{"id":201370,"date":"2025-05-10T08:44:58","date_gmt":"2025-05-10T00:44:58","guid":{"rendered":"https:\/\/server.hk\/cnblog\/201370\/"},"modified":"2025-05-10T08:44:58","modified_gmt":"2025-05-10T00:44:58","slug":"%e9%9d%a2%e8%af%95%e5%ae%98%ef%bc%9a%e4%b8%ba%e4%bb%80%e4%b9%88-redis-%e8%a6%81%e6%9c%89%e5%93%a8%e5%85%b5%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/201370\/","title":{"rendered":"\u9762\u8bd5\u5b98\uff1a\u4e3a\u4ec0\u4e48 Redis \u8981\u6709\u54e8\u5175\uff1f"},"content":{"rendered":"

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

\u9762\u8bd5\u5b98\uff1a\u4e3a\u4ec0\u4e48 Redis \u8981\u6709\u54e8\u5175\uff1f<\/h1>\n

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

\u5bf9\u4e8e\u4e00\u4e2a\u6570\u636e\u5e93\u5f00\u53d1\u8005\u6765\u8bf4\uff0c\u7262\u56fa\u624e\u5b9e\u7684\u57fa\u7840\u662f\u5341\u5206\u91cd\u8981\u7684\uff0cgolang\u5b66\u4e60\u7f51\u5c31\u6765\u5e26\u5927\u5bb6\u4e00\u70b9\u70b9\u7684\u638c\u63e1\u57fa\u7840\u77e5\u8bc6\u70b9\u3002\u4eca\u5929\u672c\u7bc7\u6587\u7ae0\u5e26\u5927\u5bb6\u4e86\u89e3\u300a\u9762\u8bd5\u5b98\uff1a\u4e3a\u4ec0\u4e48 Redis \u8981\u6709\u54e8\u5175\uff1f\u300b\uff0c\u4e3b\u8981\u4ecb\u7ecd\u4e86Redis\u3001\u673a\u5236\u3001Sentinel\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u5feb\u70b9\u6536\u85cf\u8d77\u6765\u5427\uff0c\u5426\u5219\u9700\u8981\u65f6\u5c31\u627e\u4e0d\u5230\u4e86\uff01<\/p>\n

\u7f51\u7ad9\u6709\u8bfb\u8005\u7559\u8a00\u95ee\uff1a\u5982\u4f55\u8fdb\u884c\u6545\u969c\u8f6c\u79fb\uff1f<\/p>\n<\/p>\n

<\/p>\n

\u6240\u4ee5\uff0c\u540e\u9762\u6211\u5c31\u8865\u5145\u4e86\u8fd9\u90e8\u5206\u5185\u5bb9\u3002<\/p>\n<\/p>\n

<\/p>\n

\u8bdd\u4e0d\u591a\u8bf4\uff0c\u53d1\u8f66\uff01<\/p>\n

\u4e3a\u4ec0\u4e48\u8981\u6709\u54e8\u5175\u673a\u5236\uff1f<\/h3>\n

\u5728 Redis \u7684\u4e3b\u4ece\u67b6\u6784\u4e2d\uff0c\u7531\u4e8e\u4e3b\u4ece\u6a21\u5f0f\u662f\u8bfb\u5199\u5206\u79bb\u7684\uff0c\u5982\u679c\u4e3b\u8282\u70b9\uff08master\uff09\u6302\u4e86\uff0c\u90a3\u4e48\u5c06\u6ca1\u6709\u4e3b\u8282\u70b9\u6765\u670d\u52a1\u5ba2\u6237\u7aef\u7684\u5199\u64cd\u4f5c\u8bf7\u6c42\uff0c\u4e5f\u6ca1\u6709\u4e3b\u8282\u70b9\u7ed9\u4ece\u8282\u70b9\uff08slave\uff09\u8fdb\u884c\u6570\u636e\u540c\u6b65\u4e86\u3002<\/p>\n<\/p>\n

<\/p>\n

\u4e3b\u8282\u70b9\u6302\u4e86<\/p>\n

\u8fd9\u65f6\u5982\u679c\u8981\u6062\u590d\u670d\u52a1\u7684\u8bdd\uff0c\u9700\u8981\u4eba\u5de5\u4ecb\u5165\uff0c\u9009\u62e9\u4e00\u4e2a\u300c\u4ece\u8282\u70b9\u300d\u5207\u6362\u4e3a\u300c\u4e3b\u8282\u70b9\u300d\uff0c\u7136\u540e\u8ba9\u5176\u4ed6\u4ece\u8282\u70b9\u6307\u5411\u65b0\u7684\u4e3b\u8282\u70b9\uff0c\u540c\u65f6\u8fd8\u9700\u8981\u901a\u77e5\u4e0a\u6e38\u90a3\u4e9b\u8fde\u63a5 Redis \u4e3b\u8282\u70b9\u7684\u5ba2\u6237\u7aef\uff0c\u5c06\u5176\u914d\u7f6e\u4e2d\u7684\u4e3b\u8282\u70b9 IP \u5730\u5740\u66f4\u65b0\u4e3a\u300c\u65b0\u4e3b\u8282\u70b9\u300d\u7684 IP \u5730\u5740\u3002<\/p>\n

\u8fd9\u6837\u4e5f\u4e0d\u592a\u201c\u667a\u80fd\u201d\u4e86\uff0c\u8981\u662f\u6709\u4e00\u4e2a\u8282\u70b9\u80fd\u76d1\u63a7\u300c\u4e3b\u8282\u70b9\u300d\u7684\u72b6\u6001\uff0c\u5f53\u53d1\u73b0\u4e3b\u8282\u70b9\u6302\u4e86 \uff0c\u5b83\u81ea\u52a8\u5c06\u4e00\u4e2a\u300c\u4ece\u8282\u70b9\u300d\u5207\u6362\u4e3a\u300c\u4e3b\u8282\u70b9\u300d\u7684\u8bdd\uff0c\u90a3\u4e48\u53ef\u4ee5\u8282\u7701\u6211\u4eec\u5f88\u591a\u4e8b\u60c5\u554a\uff01<\/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\u3002\u5b83\u4f1a\u76d1\u6d4b\u4e3b\u8282\u70b9\u662f\u5426\u5b58\u6d3b\uff0c\u5982\u679c\u53d1\u73b0\u4e3b\u8282\u70b9\u6302\u4e86\uff0c\u5b83\u5c31\u4f1a\u9009\u4e3e\u4e00\u4e2a\u4ece\u8282\u70b9\u5207\u6362\u4e3a\u4e3b\u8282\u70b9\uff0c\u5e76\u4e14\u628a\u65b0\u4e3b\u8282\u70b9\u7684\u76f8\u5173\u4fe1\u606f\u901a\u77e5\u7ed9\u4ece\u8282\u70b9\u548c\u5ba2\u6237\u7aef\u3002<\/p>\n

\u54e8\u5175\u673a\u5236\u662f\u5982\u4f55\u5de5\u4f5c\u7684\uff1f<\/h3>\n

\u54e8\u5175\u5176\u5b9e\u662f\u4e00\u4e2a\u8fd0\u884c\u5728\u7279\u6b8a\u6a21\u5f0f\u4e0b\u7684 Redis \u8fdb\u7a0b\uff0c\u6240\u4ee5\u5b83\u4e5f\u662f\u4e00\u4e2a\u8282\u70b9\u3002\u4ece\u201c\u54e8\u5175\u201d\u8fd9\u4e2a\u540d\u5b57\u4e5f\u53ef\u4ee5\u770b\u5f97\u51fa\u6765\uff0c\u5b83\u76f8\u5f53\u4e8e\u662f\u201c\u89c2\u5bdf\u8005\u8282\u70b9\u201d\uff0c\u89c2\u5bdf\u7684\u5bf9\u8c61\u662f\u4e3b\u4ece\u8282\u70b9\u3002<\/p>\n

\u5f53\u7136\uff0c\u5b83\u4e0d\u4ec5\u4ec5\u662f\u89c2\u5bdf\u90a3\u4e48\u7b80\u5355\uff0c\u5728\u5b83\u89c2\u5bdf\u5230\u6709\u5f02\u5e38\u7684\u72b6\u51b5\u4e0b\uff0c\u4f1a\u505a\u51fa\u4e00\u4e9b\u201c\u52a8\u4f5c\u201d\uff0c\u6765\u4fee\u590d\u5f02\u5e38\u72b6\u6001\u3002<\/p>\n

\u54e8\u5175\u8282\u70b9\u4e3b\u8981\u8d1f\u8d23\u4e09\u4ef6\u4e8b\u60c5\uff1a\u76d1\u63a7\u3001\u9009\u4e3b\u3001\u901a\u77e5\u3002<\/p>\n<\/p>\n

<\/p>\n

\u54e8\u5175\u7684\u804c\u8d23<\/p>\n

\u6240\u4ee5\uff0c\u6211\u4eec\u91cd\u70b9\u8981\u5b66\u4e60\u8fd9\u4e09\u4ef6\u4e8b\u60c5\uff1a<\/p>\n

    \n
  • \u54e8\u5175\u8282\u70b9\u662f\u5982\u4f55\u76d1\u63a7\u8282\u70b9\u7684\uff1f\u53c8\u662f\u5982\u4f55\u5224\u65ad\u4e3b\u8282\u70b9\u662f\u5426\u771f\u7684\u6545\u969c\u4e86\uff1f<\/li>\n
  • \u6839\u636e\u4ec0\u4e48\u89c4\u5219\u9009\u62e9\u4e00\u4e2a\u4ece\u8282\u70b9\u5207\u6362\u4e3a\u4e3b\u8282\u70b9\uff1f<\/li>\n
  • \u600e\u4e48\u628a\u65b0\u4e3b\u8282\u70b9\u7684\u76f8\u5173\u4fe1\u606f\u901a\u77e5\u7ed9\u4ece\u8282\u70b9\u548c\u5ba2\u6237\u7aef\u5462\uff1f<\/li>\n<\/ul>\n

    \u5982\u4f55\u5224\u65ad\u4e3b\u8282\u70b9\u771f\u7684\u6545\u969c\u4e86\uff1f<\/h3>\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<\/p>\n<\/p>\n

    <\/p>\n

    \u54e8\u5175\u76d1\u63a7\u4e3b\u4ece\u8282\u70b9<\/p>\n

    \u5982\u679c\u4e3b\u8282\u70b9\u6216\u8005\u4ece\u8282\u70b9\u6ca1\u6709\u5728\u89c4\u5b9a\u7684\u65f6\u95f4\u5185\u54cd\u5e94\u54e8\u5175\u7684 PING \u547d\u4ee4\uff0c\u54e8\u5175\u5c31\u4f1a\u5c06\u5b83\u4eec\u6807\u8bb0\u4e3a\u300c\u4e3b\u89c2\u4e0b\u7ebf\u300d\u3002\u8fd9\u4e2a\u300c\u89c4\u5b9a\u7684\u65f6\u95f4\u300d\u662f\u914d\u7f6e\u9879  down-after-milliseconds \u53c2\u6570\u8bbe\u5b9a\u7684\uff0c\u5355\u4f4d\u662f\u6beb\u79d2\u3002<\/p>\n

    \u4e3b\u89c2\u4e0b\u7ebf\uff1f\u96be\u9053\u8fd8\u6709\u5ba2\u89c2\u4e0b\u7ebf\uff1f<\/strong><\/p>\n

    \u662f\u7684\u6ca1\u9519\uff0c\u5ba2\u89c2\u4e0b\u7ebf\u53ea\u9002\u7528\u4e8e\u4e3b\u8282\u70b9\u3002<\/p>\n

    \u4e4b\u6240\u4ee5\u9488\u5bf9\u300c\u4e3b\u8282\u70b9\u300d\u8bbe\u8ba1\u300c\u4e3b\u89c2\u4e0b\u7ebf\u300d\u548c\u300c\u5ba2\u89c2\u4e0b\u7ebf\u300d\u4e24\u4e2a\u72b6\u6001\uff0c\u662f\u56e0\u4e3a\u6709\u53ef\u80fd\u300c\u4e3b\u8282\u70b9\u300d\u5176\u5b9e\u5e76\u6ca1\u6709\u6545\u969c\uff0c\u53ef\u80fd\u53ea\u662f\u56e0\u4e3a\u4e3b\u8282\u70b9\u7684\u7cfb\u7edf\u538b\u529b\u6bd4\u8f83\u5927\u6216\u8005\u7f51\u7edc\u53d1\u9001\u4e86\u62e5\u585e\uff0c\u5bfc\u81f4\u4e3b\u8282\u70b9\u6ca1\u6709\u5728\u89c4\u5b9a\u65f6\u95f4\u5185\u54cd\u5e94\u54e8\u5175\u7684 PING \u547d\u4ee4\u3002<\/p>\n

    \u6240\u4ee5\uff0c\u4e3a\u4e86\u51cf\u5c11\u8bef\u5224\u7684\u60c5\u51b5\uff0c\u54e8\u5175\u5728\u90e8\u7f72\u7684\u65f6\u5019\u4e0d\u4f1a\u53ea\u90e8\u7f72\u4e00\u4e2a\u8282\u70b9\uff0c\u800c\u662f\u7528\u591a\u4e2a\u8282\u70b9\u90e8\u7f72\u6210\u54e8\u5175\u96c6\u7fa4\uff08\u6700\u5c11\u9700\u8981\u4e09\u53f0\u673a\u5668\u6765\u90e8\u7f72\u54e8\u5175\u96c6\u7fa4\uff09\uff0c\u901a\u8fc7\u591a\u4e2a\u54e8\u5175\u8282\u70b9\u4e00\u8d77\u5224\u65ad\uff0c\u5c31\u53ef\u4ee5\u5c31\u53ef\u4ee5\u907f\u514d\u5355\u4e2a\u54e8\u5175\u56e0\u4e3a\u81ea\u8eab\u7f51\u7edc\u72b6\u51b5\u4e0d\u597d\uff0c\u800c\u8bef\u5224\u4e3b\u8282\u70b9\u4e0b\u7ebf\u7684\u60c5\u51b5\u3002\u540c\u65f6\uff0c\u591a\u4e2a\u54e8\u5175\u7684\u7f51\u7edc\u540c\u65f6\u4e0d\u7a33\u5b9a\u7684\u6982\u7387\u8f83\u5c0f\uff0c\u7531\u5b83\u4eec\u4e00\u8d77\u505a\u51b3\u7b56\uff0c\u8bef\u5224\u7387\u4e5f\u80fd\u964d\u4f4e\u3002<\/p>\n

    \u5177\u4f53\u662f\u600e\u4e48\u5224\u5b9a\u4e3b\u8282\u70b9\u4e3a\u300c\u5ba2\u89c2\u4e0b\u7ebf\u300d\u7684\u5462\uff1f<\/p>\n

    \u5f53\u4e00\u4e2a\u54e8\u5175\u5224\u65ad\u4e3b\u8282\u70b9\u4e3a\u300c\u4e3b\u89c2\u4e0b\u7ebf\u300d\u540e\uff0c\u5c31\u4f1a\u5411\u5176\u4ed6\u54e8\u5175\u53d1\u8d77\u547d\u4ee4\uff0c\u5176\u4ed6\u54e8\u5175\u6536\u5230\u8fd9\u4e2a\u547d\u4ee4\u540e\uff0c\u5c31\u4f1a\u6839\u636e\u81ea\u8eab\u548c\u4e3b\u8282\u70b9\u7684\u7f51\u7edc\u72b6\u51b5\uff0c\u505a\u51fa\u8d5e\u6210\u6295\u7968\u6216\u8005\u62d2\u7edd\u6295\u7968\u7684\u54cd\u5e94\u3002<\/p>\n<\/p>\n

    <\/p>\n

    \u5f53\u8fd9\u4e2a\u54e8\u5175\u7684\u8d5e\u540c\u7968\u6570\u8fbe\u5230\u54e8\u5175\u914d\u7f6e\u6587\u4ef6\u4e2d\u7684 quorum \u914d\u7f6e\u9879\u8bbe\u5b9a\u7684\u503c\u540e\uff0c\u8fd9\u65f6\u4e3b\u8282\u70b9\u5c31\u4f1a\u88ab\u8be5\u54e8\u5175\u6807\u8bb0\u4e3a\u300c\u5ba2\u89c2\u4e0b\u7ebf\u300d\u3002<\/p>\n

    \u4f8b\u5982\uff0c\u73b0\u5728\u6709 3 \u4e2a\u54e8\u5175\uff0cquorum \u914d\u7f6e\u7684\u662f 2\uff0c\u90a3\u4e48\u4e00\u4e2a\u54e8\u5175\u9700\u8981 2 \u5f20\u8d5e\u6210\u7968\uff0c\u5c31\u53ef\u4ee5\u6807\u8bb0\u4e3b\u8282\u70b9\u4e3a\u201c\u5ba2\u89c2\u4e0b\u7ebf\u201d\u4e86\u3002\u8fd9 2 \u5f20\u8d5e\u6210\u7968\u5305\u62ec\u54e8\u5175\u81ea\u5df1\u7684\u4e00\u5f20\u8d5e\u6210\u7968\u548c\u53e6\u5916\u4e24\u4e2a\u54e8\u5175\u7684\u8d5e\u6210\u7968\u3002<\/p>\n

    PS\uff1aquorum \u7684\u503c\u4e00\u822c\u8bbe\u7f6e\u4e3a\u54e8\u5175\u4e2a\u6570\u7684\u4e8c\u5206\u4e4b\u4e00\u52a01\uff0c\u4f8b\u5982 3 \u4e2a\u54e8\u5175\u5c31\u8bbe\u7f6e 2\u3002<\/p>\n

    \u54e8\u5175\u5224\u65ad\u5b8c\u4e3b\u8282\u70b9\u5ba2\u89c2\u4e0b\u7ebf\u540e\uff0c\u54e8\u5175\u5c31\u8981\u5f00\u59cb\u5728\u591a\u4e2a\u300c\u4ece\u8282\u70b9\u300d\u4e2d\uff0c\u9009\u51fa\u4e00\u4e2a\u4ece\u8282\u70b9\u6765\u505a\u65b0\u4e3b\u8282\u70b9\u3002<\/p>\n

    \u7531\u54ea\u4e2a\u54e8\u5175\u8fdb\u884c\u4e3b\u4ece\u6545\u969c\u8f6c\u79fb\uff1f<\/h3>\n

    \u524d\u9762\u8bf4\u8fc7\uff0c\u4e3a\u4e86\u66f4\u52a0\u201c\u5ba2\u89c2\u201d\u7684\u5224\u65ad\u4e3b\u8282\u70b9\u6545\u969c\u4e86\uff0c\u4e00\u822c\u4e0d\u4f1a\u53ea\u7531\u5355\u4e2a\u54e8\u5175\u7684\u68c0\u6d4b\u7ed3\u679c\u6765\u5224\u65ad\uff0c\u800c\u662f\u591a\u4e2a\u54e8\u5175\u4e00\u8d77\u5224\u65ad\uff0c\u8fd9\u6837\u53ef\u4ee5\u51cf\u5c11\u8bef\u5224\u6982\u7387\uff0c\u6240\u4ee5\u54e8\u5175\u662f\u4ee5\u54e8\u5175\u96c6\u7fa4\u7684\u65b9\u5f0f\u5b58\u5728\u7684\u3002<\/p>\n

    \u95ee\u9898\u6765\u4e86\uff0c\u7531\u54e8\u5175\u96c6\u7fa4\u4e2d\u7684\u54ea\u4e2a\u8282\u70b9\u8fdb\u884c\u4e3b\u4ece\u6545\u969c\u8f6c\u79fb\u5462\uff1f<\/p>\n

    \u6240\u4ee5\u8fd9\u65f6\u5019\uff0c\u8fd8\u9700\u8981\u5728\u54e8\u5175\u96c6\u7fa4\u4e2d\u9009\u51fa\u4e00\u4e2a leeder\uff0c\u8ba9 leeder \u6765\u6267\u884c\u4e3b\u4ece\u5207\u6362\u3002<\/p>\n

    \u9009\u4e3e leeder \u7684\u8fc7\u7a0b\u5176\u5b9e\u662f\u4e00\u4e2a\u6295\u7968\u7684\u8fc7\u7a0b\uff0c\u5728\u6295\u7968\u5f00\u59cb\u524d\uff0c\u80af\u5b9a\u5f97\u6709\u4e2a\u300c\u5019\u9009\u8005\u300d\u3002<\/p>\n

    \u90a3\u8c01\u6765\u4f5c\u4e3a\u5019\u9009\u8005\u5462\uff1f<\/strong><\/p>\n

    \u54ea\u4e2a\u54e8\u5175\u8282\u70b9\u5224\u65ad\u4e3b\u8282\u70b9\u4e3a\u300c\u5ba2\u89c2\u4e0b\u7ebf\u300d\uff0c\u8fd9\u4e2a\u54e8\u5175\u8282\u70b9\u5c31\u662f\u5019\u9009\u8005\uff0c\u6240\u8c13\u7684\u5019\u9009\u8005\u5c31\u662f\u60f3\u5f53 Leader \u7684\u54e8\u5175\u3002<\/p>\n

    \u4e3e\u4e2a\u4f8b\u5b50\uff0c\u5047\u8bbe\u6709\u4e09\u4e2a\u54e8\u5175\u3002\u5f53\u54e8\u5175 B \u5148\u5224\u65ad\u5230\u4e3b\u8282\u70b9\u300c\u4e3b\u89c2\u4e0b\u7ebf\u540e\u300d\uff0c\u5c31\u4f1a\u7ed9\u5176\u4ed6\u5b9e\u4f8b\u53d1\u9001 is-master-down-by-addr \u547d\u4ee4\u3002\u63a5\u7740\uff0c\u5176\u4ed6\u54e8\u5175\u4f1a\u6839\u636e\u81ea\u5df1\u548c\u4e3b\u8282\u70b9\u7684\u7f51\u7edc\u8fde\u63a5\u60c5\u51b5\uff0c\u505a\u51fa\u8d5e\u6210\u6295\u7968\u6216\u8005\u62d2\u7edd\u6295\u7968\u7684\u54cd\u5e94\u3002<\/p>\n<\/p>\n

    <\/p>\n

    \u5f53\u54e8\u5175 B \u6536\u5230\u8d5e\u6210\u7968\u6570\u8fbe\u5230\u54e8\u5175\u914d\u7f6e\u6587\u4ef6\u4e2d\u7684 quorum \u914d\u7f6e\u9879\u8bbe\u5b9a\u7684\u503c\u540e\uff0c\u5c31\u4f1a\u5c06\u4e3b\u8282\u70b9\u6807\u8bb0\u4e3a\u300c\u5ba2\u89c2\u4e0b\u7ebf\u300d\uff0c\u6b64\u65f6\u7684\u54e8\u5175 B \u5c31\u662f\u4e00\u4e2aLeader \u5019\u9009\u8005\u3002<\/p>\n

    \u5019\u9009\u8005\u5982\u4f55\u9009\u4e3e\u6210\u4e3a Leader\uff1f<\/strong><\/p>\n

    \u5019\u9009\u8005\u4f1a\u5411\u5176\u4ed6\u54e8\u5175\u53d1\u9001\u547d\u4ee4\uff0c\u8868\u660e\u5e0c\u671b\u6210\u4e3a Leader \u6765\u6267\u884c\u4e3b\u4ece\u5207\u6362\uff0c\u5e76\u8ba9\u6240\u6709\u5176\u4ed6\u54e8\u5175\u5bf9\u5b83\u8fdb\u884c\u6295\u7968\u3002<\/p>\n

    \u6bcf\u4e2a\u54e8\u5175\u53ea\u6709\u4e00\u6b21\u6295\u7968\u673a\u4f1a\uff0c\u5982\u679c\u7528\u5b8c\u540e\u5c31\u4e0d\u80fd\u53c2\u4e0e\u6295\u7968\u4e86\uff0c\u53ef\u4ee5\u6295\u7ed9\u81ea\u5df1\u6216\u6295\u7ed9\u522b\u4eba\uff0c\u4f46\u662f\u53ea\u6709\u5019\u9009\u8005\u624d\u80fd\u628a\u7968\u6295\u7ed9\u81ea\u5df1\u3002<\/p>\n

    \u90a3\u4e48\u5728\u6295\u7968\u8fc7\u7a0b\u4e2d\uff0c\u4efb\u4f55\u4e00\u4e2a\u300c\u5019\u9009\u8005\u300d\uff0c\u8981\u6ee1\u8db3\u4e24\u4e2a\u6761\u4ef6\uff1a<\/p>\n

      \n
    • \u7b2c\u4e00\uff0c\u62ff\u5230\u534a\u6570\u4ee5\u4e0a\u7684\u8d5e\u6210\u7968\uff1b<\/li>\n
    • \u7b2c\u4e8c\uff0c\u62ff\u5230\u7684\u7968\u6570\u540c\u65f6\u8fd8\u9700\u8981\u5927\u4e8e\u7b49\u4e8e\u54e8\u5175\u914d\u7f6e\u6587\u4ef6\u4e2d\u7684 quorum \u503c\u3002<\/li>\n<\/ul>\n

      \u4e3e\u4e2a\u4f8b\u5b50\uff0c\u5047\u8bbe\u54e8\u5175\u8282\u70b9\u6709  3 \u4e2a\uff0cquorum \u8bbe\u7f6e\u4e3a 2\uff0c\u90a3\u4e48\u4efb\u4f55\u4e00\u4e2a\u60f3\u6210\u4e3a Leader \u7684\u54e8\u5175\u53ea\u8981\u62ff\u5230 2 \u5f20\u8d5e\u6210\u7968\uff0c\u5c31\u53ef\u4ee5\u9009\u4e3e\u6210\u529f\u4e86\u3002\u5982\u679c\u6ca1\u6709\u6ee1\u8db3\u6761\u4ef6\uff0c\u5c31\u9700\u8981\u91cd\u65b0\u8fdb\u884c\u9009\u4e3e\u3002<\/p>\n

      \u8fd9\u65f6\u5019\u6709\u7684\u540c\u5b66\u5c31\u4f1a\u95ee\u4e86\uff0c\u5982\u679c\u67d0\u4e2a\u65f6\u95f4\u70b9\uff0c\u521a\u597d\u6709\u4e24\u4e2a\u54e8\u5175\u8282\u70b9\u5224\u65ad\u5230\u4e3b\u8282\u70b9\u4e3a\u5ba2\u89c2\u4e0b\u7ebf\uff0c\u90a3\u8fd9\u65f6\u4e0d\u5c31\u6709\u4e24\u4e2a\u5019\u9009\u8005\u4e86\uff1f\u8fd9\u65f6\u8be5\u5982\u4f55\u51b3\u5b9a\u8c01\u662f Leader \u5462\uff1f<\/p>\n

      \u6bcf\u4f4d\u5019\u9009\u8005\u90fd\u4f1a\u5148\u7ed9\u81ea\u5df1\u6295\u4e00\u7968\uff0c\u7136\u540e\u5411\u5176\u4ed6\u54e8\u5175\u53d1\u8d77\u6295\u7968\u8bf7\u6c42\u3002\u5982\u679c\u6295\u7968\u8005\u5148\u6536\u5230\u300c\u5019\u9009\u8005 A\u300d\u7684\u6295\u7968\u8bf7\u6c42\uff0c\u5c31\u4f1a\u5148\u6295\u7968\u7ed9\u5b83\uff0c\u5982\u679c\u6295\u7968\u8005\u7528\u5b8c\u6295\u7968\u673a\u4f1a\u540e\uff0c\u6536\u5230\u300c\u5019\u9009\u8005 B\u300d\u7684\u6295\u7968\u8bf7\u6c42\u540e\uff0c\u5c31\u4f1a\u62d2\u7edd\u6295\u7968\u3002\u8fd9\u65f6\uff0c\u5019\u9009\u8005 A \u5148\u6ee1\u8db3\u4e86\u4e0a\u9762\u7684\u90a3\u4e24\u4e2a\u6761\u4ef6\uff0c\u6240\u4ee5\u300c\u5019\u9009\u8005 A\u300d\u5c31\u4f1a\u88ab\u9009\u4e3e\u4e3a Leader\u3002<\/p>\n

      \u4e3a\u4ec0\u4e48\u54e8\u5175\u8282\u70b9\u81f3\u5c11\u8981\u6709 3 \u4e2a\uff1f<\/strong><\/p>\n

      \u5982\u679c\u54e8\u5175\u96c6\u7fa4\u4e2d\u53ea\u6709 2 \u4e2a\u54e8\u5175\u8282\u70b9\uff0c\u6b64\u65f6\u5982\u679c\u4e00\u4e2a\u54e8\u5175\u60f3\u8981\u6210\u529f\u6210\u4e3a Leader\uff0c\u5fc5\u987b\u83b7\u5f97 2 \u7968\uff0c\u800c\u4e0d\u662f 1 \u7968\u3002<\/p>\n

      \u6240\u4ee5\uff0c\u5982\u679c\u54e8\u5175\u96c6\u7fa4\u4e2d\u6709\u4e2a\u54e8\u5175\u6302\u6389\u4e86\uff0c\u90a3\u4e48\u5c31\u53ea\u5269\u4e00\u4e2a\u54e8\u5175\u4e86\uff0c\u5982\u679c\u8fd9\u4e2a\u54e8\u5175\u60f3\u8981\u6210\u4e3a Leader\uff0c\u8fd9\u65f6\u7968\u6570\u5c31\u6ca1\u529e\u6cd5\u8fbe\u5230 2 \u7968\uff0c\u5c31\u65e0\u6cd5\u6210\u529f\u6210\u4e3a Leader\uff0c\u8fd9\u65f6\u662f\u65e0\u6cd5\u8fdb\u884c\u4e3b\u4ece\u8282\u70b9\u5207\u6362\u7684\u3002<\/p>\n

      \u56e0\u6b64\uff0c\u901a\u5e38\u6211\u4eec\u81f3\u5c11\u4f1a\u914d\u7f6e 3 \u4e2a\u54e8\u5175\u8282\u70b9\u3002\u8fd9\u65f6\uff0c\u5982\u679c\u54e8\u5175\u96c6\u7fa4\u4e2d\u6709\u4e2a\u54e8\u5175\u6302\u6389\u4e86\uff0c\u90a3\u4e48\u8fd8\u5269\u4e0b\u4e24\u4e2a\u4e2a\u54e8\u5175\uff0c\u5982\u679c\u8fd9\u4e2a\u54e8\u5175\u60f3\u8981\u6210\u4e3a Leader\uff0c\u8fd9\u65f6\u8fd8\u662f\u6709\u673a\u4f1a\u8fbe\u5230 2 \u7968\u7684\uff0c\u6240\u4ee5\u8fd8\u662f\u53ef\u4ee5\u9009\u4e3e\u6210\u529f\u7684\uff0c\u4e0d\u4f1a\u5bfc\u81f4\u65e0\u6cd5\u8fdb\u884c\u4e3b\u4ece\u8282\u70b9\u5207\u6362\u3002<\/p>\n

      \u5f53\u7136\uff0c\u4f60\u8981\u95ee\uff0c\u5982\u679c 3 \u4e2a\u54e8\u5175\u8282\u70b9\uff0c\u6302\u4e86 2 \u4e2a\u600e\u4e48\u529e\uff1f\u8fd9\u4e2a\u65f6\u5019\u5f97\u4eba\u4e3a\u4ecb\u5165\u4e86\uff0c\u6216\u8005\u589e\u52a0\u591a\u4e00\u70b9\u54e8\u5175\u8282\u70b9\u3002<\/p>\n

      \u518d\u8bf4\u4e00\u4e2a\u95ee\u9898\uff0cRedis 1 \u4e3b 4 \u4ece\uff0c5 \u4e2a\u54e8\u5175 \uff0cquorum \u8bbe\u7f6e\u4e3a 3\uff0c\u5982\u679c 2 \u4e2a\u54e8\u5175\u6545\u969c\uff0c\u5f53\u4e3b\u8282\u70b9\u5b95\u673a\u65f6\uff0c\u54e8\u5175\u80fd\u5426\u5224\u65ad\u4e3b\u8282\u70b9\u201c\u5ba2\u89c2\u4e0b\u7ebf\u201d\uff1f\u4e3b\u4ece\u80fd\u5426\u81ea\u52a8\u5207\u6362\uff1f<\/p>\n

        \n
      • \u54e8\u5175\u96c6\u7fa4\u53ef\u4ee5\u5224\u5b9a\u4e3b\u8282\u70b9\u201c\u5ba2\u89c2\u4e0b\u7ebf\u201d\u3002\u54e8\u5175\u96c6\u7fa4\u8fd8\u5269\u4e0b 3 \u4e2a\u54e8\u5175\uff0c\u5f53\u4e00\u4e2a\u54e8\u5175\u5224\u65ad\u4e3b\u8282\u70b9\u201c\u4e3b\u89c2\u4e0b\u7ebf\u201d\u540e\uff0c\u8be2\u95ee\u53e6\u5916 2 \u4e2a\u54e8\u5175\u540e\uff0c\u6709\u53ef\u80fd\u80fd\u62ff\u5230 3 \u5f20\u8d5e\u540c\u7968\uff0c\u8fd9\u65f6\u5c31\u8fbe\u5230\u4e86 quorum \u7684\u503c\uff0c\u56e0\u6b64\uff0c\u54e8\u5175\u96c6\u7fa4\u53ef\u4ee5\u5224\u5b9a\u4e3b\u8282\u70b9\u4e3a\u201c\u5ba2\u89c2\u4e0b\u7ebf\u201d\u3002<\/li>\n
      • \u54e8\u5175\u96c6\u7fa4\u53ef\u4ee5\u5b8c\u6210\u4e3b\u4ece\u5207\u6362\u3002\u5f53\u6709\u4e2a\u54e8\u5175\u6807\u8bb0\u4e3b\u8282\u70b9\u4e3a\u300c\u5ba2\u89c2\u4e0b\u7ebf\u300d\u540e\uff0c\u5c31\u4f1a\u8fdb\u884c\u9009\u4e3e Leader \u7684\u8fc7\u7a0b\uff0c\u56e0\u4e3a\u6b64\u65f6\u54e8\u5175\u96c6\u7fa4\u8fd8\u5269\u4e0b 3 \u4e2a\u54e8\u5175\uff0c\u90a3\u4e48\u8fd8\u662f\u53ef\u4ee5\u62ff\u5230\u534a\u6570\u4ee5\u4e0a\uff085\/2+1=3\uff09\u7684\u7968\uff0c\u800c\u4e14\u4e5f\u8fbe\u5230\u4e86 quorum \u503c\uff0c\u6ee1\u8db3\u4e86\u9009\u4e3e Leader \u7684\u4e24\u4e2a\u6761\u4ef6\uff0c \u6240\u4ee5\u5c31\u80fd\u9009\u4e3e\u6210\u529f\uff0c\u56e0\u6b64\u54e8\u5175\u96c6\u7fa4\u53ef\u4ee5\u5b8c\u6210\u4e3b\u4ece\u5207\u6362\u3002<\/li>\n<\/ul>\n

        \u5982\u679c quorum \u8bbe\u7f6e\u4e3a 2 \uff0c\u5e76\u4e14\u5982\u679c\u6709 3 \u4e2a\u54e8\u5175\u6545\u969c\u7684\u8bdd\u3002\u6b64\u65f6\u54e8\u5175\u96c6\u7fa4\u8fd8\u662f\u53ef\u4ee5\u5224\u5b9a\u4e3b\u8282\u70b9\u4e3a\u201c\u5ba2\u89c2\u4e0b\u7ebf\u201d\uff0c\u4f46\u662f\u54e8\u5175\u4e0d\u80fd\u5b8c\u6210\u4e3b\u4ece\u5207\u6362\u4e86\uff0c\u5927\u5bb6\u53ef\u4ee5\u81ea\u5df1\u63a8\u6f14\u4e0b\u3002<\/p>\n

        \u5982\u679c quorum \u8bbe\u7f6e\u4e3a 3\uff0c\u5e76\u4e14\u5982\u679c\u6709 3 \u4e2a\u54e8\u5175\u6545\u969c\u7684\u8bdd\uff0c\u54e8\u5175\u96c6\u7fa4\u5373\u4e0d\u80fd\u5224\u5b9a\u4e3b\u8282\u70b9\u4e3a\u201c\u5ba2\u89c2\u4e0b\u7ebf\u201d\uff0c\u4e5f\u4e0d\u80fd\u5b8c\u6210\u4e3b\u4ece\u5207\u6362\u4e86\u3002<\/p>\n

        \u53ef\u4ee5\u770b\u5230\uff0cquorum \u4e3a 2 \u7684\u65f6\u5019\uff0c\u5e76\u4e14\u5982\u679c\u6709 3 \u4e2a\u54e8\u5175\u6545\u969c\u7684\u8bdd\uff0c\u867d\u7136\u53ef\u4ee5\u5224\u5b9a\u4e3b\u8282\u70b9\u4e3a\u201c\u5ba2\u89c2\u4e0b\u7ebf\u201d\uff0c\u4f46\u662f\u4e0d\u80fd\u5b8c\u6210\u4e3b\u4ece\u5207\u6362\uff0c\u8fd9\u6837\u611f\u89c9\u300c\u5224\u5b9a\u4e3b\u8282\u70b9\u4e3a\u5ba2\u89c2\u4e0b\u7ebf\u300d\u8fd9\u4ef6\u4e8b\u60c5\u767d\u505a\u4e86\u4e00\u6837\uff0c\u65e2\u7136\u8fd9\u6837\uff0c\u8fd8\u4e0d\u5982\u4e0d\u8981\u505a\uff0cquorum \u4e3a 3 \u7684\u65f6\u5019\uff0c\u5c31\u53ef\u4ee5\u907f\u514d\u8fd9\u79cd\u65e0\u7528\u529f\u3002<\/p>\n

        \u6240\u4ee5\uff0cquorum \u7684\u503c\u5efa\u8bae\u8bbe\u7f6e\u4e3a\u54e8\u5175\u4e2a\u6570\u7684\u4e8c\u5206\u4e4b\u4e00\u52a01\uff0c\u4f8b\u5982 3 \u4e2a\u54e8\u5175\u5c31\u8bbe\u7f6e 2\uff0c5 \u4e2a\u54e8\u5175\u8bbe\u7f6e\u4e3a 3\uff0c\u800c\u4e14\u54e8\u5175\u8282\u70b9\u7684\u6570\u91cf\u5e94\u8be5\u662f\u5947\u6570\u3002<\/p>\n

        \u4e3b\u4ece\u6545\u969c\u8f6c\u79fb\u7684\u8fc7\u7a0b\u662f\u600e\u6837\u7684\uff1f<\/h3>\n

        \u5728\u54e8\u5175\u96c6\u7fa4\u4e2d\u901a\u8fc7\u6295\u7968\u7684\u65b9\u5f0f\uff0c\u9009\u4e3e\u51fa\u4e86\u54e8\u5175 leader \u540e\uff0c\u5c31\u53ef\u4ee5\u8fdb\u884c\u4e3b\u4ece\u6545\u969c\u8f6c\u79fb\u7684\u8fc7\u7a0b\u4e86\uff0c\u5982\u4e0b\u56fe\uff1a<\/p>\n<\/p>\n

        <\/p>\n

        \u4e3b\u4ece\u6545\u969c\u8f6c\u79fb\u64cd\u4f5c\u5305\u542b\u4ee5\u4e0b\u56db\u4e2a\u6b65\u9aa4\uff1a<\/p>\n

          \n
        • \u7b2c\u4e00\u6b65\uff1a\u5728\u5df2\u4e0b\u7ebf\u4e3b\u8282\u70b9\uff08\u65e7\u4e3b\u8282\u70b9\uff09\u5c5e\u4e0b\u7684\u6240\u6709\u300c\u4ece\u8282\u70b9\u300d\u91cc\u9762\uff0c\u6311\u9009\u51fa\u4e00\u4e2a\u4ece\u8282\u70b9\uff0c\u5e76\u5c06\u5176\u8f6c\u6362\u4e3a\u4e3b\u8282\u70b9\u3002<\/li>\n
        • \u7b2c\u4e8c\u6b65\uff1a\u8ba9\u5df2\u4e0b\u7ebf\u4e3b\u8282\u70b9\u5c5e\u4e0b\u7684\u6240\u6709\u300c\u4ece\u8282\u70b9\u300d\u4fee\u6539\u590d\u5236\u76ee\u6807\uff0c\u4fee\u6539\u4e3a\u590d\u5236\u300c\u65b0\u4e3b\u8282\u70b9\u300d\uff1b<\/li>\n
        • \u7b2c\u4e09\u6b65\uff1a\u5c06\u65b0\u4e3b\u8282\u70b9\u7684 IP \u5730\u5740\u548c\u4fe1\u606f\uff0c\u901a\u8fc7\u300c\u53d1\u5e03\u8005\/\u8ba2\u9605\u8005\u673a\u5236\u300d\u901a\u77e5\u7ed9\u5ba2\u6237\u7aef\uff1b<\/li>\n
        • \u7b2c\u56db\u6b65\uff1a\u7ee7\u7eed\u76d1\u89c6\u65e7\u4e3b\u8282\u70b9\uff0c\u5f53\u8fd9\u4e2a\u65e7\u4e3b\u8282\u70b9\u91cd\u65b0\u4e0a\u7ebf\u65f6\uff0c\u5c06\u5b83\u8bbe\u7f6e\u4e3a\u65b0\u4e3b\u8282\u70b9\u7684\u4ece\u8282\u70b9\uff1b<\/li>\n<\/ul>\n

          \u6b65\u9aa4\u4e00\uff1a\u9009\u51fa\u65b0\u4e3b\u8282\u70b9<\/h4>\n

          \u6545\u969c\u8f6c\u79fb\u64cd\u4f5c\u7b2c\u4e00\u6b65\u8981\u505a\u7684\u5c31\u662f\u5728\u5df2\u4e0b\u7ebf\u4e3b\u8282\u70b9\u5c5e\u4e0b\u7684\u6240\u6709\u300c\u4ece\u8282\u70b9\u300d\u4e2d\uff0c\u6311\u9009\u51fa\u4e00\u4e2a\u72b6\u6001\u826f\u597d\u3001\u6570\u636e\u5b8c\u6574\u7684\u4ece\u8282\u70b9\uff0c\u7136\u540e\u5411\u8fd9\u4e2a\u300c\u4ece\u8282\u70b9\u300d\u53d1\u9001 SLAVEOF no one \u547d\u4ee4\uff0c\u5c06\u8fd9\u4e2a\u300c\u4ece\u8282\u70b9\u300d\u8f6c\u6362\u4e3a\u300c\u4e3b\u8282\u70b9\u300d\u3002<\/p>\n

          \u90a3\u4e48\u591a\u300c\u4ece\u8282\u70b9\u300d\uff0c\u5230\u5e95\u9009\u62e9\u54ea\u4e2a\u4ece\u8282\u70b9\u4f5c\u4e3a\u65b0\u4e3b\u8282\u70b9\u7684\uff1f<\/p>\n

          \u968f\u673a\u7684\u65b9\u5f0f\u597d\u5417\uff1f\u968f\u673a\u7684\u65b9\u5f0f\uff0c\u5b9e\u73b0\u8d77\u6765\u5f88\u7b80\u5355\uff0c\u4f46\u662f\u5982\u679c\u9009\u5230\u4e00\u4e2a\u7f51\u7edc\u72b6\u6001\u4e0d\u597d\u7684\u4ece\u8282\u70b9\u4f5c\u4e3a\u65b0\u4e3b\u8282\u70b9\uff0c\u90a3\u4e48\u53ef\u80fd\u5728\u5c06\u6765\u4e0d\u4e45\u53c8\u8981\u505a\u4e00\u6b21\u4e3b\u4ece\u6545\u969c\u8fc1\u79fb\u3002<\/p>\n

          \u6240\u4ee5\uff0c\u6211\u4eec\u9996\u5148\u8981\u628a\u7f51\u7edc\u72b6\u6001\u4e0d\u597d\u7684\u4ece\u8282\u70b9\u7ed9\u8fc7\u6ee4\u6389\u3002\u9996\u5148\u628a\u5df2\u7ecf\u4e0b\u7ebf\u7684\u4ece\u8282\u70b9\u8fc7\u6ee4\u6389\uff0c\u7136\u540e\u628a\u4ee5\u5f80\u7f51\u7edc\u8fde\u63a5\u72b6\u6001\u4e0d\u597d\u7684\u4ece\u8282\u70b9\u4e5f\u7ed9\u8fc7\u6ee4\u6389\u3002<\/p>\n

          \u600e\u4e48\u5224\u65ad\u4ece\u8282\u70b9\u4e4b\u524d\u7684\u7f51\u7edc\u8fde\u63a5\u72b6\u6001\u4e0d\u597d\u5462\uff1f<\/p>\n

          Redis \u6709\u4e2a\u53eb down-after-milliseconds * 10 \u914d\u7f6e\u9879\uff0c\u5176down-after-milliseconds \u662f\u4e3b\u4ece\u8282\u70b9\u65ad\u8fde\u7684\u6700\u5927\u8fde\u63a5\u8d85\u65f6\u65f6\u95f4\u3002\u5982\u679c\u5728 down-after-milliseconds \u6beb\u79d2\u5185\uff0c\u4e3b\u4ece\u8282\u70b9\u90fd\u6ca1\u6709\u901a\u8fc7\u7f51\u7edc\u8054\u7cfb\u4e0a\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u8ba4\u4e3a\u4e3b\u4ece\u8282\u70b9\u65ad\u8fde\u4e86\u3002\u5982\u679c\u53d1\u751f\u65ad\u8fde\u7684\u6b21\u6570\u8d85\u8fc7\u4e86 10 \u6b21\uff0c\u5c31\u8bf4\u660e\u8fd9\u4e2a\u4ece\u8282\u70b9\u7684\u7f51\u7edc\u72b6\u51b5\u4e0d\u597d\uff0c\u4e0d\u9002\u5408\u4f5c\u4e3a\u65b0\u4e3b\u8282\u70b9\u3002<\/p>\n

          \u81f3\u6b64\uff0c\u6211\u4eec\u5c31\u628a\u7f51\u7edc\u72b6\u6001\u4e0d\u597d\u7684\u4ece\u8282\u70b9\u8fc7\u6ee4\u6389\u4e86\uff0c\u63a5\u4e0b\u6765\u8981\u5bf9\u6240\u6709\u4ece\u8282\u70b9\u8fdb\u884c\u4e09\u8f6e\u8003\u5bdf\uff1a\u4f18\u5148\u7ea7\u3001\u590d\u5236\u8fdb\u5ea6\u3001ID \u53f7\u3002\u5728\u8fdb\u884c\u6bcf\u4e00\u8f6e\u8003\u5bdf\u7684\u65f6\u5019\uff0c\u54ea\u4e2a\u4ece\u8282\u70b9\u4f18\u5148\u80dc\u51fa\uff0c\u5c31\u9009\u62e9\u5176\u4f5c\u4e3a\u65b0\u4e3b\u8282\u70b9\u3002<\/p>\n

            \n
          • \u7b2c\u4e00\u8f6e\u8003\u5bdf\uff1a\u54e8\u5175\u9996\u5148\u4f1a\u6839\u636e\u4ece\u8282\u70b9\u7684\u4f18\u5148\u7ea7\u6765\u8fdb\u884c\u6392\u5e8f\uff0c\u4f18\u5148\u7ea7\u8d8a\u5c0f\u6392\u540d\u8d8a\u9760\u524d\uff0c<\/li>\n
          • \u7b2c\u4e8c\u8f6e\u8003\u5bdf\uff1a\u5982\u679c\u4f18\u5148\u7ea7\u76f8\u540c\uff0c\u5219\u67e5\u770b\u590d\u5236\u7684\u4e0b\u6807\uff0c\u54ea\u4e2a\u4ece\u300c\u4e3b\u8282\u70b9\u300d\u63a5\u6536\u7684\u590d\u5236\u6570\u636e\u591a\uff0c\u54ea\u4e2a\u5c31\u9760\u524d\u3002<\/li>\n
          • \u7b2c\u4e09\u8f6e\u8003\u5bdf\uff1a\u5982\u679c\u4f18\u5148\u7ea7\u548c\u4e0b\u6807\u90fd\u76f8\u540c\uff0c\u5c31\u9009\u62e9\u4ece\u8282\u70b9 ID \u8f83\u5c0f\u7684\u90a3\u4e2a\u3002<\/li>\n<\/ul>\n

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

            Redis \u6709\u4e2a\u53eb slave-priority \u914d\u7f6e\u9879\uff0c\u53ef\u4ee5\u7ed9\u4ece\u8282\u70b9\u8bbe\u7f6e\u4f18\u5148\u7ea7\u3002<\/p>\n

            \u6bcf\u4e00\u53f0\u4ece\u8282\u70b9\u7684\u670d\u52a1\u5668\u914d\u7f6e\u4e0d\u4e00\u5b9a\u662f\u76f8\u540c\u7684\uff0c\u6211\u4eec\u53ef\u4ee5\u6839\u636e\u670d\u52a1\u5668\u6027\u80fd\u914d\u7f6e\u6765\u8bbe\u7f6e\u4ece\u8282\u70b9\u7684\u4f18\u5148\u7ea7\u3002<\/p>\n

            \u6bd4\u5982\uff0c\u5982\u679c \u300c A \u4ece\u8282\u70b9\u300d\u7684\u7269\u7406\u5185\u5b58\u662f\u6240\u6709\u4ece\u8282\u70b9\u4e2d\u6700\u5927\u7684\uff0c \u90a3\u4e48\u6211\u4eec\u53ef\u4ee5\u628a\u300c A \u4ece\u8282\u70b9\u300d\u7684\u4f18\u5148\u7ea7\u8bbe\u7f6e\u6210\u6700\u9ad8\u3002\u8fd9\u6837\u5f53\u54e8\u5175\u8fdb\u884c\u7b2c\u4e00\u8f6e\u8003\u8651\u7684\u65f6\u5019\uff0c\u4f18\u5148\u7ea7\u6700\u9ad8\u7684 A \u4ece\u8282\u70b9\u5c31\u4f1a\u4f18\u5148\u80dc\u51fa\uff0c\u4e8e\u662f\u5c31\u4f1a\u6210\u4e3a\u65b0\u4e3b\u8282\u70b9\u3002<\/p>\n

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

            \u5982\u679c\u5728\u7b2c\u4e00\u8f6e\u8003\u5bdf\u4e2d\uff0c\u53d1\u73b0\u4f18\u5148\u7ea7\u6700\u9ad8\u7684\u4ece\u8282\u70b9\u6709\u4e24\u4e2a\uff0c\u90a3\u4e48\u5c31\u4f1a\u8fdb\u884c\u7b2c\u4e8c\u8f6e\u8003\u5bdf\uff0c\u6bd4\u8f83\u4e24\u4e2a\u4ece\u8282\u70b9\u54ea\u4e2a\u590d\u5236\u8fdb\u5ea6\u3002<\/p>\n

            \u4ec0\u4e48\u662f\u590d\u5236\u8fdb\u5ea6\uff1f\u4e3b\u4ece\u67b6\u6784\u4e2d\uff0c\u4e3b\u8282\u70b9\u4f1a\u5c06\u5199\u64cd\u4f5c\u540c\u6b65\u7ed9\u4ece\u8282\u70b9\uff0c\u5728\u8fd9\u4e2a\u8fc7\u7a0b\u4e2d\uff0c\u4e3b\u8282\u70b9\u4f1a\u7528 master_repl_offset \u8bb0\u5f55\u5f53\u524d\u7684\u6700\u65b0\u5199\u64cd\u4f5c\u5728 repl_backlog_buffer \u4e2d\u7684\u4f4d\u7f6e\uff08\u5982\u4e0b\u56fe\u4e2d\u7684\u300c\u4e3b\u670d\u52a1\u5668\u5df2\u7ecf\u5199\u5165\u7684\u6570\u636e\u300d\u7684\u4f4d\u7f6e\uff09\uff0c\u800c\u4ece\u8282\u70b9\u4f1a\u7528 slave_repl_offset \u8fd9\u4e2a\u503c\u8bb0\u5f55\u5f53\u524d\u7684\u590d\u5236\u8fdb\u5ea6\uff08\u5982\u4e0b\u56fe\u4e2d\u7684\u300c\u4ece\u670d\u52a1\u5668\u8981\u8bfb\u7684\u4f4d\u7f6e\u300d\u7684\u4f4d\u7f6e\uff09\u3002<\/p>\n<\/p>\n

            <\/p>\n

            \u5982\u679c\u67d0\u4e2a\u4ece\u8282\u70b9\u7684 slave_repl_offset \u6700\u63a5\u8fd1 master_repl_offset\uff0c\u8bf4\u660e\u5b83\u7684\u590d\u5236\u8fdb\u5ea6\u662f\u6700\u9760\u524d\u7684\uff0c\u4e8e\u662f\u5c31\u53ef\u4ee5\u5c06\u5b83\u9009\u4e3a\u65b0\u4e3b\u8282\u70b9\u3002<\/p>\n

            \u7b2c\u4e09\u8f6e\u8003\u5bdf\uff1aID \u53f7\u5c0f\u7684\u4ece\u8282\u70b9\u80dc\u51fa<\/strong><\/p>\n

            \u5982\u679c\u5728\u7b2c\u4e8c\u8f6e\u8003\u5bdf\u4e2d\uff0c\u53d1\u73b0\u6709\u4e24\u4e2a\u4ece\u8282\u70b9\u4f18\u5148\u7ea7\u548c\u590d\u5236\u8fdb\u5ea6\u90fd\u662f\u4e00\u6837\u7684\uff0c\u90a3\u4e48\u5c31\u4f1a\u8fdb\u884c\u7b2c\u4e09\u8f6e\u8003\u5bdf\uff0c\u6bd4\u8f83\u4e24\u4e2a\u4ece\u8282\u70b9\u7684 ID \u53f7\uff0cID \u53f7\u5c0f\u7684\u4ece\u8282\u70b9\u80dc\u51fa\u3002<\/p>\n

            \u4ec0\u4e48\u662f ID \u53f7\uff1f\u6bcf\u4e2a\u4ece\u8282\u70b9\u90fd\u6709\u4e00\u4e2a\u7f16\u53f7\uff0c\u8fd9\u4e2a\u7f16\u53f7\u5c31\u662f ID \u53f7\uff0c\u662f\u7528\u6765\u552f\u4e00\u6807\u8bc6\u4ece\u8282\u70b9\u7684\u3002<\/p>\n

            \u5230\u8fd9\u91cc\uff0c\u9009\u4e3b\u7684\u4e8b\u60c5\u7ec8\u4e8e\u7ed3\u675f\u4e86\u3002\u7b80\u5355\u7ed9\u5927\u5bb6\u603b\u7ed3\u4e0b\uff1a<\/p>\n<\/p>\n

            <\/p>\n

            \u5728\u9009\u4e3e\u51fa\u4ece\u8282\u70b9\u540e\uff0c\u54e8\u5175 leader  \u5411\u88ab\u9009\u4e2d\u7684\u4ece\u8282\u70b9\u53d1\u9001 SLAVEOF no one \u547d\u4ee4\uff0c\u8ba9\u8fd9\u4e2a\u4ece\u8282\u70b9\u89e3\u9664\u4ece\u8282\u70b9\u7684\u8eab\u4efd\uff0c\u5c06\u5176\u53d8\u4e3a\u65b0\u4e3b\u8282\u70b9\u3002<\/p>\n

            \u5982\u4e0b\u56fe\uff0c\u54e8\u5175 leader \u5411\u88ab\u9009\u4e2d\u7684\u4ece\u8282\u70b9 server2 \u53d1\u9001 SLAVEOF no one \u547d\u4ee4\uff0c\u5c06\u8be5\u4ece\u8282\u70b9\u5347\u7ea7\u4e3a\u65b0\u4e3b\u8282\u70b9\u3002<\/p>\n<\/p>\n

            <\/p>\n

            \u5728\u53d1\u9001 SLAVEOF no one \u547d\u4ee4\u4e4b\u540e\uff0c\u54e8\u5175 leader \u4f1a\u4ee5\u6bcf\u79d2\u4e00\u6b21\u7684\u9891\u7387\u5411\u88ab\u5347\u7ea7\u7684\u4ece\u8282\u70b9\u53d1\u9001 INFO \u547d\u4ee4\uff08\u6ca1\u8fdb\u884c\u6545\u969c\u8f6c\u79fb\u4e4b\u524d\uff0cINFO \u547d\u4ee4\u7684\u9891\u7387\u662f\u6bcf\u5341\u79d2\u4e00\u6b21\uff09\uff0c\u5e76\u89c2\u5bdf\u547d\u4ee4\u56de\u590d\u4e2d\u7684\u89d2\u8272\u4fe1\u606f\uff0c\u5f53\u88ab\u5347\u7ea7\u8282\u70b9\u7684\u89d2\u8272\u4fe1\u606f\u4ece\u539f\u6765\u7684 slave \u53d8\u4e3a master \u65f6\uff0c\u54e8\u5175 leader \u5c31\u77e5\u9053\u88ab\u9009\u4e2d\u7684\u4ece\u8282\u70b9\u5df2\u7ecf\u987a\u5229\u5347\u7ea7\u4e3a\u4e3b\u8282\u70b9\u4e86\u3002<\/p>\n

            \u5982\u4e0b\u56fe\uff0c\u9009\u4e2d\u7684\u4ece\u8282\u70b9 server2 \u5347\u7ea7\u6210\u4e86\u65b0\u4e3b\u8282\u70b9\uff1a<\/p>\n<\/p>\n

            <\/p>\n

            \u6b65\u9aa4\u4e8c\uff1a\u5c06\u4ece\u8282\u70b9\u6307\u5411\u65b0\u4e3b\u8282\u70b9<\/h4>\n

            \u5f53\u65b0\u4e3b\u8282\u70b9\u51fa\u73b0\u4e4b\u540e\uff0c\u54e8\u5175 leader  \u4e0b\u4e00\u6b65\u8981\u505a\u7684\u5c31\u662f\uff0c\u8ba9\u5df2\u4e0b\u7ebf\u4e3b\u8282\u70b9\u5c5e\u4e0b\u7684\u6240\u6709\u300c\u4ece\u8282\u70b9\u300d\u6307\u5411\u300c\u65b0\u4e3b\u8282\u70b9\u300d\uff0c\u8fd9\u4e00\u52a8\u4f5c\u53ef\u4ee5\u901a\u8fc7\u5411\u300c\u4ece\u8282\u70b9\u300d\u53d1\u9001 SLAVEOF \u547d\u4ee4\u6765\u5b9e\u73b0\u3002<\/p>\n

            \u5982\u4e0b\u56fe\uff0c\u54e8\u5175 leader \u5411\u6240\u6709\u4ece\u8282\u70b9\uff08server3\u548cserver4\uff09\u53d1\u9001 SLAVEOF \uff0c\u8ba9\u5b83\u4eec\u6210\u4e3a\u65b0\u4e3b\u8282\u70b9\u7684\u4ece\u8282\u70b9\u3002<\/p>\n<\/p>\n

            <\/p>\n

            \u6240\u6709\u4ece\u8282\u70b9\u6307\u5411\u65b0\u4e3b\u8282\u70b9\u540e\u7684\u62d3\u6251\u56fe\u5982\u4e0b\uff1a<\/p>\n<\/p>\n

            <\/p>\n

            \u6b65\u9aa4\u4e09\uff1a\u901a\u77e5\u5ba2\u6237\u7684\u4e3b\u8282\u70b9\u5df2\u66f4\u6362<\/h4>\n

            \u7ecf\u8fc7\u524d\u9762\u4e00\u7cfb\u5217\u7684\u64cd\u4f5c\u540e\uff0c\u54e8\u5175\u96c6\u7fa4\u7ec8\u4e8e\u5b8c\u6210\u4e3b\u4ece\u5207\u6362\u7684\u5de5\u4f5c\uff0c\u90a3\u4e48\u65b0\u4e3b\u8282\u70b9\u7684\u4fe1\u606f\u8981\u5982\u4f55\u901a\u77e5\u7ed9\u5ba2\u6237\u7aef\u5462\uff1f<\/p>\n

            \u8fd9\u4e3b\u8981\u901a\u8fc7 Redis \u7684\u53d1\u5e03\u8005\/\u8ba2\u9605\u8005\u673a\u5236\u6765\u5b9e\u73b0\u7684\u3002\u6bcf\u4e2a\u54e8\u5175\u8282\u70b9\u63d0\u4f9b\u53d1\u5e03\u8005\/\u8ba2\u9605\u8005\u673a\u5236\uff0c\u5ba2\u6237\u7aef\u53ef\u4ee5\u4ece\u54e8\u5175\u8ba2\u9605\u6d88\u606f\u3002<\/p>\n

            \u54e8\u5175\u63d0\u4f9b\u7684\u6d88\u606f\u8ba2\u9605\u9891\u9053\u6709\u5f88\u591a\uff0c\u4e0d\u540c\u9891\u9053\u5305\u542b\u4e86\u4e3b\u4ece\u8282\u70b9\u5207\u6362\u8fc7\u7a0b\u4e2d\u7684\u4e0d\u540c\u5173\u952e\u4e8b\u4ef6\uff0c\u51e0\u4e2a\u5e38\u89c1\u7684\u4e8b\u4ef6\u5982\u4e0b\uff1a<\/p>\n<\/p>\n

            <\/p>\n

            \u5ba2\u6237\u7aef\u548c\u54e8\u5175\u5efa\u7acb\u8fde\u63a5\u540e\uff0c\u5ba2\u6237\u7aef\u4f1a\u8ba2\u9605\u54e8\u5175\u63d0\u4f9b\u7684\u9891\u9053\u3002\u4e3b\u4ece\u5207\u6362\u5b8c\u6210\u540e\uff0c\u54e8\u5175\u5c31\u4f1a\u5411  +switch-master  \u9891\u9053\u53d1\u5e03\u65b0\u4e3b\u8282\u70b9\u7684 IP \u5730\u5740\u548c\u7aef\u53e3\u7684\u6d88\u606f\uff0c\u8fd9\u4e2a\u65f6\u5019\u5ba2\u6237\u7aef\u5c31\u53ef\u4ee5\u6536\u5230\u8fd9\u6761\u4fe1\u606f\uff0c\u7136\u540e\u7528\u8fd9\u91cc\u9762\u7684\u65b0\u4e3b\u8282\u70b9\u7684 IP \u5730\u5740\u548c\u7aef\u53e3\u8fdb\u884c\u901a\u4fe1\u4e86\u3002<\/p>\n

            \u901a\u8fc7\u53d1\u5e03\u8005\/\u8ba2\u9605\u8005\u673a\u5236\u673a\u5236\uff0c\u6709\u4e86\u8fd9\u4e9b\u4e8b\u4ef6\u901a\u77e5\uff0c\u5ba2\u6237\u7aef\u4e0d\u4ec5\u53ef\u4ee5\u5728\u4e3b\u4ece\u5207\u6362\u540e\u5f97\u5230\u65b0\u4e3b\u8282\u70b9\u7684\u8fde\u63a5\u4fe1\u606f\uff0c\u8fd8\u53ef\u4ee5\u76d1\u63a7\u5230\u4e3b\u4ece\u8282\u70b9\u5207\u6362\u8fc7\u7a0b\u4e2d\u53d1\u751f\u7684\u5404\u4e2a\u91cd\u8981\u4e8b\u4ef6\u3002\u8fd9\u6837\uff0c\u5ba2\u6237\u7aef\u5c31\u53ef\u4ee5\u77e5\u9053\u4e3b\u4ece\u5207\u6362\u8fdb\u884c\u5230\u54ea\u4e00\u6b65\u4e86\uff0c\u6709\u52a9\u4e8e\u4e86\u89e3\u5207\u6362\u8fdb\u5ea6\u3002<\/p>\n

            \u6b65\u9aa4\u56db\uff1a\u5c06\u65e7\u4e3b\u8282\u70b9\u53d8\u4e3a\u4ece\u8282\u70b9<\/h4>\n

            \u6545\u969c\u8f6c\u79fb\u64cd\u4f5c\u6700\u540e\u8981\u505a\u7684\u662f\uff0c\u7ee7\u7eed\u76d1\u89c6\u65e7\u4e3b\u8282\u70b9\uff0c\u5f53\u65e7\u4e3b\u8282\u70b9\u91cd\u65b0\u4e0a\u7ebf\u65f6\uff0c\u54e8\u5175\u96c6\u7fa4\u5c31\u4f1a\u5411\u5b83\u53d1\u9001 SLAVEOF \u547d\u4ee4\uff0c\u8ba9\u5b83\u6210\u4e3a\u65b0\u4e3b\u8282\u70b9\u7684\u4ece\u8282\u70b9\uff0c\u5982\u4e0b\u56fe\uff1a<\/p>\n<\/p>\n

            <\/p>\n

            \u81f3\u6b64\uff0c\u6574\u4e2a\u4e3b\u4ece\u8282\u70b9\u7684\u6545\u969c\u8f6c\u79fb\u7684\u5de5\u4f5c\u7ed3\u675f\u3002<\/p>\n

            \u54e8\u5175\u96c6\u7fa4\u662f\u5982\u4f55\u7ec4\u6210\u7684\uff1f<\/h3>\n

            \u524d\u9762\u63d0\u5230\u4e86  Redis \u7684\u53d1\u5e03\u8005\/\u8ba2\u9605\u8005\u673a\u5236\uff0c\u90a3\u5c31\u4e0d\u5f97\u4e0d\u63d0\u4e00\u4e0b\u54e8\u5175\u96c6\u7fa4\u7684\u7ec4\u6210\u65b9\u5f0f\uff0c\u56e0\u4e3a\u5b83\u4e5f\u7528\u5230\u4e86\u8fd9\u4e2a\u6280\u672f\u3002<\/p>\n

            \u5728\u6211\u7b2c\u4e00\u6b21\u642d\u5efa\u54e8\u5175\u96c6\u7fa4\u7684\u65f6\u5019\uff0c\u5f53\u65f6\u89c9\u5f97\u5f88\u8be7\u5f02\u3002\u56e0\u4e3a\u5728\u914d\u7f6e\u54e8\u5175\u7684\u4fe1\u606f\u65f6\uff0c\u7adf\u7136\u53ea\u9700\u8981\u586b\u4e0b\u9762\u8fd9\u51e0\u4e2a\u53c2\u6570\uff0c\u8bbe\u7f6e\u4e3b\u8282\u70b9\u540d\u5b57\u3001\u4e3b\u8282\u70b9\u7684 IP \u5730\u5740\u548c\u7aef\u53e3\u53f7\u4ee5\u53ca quorum \u503c\u3002<\/p>\n

            sentinel monitor master–<\/span>name><\/span> ip><\/span> redis–<\/span>port><\/span> quorum><\/span><\/span><\/span><\/span><\/span><\/p>\n

            \u4e0d\u9700\u8981\u586b\u5176\u4ed6\u54e8\u5175\u8282\u70b9\u7684\u4fe1\u606f\uff0c\u6211\u5c31\u597d\u5947\u5b83\u4eec\u662f\u5982\u4f55\u611f\u77e5\u5bf9\u65b9\u7684\uff0c\u53c8\u662f\u5982\u4f55\u7ec4\u6210\u54e8\u5175\u96c6\u7fa4\u7684\uff1f<\/p>\n

            \u540e\u9762\u624d\u4e86\u89e3\u5230\uff0c\u54e8\u5175\u8282\u70b9\u4e4b\u95f4\u662f\u901a\u8fc7 Redis \u7684\u53d1\u5e03\u8005\/\u8ba2\u9605\u8005\u673a\u5236\u6765\u76f8\u4e92\u53d1\u73b0\u7684\u3002<\/p>\n

            \u5728\u4e3b\u4ece\u96c6\u7fa4\u4e2d\uff0c\u4e3b\u8282\u70b9\u4e0a\u6709\u4e00\u4e2a\u540d\u4e3a__sentinel__:hello\u7684\u9891\u9053\uff0c\u4e0d\u540c\u54e8\u5175\u5c31\u662f\u901a\u8fc7\u5b83\u6765\u76f8\u4e92\u53d1\u73b0\uff0c\u5b9e\u73b0\u4e92\u76f8\u901a\u4fe1\u7684\u3002<\/p>\n

            \u5728\u4e0b\u56fe\u4e2d\uff0c\u54e8\u5175 A \u628a\u81ea\u5df1\u7684 IP \u5730\u5740\u548c\u7aef\u53e3\u7684\u4fe1\u606f\u53d1\u5e03\u5230__sentinel__:hello \u9891\u9053\u4e0a\uff0c\u54e8\u5175 B \u548c C \u8ba2\u9605\u4e86\u8be5\u9891\u9053\u3002\u90a3\u4e48\u6b64\u65f6\uff0c\u54e8\u5175 B \u548c C \u5c31\u53ef\u4ee5\u4ece\u8fd9\u4e2a\u9891\u9053\u76f4\u63a5\u83b7\u53d6\u54e8\u5175 A \u7684 IP \u5730\u5740\u548c\u7aef\u53e3\u53f7\u3002\u7136\u540e\uff0c\u54e8\u5175 B\u3001C \u53ef\u4ee5\u548c\u54e8\u5175 A \u5efa\u7acb\u7f51\u7edc\u8fde\u63a5\u3002<\/p>\n<\/p>\n

            <\/p>\n

            \u901a\u8fc7\u8fd9\u4e2a\u65b9\u5f0f\uff0c\u54e8\u5175 B \u548c C \u4e5f\u53ef\u4ee5\u5efa\u7acb\u7f51\u7edc\u8fde\u63a5\uff0c\u8fd9\u6837\u4e00\u6765\uff0c\u54e8\u5175\u96c6\u7fa4\u5c31\u5f62\u6210\u4e86\u3002<\/p>\n

            \u54e8\u5175\u96c6\u7fa4\u4f1a\u5bf9\u300c\u4ece\u8282\u70b9\u300d\u7684\u8fd0\u884c\u72b6\u6001\u8fdb\u884c\u76d1\u63a7\uff0c\u90a3\u54e8\u5175\u96c6\u7fa4\u5982\u4f55\u77e5\u9053\u300c\u4ece\u8282\u70b9\u300d\u7684\u4fe1\u606f\uff1f<\/p>\n

            \u4e3b\u8282\u70b9\u77e5\u9053\u6240\u6709\u300c\u4ece\u8282\u70b9\u300d\u7684\u4fe1\u606f\uff0c\u6240\u4ee5\u54e8\u5175\u4f1a\u6bcf 10 \u79d2\u4e00\u6b21\u7684\u9891\u7387\u5411\u4e3b\u8282\u70b9\u53d1\u9001 INFO \u547d\u4ee4\u6765\u83b7\u53d6\u6240\u6709\u300c\u4ece\u8282\u70b9\u300d\u7684\u4fe1\u606f\u3002<\/p>\n

            \u5982\u4e0b\u56fe\u6240\u793a\uff0c\u54e8\u5175 B \u7ed9\u4e3b\u8282\u70b9\u53d1\u9001 INFO \u547d\u4ee4\uff0c\u4e3b\u8282\u70b9\u63a5\u53d7\u5230\u8fd9\u4e2a\u547d\u4ee4\u540e\uff0c\u5c31\u4f1a\u628a\u4ece\u8282\u70b9\u5217\u8868\u8fd4\u56de\u7ed9\u54e8\u5175\u3002\u63a5\u7740\uff0c\u54e8\u5175\u5c31\u53ef\u4ee5\u6839\u636e\u4ece\u8282\u70b9\u5217\u8868\u4e2d\u7684\u8fde\u63a5\u4fe1\u606f\uff0c\u548c\u6bcf\u4e2a\u4ece\u8282\u70b9\u5efa\u7acb\u8fde\u63a5\uff0c\u5e76\u5728\u8fd9\u4e2a\u8fde\u63a5\u4e0a\u6301\u7eed\u5730\u5bf9\u4ece\u8282\u70b9\u8fdb\u884c\u76d1\u63a7\u3002\u54e8\u5175 A \u548c C \u53ef\u4ee5\u901a\u8fc7\u76f8\u540c\u7684\u65b9\u6cd5\u548c\u4ece\u8282\u70b9\u5efa\u7acb\u8fde\u63a5\u3002<\/p>\n<\/p>\n

            <\/p>\n

            \u6b63\u5f0f\u901a\u8fc7  Redis \u7684\u53d1\u5e03\u8005\/\u8ba2\u9605\u8005\u673a\u5236\uff0c\u54e8\u5175\u4e4b\u95f4\u53ef\u4ee5\u76f8\u4e92\u611f\u77e5\uff0c\u7136\u540e\u7ec4\u6210\u96c6\u7fa4\uff0c\u540c\u65f6\uff0c\u54e8\u5175\u53c8\u901a\u8fc7 INFO \u547d\u4ee4\uff0c\u5728\u4e3b\u8282\u70b9\u91cc\u83b7\u5f97\u4e86\u6240\u6709\u4ece\u8282\u70b9\u8fde\u63a5\u4fe1\u606f\uff0c\u4e8e\u662f\u5c31\u80fd\u548c\u4ece\u8282\u70b9\u5efa\u7acb\u8fde\u63a5\uff0c\u5e76\u8fdb\u884c\u76d1\u63a7\u4e86\u3002<\/p>\n

            \u53c2\u8003\u8d44\u6599\uff1a<\/h4>\n

            \u300aRedis \u6838\u5fc3\u6280\u672f\u4e0e\u5b9e\u6218\u300b<\/p>\n

            \u300aRedis \u8bbe\u8ba1\u4e0e\u5b9e\u73b0\u300b<\/p>\n

            \u603b\u7ed3<\/h3>\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\u3002\u5b83\u4f1a\u76d1\u6d4b\u4e3b\u8282\u70b9\u662f\u5426\u5b58\u6d3b\uff0c\u5982\u679c\u53d1\u73b0\u4e3b\u8282\u70b9\u6302\u4e86\uff0c\u5b83\u5c31\u4f1a\u9009\u4e3e\u4e00\u4e2a\u4ece\u8282\u70b9\u5207\u6362\u4e3a\u4e3b\u8282\u70b9\uff0c\u5e76\u4e14\u628a\u65b0\u4e3b\u8282\u70b9\u7684\u76f8\u5173\u4fe1\u606f\u901a\u77e5\u7ed9\u4ece\u8282\u70b9\u548c\u5ba2\u6237\u7aef\u3002<\/p>\n

            \u54e8\u5175\u4e00\u822c\u662f\u4ee5\u96c6\u7fa4\u7684\u65b9\u5f0f\u90e8\u7f72\uff0c\u81f3\u5c11\u9700\u8981 3 \u4e2a\u54e8\u5175\u8282\u70b9\uff0c\u54e8\u5175\u96c6\u7fa4\u4e3b\u8981\u8d1f\u8d23\u4e09\u4ef6\u4e8b\u60c5\uff1a\u76d1\u63a7\u3001\u9009\u4e3b\u3001\u901a\u77e5\u3002<\/p>\n

            \u54e8\u5175\u8282\u70b9\u901a\u8fc7 Redis \u7684\u53d1\u5e03\u8005\/\u8ba2\u9605\u8005\u673a\u5236\uff0c\u54e8\u5175\u4e4b\u95f4\u53ef\u4ee5\u76f8\u4e92\u611f\u77e5\uff0c\u76f8\u4e92\u8fde\u63a5\uff0c\u7136\u540e\u7ec4\u6210\u54e8\u5175\u96c6\u7fa4\uff0c\u540c\u65f6\u54e8\u5175\u53c8\u901a\u8fc7 INFO \u547d\u4ee4\uff0c\u5728\u4e3b\u8282\u70b9\u91cc\u83b7\u5f97\u4e86\u6240\u6709\u4ece\u8282\u70b9\u8fde\u63a5\u4fe1\u606f\uff0c\u4e8e\u662f\u5c31\u80fd\u548c\u4ece\u8282\u70b9\u5efa\u7acb\u8fde\u63a5\uff0c\u5e76\u8fdb\u884c\u76d1\u63a7\u4e86\u3002<\/p>\n

            1.\u7b2c\u4e00\u8f6e\u6295\u7968\uff1a\u5224\u65ad\u4e3b\u8282\u70b9\u4e0b\u7ebf<\/h4>\n

            \u5f53\u54e8\u5175\u96c6\u7fa4\u4e2d\u7684\u67d0\u4e2a\u54e8\u5175\u5224\u5b9a\u4e3b\u8282\u70b9\u4e0b\u7ebf\uff08\u4e3b\u89c2\u4e0b\u7ebf\uff09\u540e\uff0c\u5c31\u4f1a\u5411\u5176\u4ed6\u54e8\u5175\u53d1\u8d77\u547d\u4ee4\uff0c\u5176\u4ed6\u54e8\u5175\u6536\u5230\u8fd9\u4e2a\u547d\u4ee4\u540e\uff0c\u5c31\u4f1a\u6839\u636e\u81ea\u8eab\u548c\u4e3b\u8282\u70b9\u7684\u7f51\u7edc\u72b6\u51b5\uff0c\u505a\u51fa\u8d5e\u6210\u6295\u7968\u6216\u8005\u62d2\u7edd\u6295\u7968\u7684\u54cd\u5e94\u3002<\/p>\n

            \u5f53\u8fd9\u4e2a\u54e8\u5175\u7684\u8d5e\u540c\u7968\u6570\u8fbe\u5230\u54e8\u5175\u914d\u7f6e\u6587\u4ef6\u4e2d\u7684 quorum \u914d\u7f6e\u9879\u8bbe\u5b9a\u7684\u503c\u540e\uff0c\u8fd9\u65f6\u4e3b\u8282\u70b9\u5c31\u4f1a\u88ab\u8be5\u54e8\u5175\u6807\u8bb0\u4e3a\u300c\u5ba2\u89c2\u4e0b\u7ebf\u300d\u3002<\/p>\n

            2.\u7b2c\u4e8c\u8f6e\u6295\u7968\uff1a\u9009\u51fa\u54e8\u5175leader<\/h4>\n

            \u67d0\u4e2a\u54e8\u5175\u5224\u5b9a\u4e3b\u8282\u70b9\u5ba2\u89c2\u4e0b\u7ebf\u540e\uff0c\u8be5\u54e8\u5175\u5c31\u4f1a\u53d1\u8d77\u6295\u7968\uff0c\u544a\u8bc9\u5176\u4ed6\u54e8\u5175\uff0c\u5b83\u60f3\u6210\u4e3a leader\uff0c\u60f3\u6210\u4e3a leader \u7684\u54e8\u5175\u8282\u70b9\uff0c\u8981\u6ee1\u8db3\u4e24\u4e2a\u6761\u4ef6\uff1a<\/p>\n

            \u7b2c\u4e00\uff0c\u62ff\u5230\u534a\u6570\u4ee5\u4e0a\u7684\u8d5e\u6210\u7968\uff1b<\/p>\n

            \u7b2c\u4e8c\uff0c\u62ff\u5230\u7684\u7968\u6570\u540c\u65f6\u8fd8\u9700\u8981\u5927\u4e8e\u7b49\u4e8e\u54e8\u5175\u914d\u7f6e\u6587\u4ef6\u4e2d\u7684 quorum \u503c\u3002<\/p>\n

            3.\u7531\u54e8\u5175 leader \u8fdb\u884c\u4e3b\u4ece\u6545\u969c\u8f6c\u79fb<\/h4>\n

            \u9009\u4e3e\u51fa\u4e86\u54e8\u5175 leader \u540e\uff0c\u5c31\u53ef\u4ee5\u8fdb\u884c\u4e3b\u4ece\u6545\u969c\u8f6c\u79fb\u7684\u8fc7\u7a0b\u4e86\u3002\u8be5\u64cd\u4f5c\u5305\u542b\u4ee5\u4e0b\u56db\u4e2a\u6b65\u9aa4\uff1a<\/p>\n

            \u7b2c\u4e00\u6b65\uff1a\u5728\u5df2\u4e0b\u7ebf\u4e3b\u8282\u70b9\uff08\u65e7\u4e3b\u8282\u70b9\uff09\u5c5e\u4e0b\u7684\u6240\u6709\u300c\u4ece\u8282\u70b9\u300d\u91cc\u9762\uff0c\u6311\u9009\u51fa\u4e00\u4e2a\u4ece\u8282\u70b9\uff0c\u5e76\u5c06\u5176\u8f6c\u6362\u4e3a\u4e3b\u8282\u70b9\uff0c\u9009\u62e9\u7684\u89c4\u5219\uff1a<\/p>\n

            \u8fc7\u6ee4\u6389\u5df2\u7ecf\u79bb\u7ebf\u7684\u4ece\u8282\u70b9\uff1b<\/p>\n

            \u8fc7\u6ee4\u6389\u5386\u53f2\u7f51\u7edc\u8fde\u63a5\u72b6\u6001\u4e0d\u597d\u7684\u4ece\u8282\u70b9\uff1b<\/p>\n

            \u5c06\u5269\u4e0b\u7684\u4ece\u8282\u70b9\uff0c\u8fdb\u884c\u4e09\u8f6e\u8003\u5bdf\uff1a\u4f18\u5148\u7ea7\u3001\u590d\u5236\u8fdb\u5ea6\u3001ID \u53f7\u3002\u5728\u6bcf\u4e00\u8f6e\u8003\u5bdf\u8fc7\u7a0b\u4e2d\uff0c\u5982\u679c\u627e\u5230\u4e86\u4e00\u4e2a\u80dc\u51fa\u7684\u4ece\u8282\u70b9\uff0c\u5c31\u5c06\u5176\u4f5c\u4e3a\u65b0\u4e3b\u8282\u70b9\u3002<\/p>\n

            \u7b2c\u4e8c\u6b65\uff1a\u8ba9\u5df2\u4e0b\u7ebf\u4e3b\u8282\u70b9\u5c5e\u4e0b\u7684\u6240\u6709\u300c\u4ece\u8282\u70b9\u300d\u4fee\u6539\u590d\u5236\u76ee\u6807\uff0c\u4fee\u6539\u4e3a\u590d\u5236\u300c\u65b0\u4e3b\u8282\u70b9\u300d\uff1b<\/p>\n

            \u7b2c\u4e09\u6b65\uff1a\u5c06\u65b0\u4e3b\u8282\u70b9\u7684 IP \u5730\u5740\u548c\u4fe1\u606f\uff0c\u901a\u8fc7\u300c\u53d1\u5e03\u8005\/\u8ba2\u9605\u8005\u673a\u5236\u300d\u901a\u77e5\u7ed9\u5ba2\u6237\u7aef\uff1b<\/p>\n

            \u7b2c\u56db\u6b65\uff1a\u7ee7\u7eed\u76d1\u89c6\u65e7\u4e3b\u8282\u70b9\uff0c\u5f53\u8fd9\u4e2a\u65e7\u4e3b\u8282\u70b9\u91cd\u65b0\u4e0a\u7ebf\u65f6\uff0c\u5c06\u5b83\u8bbe\u7f6e\u4e3a\u65b0\u4e3b\u8282\u70b9\u7684\u4ece\u8282\u70b9\uff1b<\/p>\n","protected":false},"excerpt":{"rendered":"

            \u9762\u8bd5\u5b98\uff1a\u4e3a\u4ec0\u4e48 Redis \u8981\u6709...<\/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-201370","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201370","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=201370"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201370\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=201370"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=201370"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=201370"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}