54cd\u5e94\u547d\u4ee4\u7ed9\u54e8\u5175\uff0c\u8fd9\u6837\u5c31\u53ef\u4ee5\u5224\u65ad\u5b83\u4eec\u662f\u5426\u5728\u6b63\u5e38\u8fd0\u884c\u3002\u5982\u679c\u5728\u89c4\u5b9a\u65f6\u95f4\u5185\u6ca1\u6709\u54cd\u5e94\uff0c\u54e8\u5175\u5c31\u4f1a\u6807\u8bb0\u4e3b\u8282\u70b9\u300c\u4e3b\u89c2\u4e0b\u7ebf\u300d\uff0c\u5982\u679c\u8be2\u95ee\u5176\u4ed6\u54e8\u5175\u5f97\u5230\u534a\u6570\u4ee5\u4e0a\u7684\u53cd\u9988\u4e3a\u4e3b\u8282\u70b9\u4e0b\u7ebf\uff0c\u5c31\u4f1a\u6807\u8bb0\u4e3b\u8282\u70b9\u300c\u5ba2\u89c2\u4e0b\u7ebf\u300d\u3002<\/span><\/p>\n

\n

\u5982\u4f55\u9009\u51fa\u4e3b\u8282\u70b9\uff1f<\/span><\/p>\n

\u54e8\u5175\u81ea\u5df1\u5148\u786e\u5b9a\u8c01\u662fleader\u6765\u6267\u884c\u9009\u4e3b\uff0c\u5373\uff1a\u6295\u7968\u81ea\u5df1\u4e3aleader\uff0c\u534a\u6570\u4ee5\u4e0a\u8282\u70b9\u540c\u610f\u3002\u4e4b\u540e\u4ece\u4ece\u8282\u70b9\u4e2d\u9009\u51fa\u65b0\u7684\u4e3b\u8282\u70b9\uff0c\u89c4\u5219\u5982\u4e0b\uff1a<\/span><\/p>\n

1\u3001\u7b2c\u4e00\u8f6e\u8003\u5bdf\uff1a\u4f18\u5148\u7ea7\u6700\u9ad8\u7684\u4ece\u8282\u70b9\u80dc\u51fa<\/span><\/p>\n

2\u3001\u7b2c\u4e8c\u8f6e\u8003\u5bdf\uff1a\u590d\u5236\u8fdb\u5ea6\u6700\u9760\u524d\u7684\u4ece\u8282\u70b9\u80dc\u51fa<\/span><\/p>\n

3\u3001\u7b2c\u4e8c\u8f6e\u8003\u5bdf\uff1a\u590d\u5236\u8fdb\u5ea6\u6700\u9760\u524d\u7684\u4ece\u8282\u70b9\u80dc\u51fa<\/span><\/p>\n

\n

\u9762\u8bd5\u5b98\uff1a\u90a3\u4e3a\u4ec0\u4e48\u8fd8\u9700\u8981Redis Cluster\u5462\uff1f\u96c6\u7fa4\u6a21\u5f0f\u7684\u4f5c\u7528\u662f\u4ec0\u4e48\uff1f<\/span><\/p>\n

\n

\u5f53 Redis \u7f13\u5b58\u6570\u636e\u91cf\u5927\u5230\u4e00\u53f0\u670d\u52a1\u5668\u65e0\u6cd5\u7f13\u5b58\u65f6\uff0c\u5c31\u9700\u8981\u4f7f\u7528 Redis \u5207\u7247\u96c6\u7fa4\uff08Redis Cluster \uff09\u65b9\u6848\uff0c\u5b83\u5c06\u6570\u636e\u5206\u5e03\u5728\u4e0d\u540c\u7684\u670d\u52a1\u5668\u4e0a\uff0c\u4ee5\u6b64\u6765\u964d\u4f4e\u7cfb\u7edf\u5bf9\u5355\u4e3b\u8282\u70b9\u7684\u4f9d\u8d56\uff0c\u4ece\u800c\u63d0\u9ad8 Redis \u670d\u52a1\u7684\u8bfb\u5199\u6027\u80fd\u3002<\/span><\/p>\n

\n

Redis Cluster \u65b9\u6848\u91c7\u7528\u54c8\u5e0c\u69fd\uff08Hash Slot\uff09\uff0c\u6765\u5904\u7406\u6570\u636e\u548c\u8282\u70b9\u4e4b\u95f4\u7684\u6620\u5c04\u5173\u7cfb\u3002\u5728 Redis Cluster \u65b9\u6848\u4e2d\uff0c\u4e00\u4e2a\u5207\u7247\u96c6\u7fa4\u5171\u6709 16384 \u4e2a\u54c8\u5e0c\u69fd\uff0c\u8fd9\u4e9b\u54c8\u5e0c\u69fd\u7c7b\u4f3c\u4e8e\u6570\u636e\u5206\u533a\uff0c\u6bcf\u4e2a\u952e\u503c\u5bf9\u90fd\u4f1a\u6839\u636e\u5b83\u7684 key\uff0c\u88ab\u6620\u5c04\u5230\u4e00\u4e2a\u54c8\u5e0c\u69fd\u4e2d\uff0c\u5177\u4f53\u6267\u884c\u8fc7\u7a0b\u5206\u4e3a\u4e24\u5927\u6b65\uff1a<\/span><\/p>\n

1\u3001\u6839\u636e\u952e\u503c\u5bf9\u7684 key\uff0c\u6309\u7167 CRC16 \u7b97\u6cd5(opens new window)\u8ba1\u7b97\u4e00\u4e2a 16 bit \u7684\u503c\u3002<\/span><\/p>\n

2\u3001\u518d\u7528 16bit \u503c\u5bf9 16384 \u53d6\u6a21\uff0c\u5f97\u52300~16383 \u8303\u56f4\u5185\u7684\u6a21\u6570\uff0c\u6bcf\u4e2a\u6a21\u6570\u4ee3\u8868\u4e00\u4e2a\u76f8\u5e94\u7f16\u53f7\u7684\u54c8\u5e0c\u69fd\u3002<\/span><\/p>\n

\n

Redis Cluster\u91c7\u7528\u6570\u636e\u5206\u7247\uff08Sharding\uff09\u7b56\u7565\uff0c\u5c06\u6570\u636e\u5747\u5300\u5206\u5e03\u5230\u591a\u4e2a\u8282\u70b9\u4e0a\uff0c\u6bcf\u4e2a\u8282\u70b9\u72ec\u7acb\u5904\u7406\u4e00\u90e8\u5206\u6570\u636e\u3002\u8fd9\u6837\u65e2\u5206\u6563\u4e86\u5355\u8282\u70b9\u7684\u538b\u529b\uff0c\u4e5f\u964d\u4f4e\u4e86\u5355\u70b9\u6545\u969c\u5bf9\u6574\u4f53\u7cfb\u7edf\u7684\u5f71\u54cd\u3002\u5ba2\u6237\u7aef\u901a\u8fc7\u54c8\u5e0c\u69fd\uff08Hash Slot\uff09\u673a\u5236\u900f\u660e\u5730\u5bfb\u5740\u5230\u6b63\u786e\u7684\u8282\u70b9\u8fdb\u884c\u8bfb\u5199\u64cd\u4f5c\u3002\u5982\u4e0b\u56fe[3]<\/span>\uff1a<\/span><\/p>\n

\n

\u5bf9\u4e8e\u5ba2\u6237\u7aef\u5982\u4f55\u627e\u5230\u6570\u636e\uff0cRedisCluster\u65b9\u6848\u63d0\u4f9b\u4e86\u4e00\u79cd\u91cd\u5b9a\u5411\u673a\u5236\uff0c\u6240\u8c13\u7684\u201c\u91cd\u5b9a\u5411\u201d\uff0c\u5c31\u662f\u6307\uff0c\u5ba2\u6237\u7aef\u7ed9\u4e00\u4e2a\u5b9e\u4f8b\u53d1\u9001\u6570\u636e\u8bfb\u5199\u64cd\u4f5c\u65f6\uff0c\u8fd9\u4e2a\u5b9e\u4f8b\u4e0a\u5e76\u6ca1\u6709\u76f8\u5e94\u7684\u6570\u636e\uff0c\u5ba2\u6237\u7aef\u8981\u518d\u7ed9\u4e00\u4e2a\u65b0\u5b9e\u4f8b\u53d1\u9001\u64cd\u4f5c\u547d\u4ee4[3]<\/span>\u3002<\/span><\/p>\n

\n

\u5982\u679c Slot \u6b63\u5728\u8fc1\u79fb\uff0c\u5219\u5ba2\u6237\u7aef\u4f1a\u6536\u5230\u4e00\u6761 ASK \u62a5\u9519\u4fe1\u606f\uff0c\u544a\u8bc9\u5ba2\u6237\u7aef\u6b63\u5728\u8fc1\u79fb\uff08ASK \u547d\u4ee4\u5e76\u4e0d\u4f1a\u66f4\u65b0\u5ba2\u6237\u7aef\u7f13\u5b58\u7684\u54c8\u5e0c\u69fd\u5206\u914d\u4fe1\u606f\uff09\uff0c\u6b64\u65f6\uff0c\u5ba2\u6237\u7aef\u9700\u8981\u5148\u7ed9 Slot \u6240\u5728\u7684\u5b9e\u4f8b\u53d1\u9001\u4e00\u4e2a ASKING \u547d\u4ee4\uff0c\u8868\u793a\u8ba9\u8fd9\u4e2a\u5b9e\u4f8b\u8fd0\u884c\u6267\u884c\u5ba2\u6237\u7aef\u63a5\u4e0b\u6765\u53d1\u9001\u7684\u547d\u4ee4\uff0c\u7136\u540e\u5ba2\u6237\u7aef\u518d\u5411\u8fd9\u4e2a\u5b9e\u4f8b\u53d1\u9001\u5bf9\u5e94\u7684\u64cd\u4f5c\u547d\u4ee4\u3002<\/span><\/p>\n

\n

Cluster\u8282\u70b9\u95f4\u901a\u8fc7Gossip\u534f\u8bae\u8fdb\u884c\u901a\u4fe1\uff0c\u5171\u4eab\u96c6\u7fa4\u72b6\u6001\u4fe1\u606f\uff0c\u5305\u62ec\u8282\u70b9\u65b0\u589e\u3001\u79fb\u9664\u3001\u4e3b\u4ece\u5207\u6362\u7b49\u3002\u5f53\u67d0\u4e2a\u4e3b\u8282\u70b9\u6545\u969c\u65f6\uff0c\u5176\u5bf9\u5e94\u7684\u4ece\u8282\u70b9\u4f1a\u53d1\u8d77\u9009\u4e3e\u6210\u4e3a\u65b0\u4e3b\u8282\u70b9\uff0c\u540c\u65f6\u5176\u4ed6\u8282\u70b9\u53ca\u5ba2\u6237\u7aef\u4f1a\u6536\u5230\u66f4\u65b0\u901a\u77e5\uff0c\u81ea\u52a8\u8c03\u6574\u8fde\u63a5\u3002\u6b64\u8fc7\u7a0b\u65e0\u9700\u4eba\u5de5\u5e72\u9884\uff0c\u5b9e\u73b0\u4e86\u81ea\u52a8\u5316\u7684\u6545\u969c\u6062\u590d\u3002<\/span><\/p>\n

<\/span><\/p>\n

\u9762\u8bd5\u5b98\uff1a\u90a3\u4f60\u77e5\u9053\u4ec0\u4e48\u662f\u8111\u88c2\u5417\uff1f<\/span><\/p>\n

\n

\u8fd8\u597d\u8fd9\u4e2a\u4f60\u4e5f\u4e86\u89e3\u8fc7\uff1a<\/span><\/p>\n

\n

\u7531\u4e8e\u7f51\u7edc\u95ee\u9898\uff0c\u96c6\u7fa4\u8282\u70b9\u4e4b\u95f4\u5931\u53bb\u8054\u7cfb\u3002\u4e3b\u4ece\u6570\u636e\u4e0d\u540c\u6b65\uff1b\u91cd\u65b0\u5e73\u8861\u9009\u4e3e\uff0c\u4ea7\u751f\u4e24\u4e2a\u4e3b\u670d\u52a1\u3002\u7b49\u7f51\u7edc\u6062\u590d\uff0c\u65e7\u4e3b\u8282\u70b9\u4f1a\u964d\u7ea7\u4e3a\u4ece\u8282\u70b9\uff0c\u518d\u4e0e\u65b0\u4e3b\u8282\u70b9\u8fdb\u884c\u540c\u6b65\u590d\u5236\u7684\u65f6\u5019\uff0c\u7531\u4e8e\u4f1a\u4ece\u8282\u70b9\u4f1a\u6e05\u7a7a\u81ea\u5df1\u7684\u7f13\u51b2\u533a\uff0c\u6240\u4ee5\u5bfc\u81f4\u4e4b\u524d\u5ba2\u6237\u7aef\u5199\u5165\u7684\u6570\u636e\u4e22\u5931\u4e86[4]<\/span>\u3002<\/span><\/p>\n

\n

\u89e3\u51b3\u65b9\u6848\u662f\uff1a<\/span><\/strong><\/p>\n

\n

\u5f53\u4e3b\u8282\u70b9\u53d1\u73b0\u4ece\u8282\u70b9\u4e0b\u7ebf\u6216\u8005\u901a\u4fe1\u8d85\u65f6\u7684\u603b\u6570\u91cf\u5c0f\u4e8e\u9608\u503c\u65f6\uff0c\u90a3\u4e48\u7981\u6b62\u4e3b\u8282\u70b9\u8fdb\u884c\u5199\u6570\u636e\uff0c\u76f4\u63a5\u628a\u9519\u8bef\u8fd4\u56de\u7ed9\u5ba2\u6237\u7aef\u3002\u5728 Redis \u7684\u914d\u7f6e\u6587\u4ef6\u4e2d\u6709\u4e24\u4e2a\u53c2\u6570\u6211\u4eec\u53ef\u4ee5\u8bbe\u7f6e\uff1a<\/span><\/p>\n

1\u3001min-slaves-to-write x\uff0c\u4e3b\u8282\u70b9\u5fc5\u987b\u8981\u6709\u81f3\u5c11 x \u4e2a\u4ece\u8282\u70b9\u8fde\u63a5\uff0c\u5982\u679c\u5c0f\u4e8e\u8fd9\u4e2a\u6570\uff0c\u4e3b\u8282\u70b9\u4f1a\u7981\u6b62\u5199\u6570\u636e\u3002<\/span><\/p>\n

2\u3001min-slaves-max-lag x\uff0c\u4e3b\u4ece\u6570\u636e\u590d\u5236\u548c\u540c\u6b65\u7684\u5ef6\u8fdf\u4e0d\u80fd\u8d85\u8fc7 x \u79d2\uff0c\u5982\u679c\u8d85\u8fc7\uff0c\u4e3b\u8282\u70b9\u4f1a\u7981\u6b62\u5199\u6570\u636e\u3002<\/span><\/p>\n

\u6211\u4eec\u53ef\u4ee5\u628a min-slaves-to-write \u548c min-slaves-max-lag \u8fd9\u4e24\u4e2a\u914d\u7f6e\u9879\u642d\u914d\u8d77\u6765\u4f7f\u7528\uff0c\u5206\u522b\u7ed9\u5b83\u4eec\u8bbe\u7f6e\u4e00\u5b9a\u7684\u9608\u503c\uff0c\u5047\u8bbe\u4e3a N \u548c T\u3002<\/span><\/p>\n

\n

\u8fd9\u4e24\u4e2a\u914d\u7f6e\u9879\u7ec4\u5408\u540e\u7684\u8981\u6c42\u662f\uff0c\u4e3b\u5e93\u8fde\u63a5\u7684\u4ece\u5e93\u4e2d\u81f3\u5c11\u6709 N \u4e2a\u4ece\u5e93\uff0c\u548c\u4e3b\u5e93\u8fdb\u884c\u6570\u636e\u590d\u5236\u65f6\u7684 ACK \u6d88\u606f\u5ef6\u8fdf\u4e0d\u80fd\u8d85\u8fc7 T \u79d2\uff0c\u5426\u5219\uff0c\u4e3b\u5e93\u5c31\u4e0d\u4f1a\u518d\u63a5\u6536\u5ba2\u6237\u7aef\u7684\u5199\u8bf7\u6c42\u4e86\u3002<\/span><\/p>\n

\n

\u7b49\u5230\u65b0\u4e3b\u5e93\u4e0a\u7ebf\u65f6\uff0c\u5c31\u53ea\u6709\u65b0\u4e3b\u5e93\u80fd\u63a5\u6536\u548c\u5904\u7406\u5ba2\u6237\u7aef\u8bf7\u6c42\uff0c\u6b64\u65f6\uff0c\u65b0\u5199\u7684\u6570\u636e\u4f1a\u88ab\u76f4\u63a5\u5199\u5230\u65b0\u4e3b\u5e93\u4e2d\u3002\u800c\u539f\u4e3b\u5e93\u4f1a\u88ab\u54e8\u5175\u964d\u4e3a\u4ece\u5e93\uff0c\u5373\u4f7f\u5b83\u7684\u6570\u636e\u88ab\u6e05\u7a7a\u4e86\uff0c\u4e5f\u4e0d\u4f1a\u6709\u65b0\u6570\u636e\u4e22\u5931\u3002<\/span><\/p>\n

\n

<\/span><\/p>\n

\u7ed3\u8bed<\/span><\/p>\n

\n

Redis\u901a\u8fc7\u4e3b\u4ece\u590d\u5236\u3001\u54e8\u5175\u6a21\u5f0f\u3001\u96c6\u7fa4\u6a21\u5f0f\u7b49\u591a\u7ef4\u5ea6\u6784\u5efa\u4e86\u5f3a\u5927\u7684\u9ad8\u53ef\u7528\u4f53\u7cfb\uff1a<\/span><\/p>\n

1\u3001\u4e3b\u4ece\u590d\u5236\u4e0e\u54e8\u5175\u6a21\u5f0f\uff0c\u5b9e\u73b0\u4e86\u8282\u70b9\u95f4\u7684\u5b9e\u65f6\u6570\u636e\u540c\u6b65\u4e0e\u81ea\u52a8\u6545\u969c\u8f6c\u79fb\uff0c\u786e\u4fdd\u5728\u5355\u70b9\u6545\u969c\u65f6\u670d\u52a1\u8fde\u7eed\u6027\uff1b<\/span><\/p>\n

2\u3001\u96c6\u7fa4\u6a21\u5f0f\u901a\u8fc7\u6570\u636e\u5206\u7247\u4e0e\u8282\u70b9\u95f4\u901a\u4fe1\uff0c\u6709\u6548\u5206\u6563\u7cfb\u7edf\u538b\u529b\uff0c\u964d\u4f4e\u5355\u70b9\u6545\u969c\u98ce\u9669\uff0c\u63d0\u4f9b\u6c34\u5e73\u6269\u5c55\u80fd\u529b\u3002<\/span><\/p>\n

<\/span><\/p>\n

\u9762\u5bf9\u9762\u8bd5\u5b98\u5173\u4e8eRedis\u5982\u4f55\u4fdd\u969c\u9ad8\u53ef\u7528\u6027\u7684\u63d0\u95ee\uff0c\u6211\u4eec\u53ef\u4ee5\u81ea\u4fe1\u5730\u9610\u8ff0\u4e0a\u8ff0\u7b56\u7565\u4e0e\u6280\u672f\u624b\u6bb5\uff0c\u5c55\u73b0\u5bf9Redis\u9ad8\u53ef\u7528\u7279\u6027\u7684\u6df1\u5165\u7406\u89e3\u548c\u638c\u63e1\u3002<\/span><\/p>\n

\n

\n

\u53c2\u8003\uff1a<\/span><\/p>\n

[1]<\/span>https:\/\/xiaolincoding.com\/redis\/cluster\/master_slave_replication.html<\/span><\/p>\n

[2]<\/span>https:\/\/xiaolincoding.com\/redis\/cluster\/sentinel.html<\/span><\/p>\n

[3]<\/span>https:\/\/time.geekbang.org\/column\/article\/276545<\/span><\/p>\n

[4]<\/span>https:\/\/xiaolincoding.com\/redis\/base\/redis_interview.html<\/span><\/p>\n

<\/span><\/p>\n

<\/span><\/p>\n

\u70b9\u51fb\u5173\u6ce8\u6211\uff0c\u4ea4\u4e2a\u670b\u53cb\u5427\uff01<\/span><\/span><\/span><\/p>\n

<\/mp-common-profile><\/section>\n

\n<\/article>\n

<\/mp-style-type><\/p>\n

\n

\u672c\u7bc7\u6587\u7ae0\u6765\u6e90\u4e8e\u5fae\u4fe1\u516c\u4f17\u53f7: \u7a0b\u5e8f\u5458Aike <\/p>\n<\/blockquote>\n<\/div>\n","raw":"","protected":false},"excerpt":{"rendered":"

\u56de\u7b54\u4e86Redis\u901a\u8fc7RDB\u3001AOF\u65e5\u5fd7\u53ef\u4ee5\u4fdd\u969c\u6570\u636e\u4e0d\u4e22\u5931\u540e\uff0c\u9762\u8bd5\u5b98\u89c9\u5f97\u4f60\u5bf9Redis\u7684\u57fa\u672c\u539f\u7406\u4e86\u89e3\u5f97\u8fd8\u4e0d\u9519\uff0c\u51b3\u5b9a\u8fdb\u4e00\u6b65\u63a2\u63a2\u4f60\u7684\u201c\u5e95 …<\/p>\n","protected":false},"author":1,"featured_media":4545,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"emotion":"","emotion_color":"","title_style":"","license":"","footnotes":""},"categories":[30],"tags":[],"class_list":["post-4552","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-30"],"post_thumbnail_image":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/05\/20240524165700971-150x150.jpeg","content_first_image":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/05\/20240524165705156.png","post_medium_image_300":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/05\/20240524165700971-300x128.jpeg","post_thumbnail_image_624":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/05\/20240524165700971-1024x436.jpeg","post_frist_image":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/05\/20240524165705156.png","post_medium_image":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/05\/20240524165700971-300x128.jpeg","post_large_image":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/05\/20240524165700971-1024x436.jpeg","post_full_image":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/05\/20240524165700971.jpeg","post_all_images":[{"imagesurl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/05\/20240524165705156.png","id":"image0"},{"imagesurl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/05\/20240524165705156.png","id":"image1"},{"imagesurl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/05\/20240524165713728.png","id":"image2"},{"imagesurl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/05\/20240524165713728.png","id":"image3"},{"imagesurl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/05\/20240524165719280.png","id":"image4"},{"imagesurl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/05\/20240524165719280.png","id":"image5"},{"imagesurl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/05\/20240524165724507.png","id":"image6"},{"imagesurl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2024\/05\/20240524165724507.png","id":"image7"}],"videoAdId":"","listAd":"0","listAdId":"","listAdEvery":6,"total_comments":0,"category_name":"\u9762\u8bd5","post_date":"2024-04-21","like_count":"0","praiseWord":"\u9f13\u52b1","copyright_state":"","excitationAd":"0","rewardedVideoAdId":"","detailAdId":"","detailAd":"0","enterpriseMinapp":"0","audios":[],"postImageUrl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230519082947553.jpg","avatarurls":[],"related_posts":null,"pageviews":298,"next_post_id":4088,"next_post_title":"\u5b57\u8282\u9762\u8bd5\u9898\uff1a\u7b80\u8981\u8bf4\u660eJava\u4e2d\u53ef\u8fbe\u6027\u5206\u6790\uff08Reachability Analysis\uff09\u7684\u5de5\u4f5c\u539f\u7406","previous_post_id":4092,"previous_post_title":"\u5173\u4e8eJava\u4e2d\u6b7b\u9501\u7684\u9762\u8bd5\u9898\uff0c\u770b\u5b8c\u8fd9\u4e00\u7bc7\u5c31\u591f\u4e86","_links":{"self":[{"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/posts\/4552","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/comments?post=4552"}],"version-history":[{"count":0,"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/posts\/4552\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/media\/4545"}],"wp:attachment":[{"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/media?parent=4552"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/categories?post=4552"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/tags?post=4552"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}