{"id":201848,"date":"2025-05-10T08:52:38","date_gmt":"2025-05-10T00:52:38","guid":{"rendered":"https:\/\/server.hk\/cnblog\/201848\/"},"modified":"2025-05-10T08:52:38","modified_gmt":"2025-05-10T00:52:38","slug":"redis%e5%ae%9e%e7%8e%b0%e5%88%86%e5%b8%83%e5%bc%8f%e4%ba%8b%e5%8a%a1%e7%9a%84cap%e7%90%86%e8%ae%ba%e5%8f%8a%e5%9c%a8%e5%ae%9e%e8%b7%b5%e4%b8%ad%e7%9a%84%e5%ba%94%e7%94%a8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/201848\/","title":{"rendered":"Redis\u5b9e\u73b0\u5206\u5e03\u5f0f\u4e8b\u52a1\u7684CAP\u7406\u8bba\u53ca\u5728\u5b9e\u8df5\u4e2d\u7684\u5e94\u7528"},"content":{"rendered":"

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

Redis\u5b9e\u73b0\u5206\u5e03\u5f0f\u4e8b\u52a1\u7684CAP\u7406\u8bba\u53ca\u5728\u5b9e\u8df5\u4e2d\u7684\u5e94\u7528<\/h1>\n

\u73cd\u60dc\u65f6\u95f4\uff0c\u52e4\u594b\u5b66\u4e60\uff01\u4eca\u5929\u7ed9\u5927\u5bb6\u5e26\u6765\u300aRedis\u5b9e\u73b0\u5206\u5e03\u5f0f\u4e8b\u52a1\u7684CAP\u7406\u8bba\u53ca\u5728\u5b9e\u8df5\u4e2d\u7684\u5e94\u7528\u300b<\/span>\uff0c\u6b63\u6587\u5185\u5bb9\u4e3b\u8981\u6d89\u53ca\u5230<\/span>\u7b49\u7b49\uff0c\u5982\u679c\u4f60\u6b63\u5728\u5b66\u4e60\u6570\u636e\u5e93<\/span>\uff0c\u6216\u8005\u662f\u5bf9\u6570\u636e\u5e93<\/span>\u6709\u7591\u95ee\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u6211\uff01\u540e\u9762\u6211\u4f1a\u6301\u7eed\u66f4\u65b0\u76f8\u5173\u5185\u5bb9\u7684\uff0c\u5e0c\u671b\u90fd\u80fd\u5e2e\u5230\u6b63\u5728\u5b66\u4e60\u7684\u5927\u5bb6\uff01<\/p>\n

Redis\u5b9e\u73b0\u5206\u5e03\u5f0f\u4e8b\u52a1\u7684CAP\u7406\u8bba\u53ca\u5728\u5b9e\u8df5\u4e2d\u7684\u5e94\u7528<\/p>\n

\u5728\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\uff0cCAP\u7406\u8bba\u662f\u4e00\u4e2a\u7ecf\u5178\u7684\u95ee\u9898\uff0c\u6307\u7684\u662fConsistency\uff08\u4e00\u81f4\u6027\uff09\u3001Availability\uff08\u53ef\u7528\u6027\uff09\u548cPartition tolerance\uff08\u5206\u533a\u5bb9\u9519\u6027\uff09\u4e09\u4e2a\u6982\u5ff5\u3002\u8fd9\u4e09\u4e2a\u6982\u5ff5\u4e0d\u53ef\u540c\u65f6\u6ee1\u8db3\uff0c\u53ea\u80fd\u6ee1\u8db3\u5176\u4e2d\u7684\u4e24\u4e2a\uff0c\u8fd9\u6210\u4e3aCAP\u7406\u8bba\u7684\u4e09\u9009\u4e24\u95ee\u9898\u3002<\/p>\n

\u5728\u5206\u5e03\u5f0f\u4e8b\u52a1\u4e2d\uff0cCAP\u7406\u8bba\u540c\u6837\u4f1a\u5bf9\u5176\u4ea7\u751f\u5f71\u54cd\u3002\u6839\u636eCAP\u7406\u8bba\uff0c\u5206\u5e03\u5f0f\u7cfb\u7edf\u53ea\u80fd\u6ee1\u8db3\u5176\u4e2d\u7684\u4e24\u4e2a\u7279\u6027\u3002\u5982\u679c\u8981\u5728\u5206\u5e03\u5f0f\u4e8b\u52a1\u4e2d\u4fdd\u8bc1\u4e00\u81f4\u6027\u548c\u53ef\u7528\u6027\uff0c\u5219\u5fc5\u987b\u727a\u7272\u5206\u533a\u5bb9\u9519\u6027\u3002\u56e0\u6b64\uff0c\u5728\u5b9e\u8df5\u4e2d\uff0c\u5f88\u591a\u5206\u5e03\u5f0f\u7cfb\u7edf\u90fd\u662f\u4e3a\u4e86\u4fdd\u8bc1\u4e00\u81f4\u6027\u800c\u727a\u7272\u4e86\u53ef\u7528\u6027\u6216\u8005\u5206\u533a\u5bb9\u9519\u6027\u3002<\/p>\n

Redis\u662f\u4e00\u79cd\u6d41\u884c\u7684\u5185\u5b58\u6570\u636e\u5e93\uff0c\u5b83\u63d0\u4f9b\u4e86\u652f\u6301\u4e8b\u52a1\u7684\u529f\u80fd\u3002Redis\u4e8b\u52a1\u7684\u672c\u8d28\u662f\u539f\u5b50\u6027\u64cd\u4f5c\u7684\u96c6\u5408\uff0c\u56e0\u6b64\u53ef\u4ee5\u5728\u4fdd\u8bc1\u4e00\u81f4\u6027\u7684\u524d\u63d0\u4e0b\u63d0\u9ad8\u53ef\u7528\u6027\u3002\u4e0b\u9762\u6211\u4eec\u5c06\u4ecb\u7ecdRedis\u5982\u4f55\u901a\u8fc7\u4e8b\u52a1\u6765\u5b9e\u73b0\u5206\u5e03\u5f0f\u4e8b\u52a1\uff0c\u5e76\u5206\u6790Redis\u5728\u5b9e\u8df5\u4e2d\u7684\u5e94\u7528\u3002<\/p>\n

    \n
  1. Redis\u4e8b\u52a1\u7b80\u4ecb<\/li>\n<\/ol>\n

    Redis\u4e8b\u52a1\u662f\u4e00\u4e2a\u539f\u5b50\u6027\u64cd\u4f5c\u7684\u96c6\u5408\u3002\u5b83\u5141\u8bb8\u6211\u4eec\u5c06\u4e00\u7cfb\u5217\u7684\u547d\u4ee4\u6253\u5305\u6210\u4e00\u4e2a\u5355\u4e00\u7684\u4e8b\u4ef6\uff0c\u7136\u540e\u4e00\u6b21\u6027\u5730\u5728Redis\u670d\u52a1\u5668\u4e0a\u6267\u884c\u3002Redis\u7684\u4e8b\u52a1\u662f\u57fa\u4e8eMulti\/Exec\u547d\u4ee4\u5b9e\u73b0\u7684\uff0c\u8fd9\u4e9b\u547d\u4ee4\u5141\u8bb8\u6211\u4eec\u5c06\u591a\u4e2a\u547d\u4ee4\u653e\u5230\u4e00\u4e2a\u961f\u5217\u4e2d\uff0c\u7136\u540e\u4ee5\u539f\u5b50\u65b9\u5f0f\u5c06\u5b83\u4eec\u63d0\u4ea4\u5230Redis\u670d\u52a1\u5668\u3002<\/p>\n

    Redis\u652f\u6301\u4e09\u4e2a\u547d\u4ee4\u6765\u64cd\u4f5c\u4e8b\u52a1\uff1a<\/p>\n

      \n
    • MULTI\uff1a\u6807\u5fd7\u4e8b\u52a1\u7684\u5f00\u59cb\u3002<\/li>\n
    • EXEC\uff1a\u63d0\u4ea4\u4e8b\u52a1\u7684\u6240\u6709\u547d\u4ee4\u540c\u65f6\u6267\u884c\u3002<\/li>\n
    • WATCH\uff1a\u76d1\u89c6\u4e00\u4e2a\u6216\u591a\u4e2a\u952e\uff0c\u5728\u8fd9\u4e9b\u952e\u6ca1\u6709\u88ab\u5176\u4ed6\u5ba2\u6237\u7aef\u4fee\u6539\u65f6\uff0c\u4e8b\u52a1\u624d\u53ef\u4ee5\u88ab\u6267\u884c\u3002<\/li>\n<\/ul>\n

      \u5728Redis\u4e8b\u52a1\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u547d\u4ee4\u7684\u8bf7\u6c42\u3001\u56de\u590d\u6a21\u5f0f\u6765\u6784\u5efa\u4e8b\u52a1\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u662f\u4e00\u7cfb\u5217Redis\u547d\u4ee4\u7684\u8bf7\u6c42\u3001\u56de\u590d\u6a21\u5f0f\uff1a<\/p>\n

      \u8bf7\u6c42\uff1aMULTI<\/p>\n

      \u8bf7\u6c42\uff1aINCR a<\/p>\n

      \u8bf7\u6c42\uff1aDECR b<\/p>\n

      \u8bf7\u6c42\uff1aEXEC<\/p>\n

      \u56de\u590d\uff1aOK<\/p>\n

      \u56de\u590d\uff1a1<\/p>\n

      \u56de\u590d\uff1a-1<\/p>\n

      \u56e0\u6b64\uff0c\u901a\u8fc7Redis\u4e8b\u52a1\uff0c\u6211\u4eec\u53ef\u4ee5\u5c06\u8bf7\u6c42\u548c\u56de\u590d\u5206\u7ec4\u5e76\u53d1\u9001\u5230Redis\u670d\u52a1\u5668\u3002\u5f53\u6240\u6709\u7684\u547d\u4ee4\u90fd\u88ab\u6267\u884c\u540e\uff0cRedis\u670d\u52a1\u5668\u5c06\u8fd4\u56de\u56de\u590d\u548c\u72b6\u6001\u3002<\/p>\n

        \n
      1. Redis\u4e8b\u52a1\u4e0eCAP\u7406\u8bba<\/li>\n<\/ol>\n

        \u6309\u7167CAP\u7406\u8bba\uff0c\u4e00\u4e2a\u5206\u5e03\u5f0f\u7cfb\u7edf\u5fc5\u987b\u727a\u7272\u5176\u4e2d\u7684\u4e00\u9879\u7279\u6027\u3002\u4f46\u662f\uff0c\u5728\u5b9e\u8df5\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u63d0\u9ad8\u7cfb\u7edf\u7684\u53ef\u7528\u6027\u6765\u4fdd\u8bc1\u5206\u533a\u5bb9\u9519\u6027\u548c\u4e00\u81f4\u6027\u3002\u4e8b\u5b9e\u4e0a\uff0c\u5982\u679c\u6211\u4eec\u4f7f\u7528\u4e00\u81f4\u6027\u54c8\u5e0c\u7b97\u6cd5\u5c06\u6570\u636e\u5206\u5e03\u5230\u591a\u4e2aRedis\u8282\u70b9\u4e0a\uff0c\u90a3\u4e48\u6211\u4eec\u5c31\u53ef\u4ee5\u66f4\u597d\u5730\u6ee1\u8db3\u8fd9\u4e09\u4e2a\u7279\u6027\u3002<\/p>\n

        \u5728Redis\u4e8b\u52a1\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u5c06\u4e8b\u52a1\u7684\u6240\u6709\u547d\u4ee4\u90fd\u63d0\u4ea4\u5230\u4e00\u4e2aRedis\u8282\u70b9\u4e0a\u3002\u56e0\u6b64\uff0c\u5982\u679c\u8fd9\u4e2aRedis\u8282\u70b9\u65e0\u6cd5\u63d0\u4f9b\u670d\u52a1\uff0c\u90a3\u4e48\u6574\u4e2a\u4e8b\u52a1\u5c31\u65e0\u6cd5\u88ab\u6267\u884c\u3002\u4f46\u662f\uff0c\u5982\u679c\u6211\u4eec\u4f7f\u7528\u4e00\u81f4\u6027\u54c8\u5e0c\u7b97\u6cd5\u5c06\u6570\u636e\u5206\u5e03\u5230\u591a\u4e2aRedis\u8282\u70b9\u4e0a\uff0c\u5e76\u4e14\u5c06\u4e8b\u52a1\u547d\u4ee4\u5206\u914d\u7ed9\u591a\u4e2a\u8282\u70b9\u6267\u884c\uff0c\u90a3\u4e48\u6211\u4eec\u53ef\u4ee5\u66f4\u597d\u5730\u4fdd\u8bc1\u53ef\u7528\u6027\u3002<\/p>\n

        \u5f53\u4e00\u4e2a\u547d\u4ee4\u88ab\u63d0\u4ea4\u5230\u4e00\u4e2aRedis\u8282\u70b9\u65f6\uff0c\u8fd9\u4e2a\u8282\u70b9\u4f1a\u5c06\u6240\u6709\u7684\u547d\u4ee4\u90fd\u653e\u5230\u4e00\u4e2a\u5e8f\u5217\u4e2d\uff0c\u5e76\u5728\u6267\u884c\u671f\u95f4\u4fdd\u8bc1\u547d\u4ee4\u7684\u539f\u5b50\u6027\u3002\u8fd9\u53ef\u4ee5\u4fdd\u8bc1\u4e8b\u52a1\u7684\u4e00\u81f4\u6027\u3002\u5982\u679c\u53e6\u4e00\u4e2a\u8282\u70b9\u5728\u6267\u884c\u671f\u95f4\u51fa\u73b0\u95ee\u9898\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u91cd\u65b0\u6267\u884c\u6765\u4fdd\u8bc1\u4e00\u81f4\u6027\u3002<\/p>\n

        \u56e0\u6b64\uff0c\u901a\u8fc7Redis\u4e8b\u52a1\u548c\u4e00\u81f4\u6027\u54c8\u5e0c\u7b97\u6cd5\uff0c\u6211\u4eec\u53ef\u4ee5\u66f4\u597d\u5730\u6ee1\u8db3CAP\u7406\u8bba\uff0c\u540c\u65f6\u4fdd\u8bc1\u4e86\u5206\u533a\u5bb9\u9519\u6027\u548c\u4e00\u81f4\u6027\uff0c\u63d0\u9ad8\u4e86\u7cfb\u7edf\u7684\u53ef\u7528\u6027\u3002<\/p>\n

          \n
        1. Redis\u5b9e\u8df5\u4e2d\u7684\u5e94\u7528<\/li>\n<\/ol>\n

          \u5728Redis\u5b9e\u8df5\u4e2d\uff0c\u6211\u4eec\u5e38\u5e38\u4f7f\u7528Redis\u4e8b\u52a1\u548c\u5206\u5e03\u5f0f\u9501\u6765\u5b9e\u73b0\u5206\u5e03\u5f0f\u4e8b\u52a1\u3002\u4f8b\u5982\uff0c\u5728\u7535\u5546\u7cfb\u7edf\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528Redis\u4e8b\u52a1\u548c\u5206\u5e03\u5f0f\u9501\u6765\u4fdd\u8bc1\u4e00\u4e2a\u7528\u6237\u53ea\u80fd\u8d2d\u4e70\u4e00\u4ef6\u5546\u54c1\uff0c\u540c\u65f6\u4fdd\u8bc1\u5e93\u5b58\u91cf\u51cf\u5c11\u7684\u539f\u5b50\u6027\u3002<\/p>\n

          \u4ee5\u4e0b\u662f\u5177\u4f53\u5b9e\u73b0\u6b65\u9aa4\uff1a<\/p>\n

            \n
          1. \u5ba2\u6237\u7aef\u8c03\u7528Redis\u4e8b\u52a1\u547d\u4ee4MULTI\u3002<\/li>\n
          2. \u5ba2\u6237\u7aef\u83b7\u53d6\u9501\u3002<\/li>\n
          3. \u5ba2\u6237\u7aef\u6267\u884c\u4e70\u5bb6\u8d26\u6237\u51cf\u5c11\u64cd\u4f5c\u3002<\/li>\n
          4. \u5ba2\u6237\u7aef\u6267\u884c\u5356\u5bb6\u8d26\u6237\u589e\u52a0\u64cd\u4f5c\u3002<\/li>\n
          5. \u5ba2\u6237\u7aef\u6267\u884c\u51cf\u5c11\u5e93\u5b58\u91cf\u64cd\u4f5c\u3002<\/li>\n
          6. \u5ba2\u6237\u7aef\u63d0\u4ea4\u4e8b\u52a1\u547d\u4ee4EXEC\u3002<\/li>\n
          7. \u5ba2\u6237\u7aef\u91ca\u653e\u9501\u3002<\/li>\n<\/ol>\n

            \u5c3d\u7ba1Redis\u4e8b\u52a1\u662f\u539f\u5b50\u6027\u7684\uff0c\u4f46\u662f\u5982\u679c\u4e24\u4e2a\u5ba2\u6237\u7aef\u540c\u65f6\u8c03\u7528\u4e00\u4e2a\u5546\u54c1\u7684\u8d2d\u4e70\uff0c\u5b83\u4eec\u53ef\u80fd\u90fd\u4f1a\u83b7\u5f97\u9501\uff0c\u56e0\u6b64\u53ea\u6709\u4e00\u4e2a\u53ef\u4ee5\u6210\u529f\u8d2d\u4e70\uff0c\u53e6\u4e00\u4e2a\u5219\u4f1a\u5931\u8d25\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528Redis\u7684WATCH\u547d\u4ee4\u6765\u5b9e\u73b0\u4e50\u89c2\u9501\u673a\u5236\uff0c\u4ee5\u9632\u6b62\u6570\u636e\u7684\u591a\u6b21\u4fee\u6539\u3002<\/p>\n

            \u4f8b\u5982\uff0c\u5728\u7535\u5546\u7cfb\u7edf\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528WATCH\u547d\u4ee4\u6765\u5b9e\u73b0\u4ee5\u4e0b\u6b65\u9aa4\uff1a<\/p>\n

              \n
            1. \u5ba2\u6237\u7aef\u8c03\u7528WATCH\u547d\u4ee4\uff0c\u76d1\u89c6\u5546\u54c1\u7684\u5e93\u5b58\u3002<\/li>\n
            2. \u5ba2\u6237\u7aef\u83b7\u53d6\u9501\u3002<\/li>\n
            3. \u5ba2\u6237\u7aef\u8c03\u7528GET\u547d\u4ee4\u6765\u83b7\u53d6\u5f53\u524d\u5e93\u5b58\u91cf\u3002<\/li>\n
            4. \u5ba2\u6237\u7aef\u6267\u884c\u5224\u65ad\u5e93\u5b58\u91cf\u662f\u5426\u8db3\u591f\u7684\u903b\u8f91\u3002<\/li>\n
            5. \u5982\u679c\u5e93\u5b58\u91cf\u8db3\u591f\uff0c\u5ba2\u6237\u7aef\u4f7f\u7528MULTI\u547d\u4ee4\u5f00\u59cb\u8d2d\u4e70\u64cd\u4f5c\u3002<\/li>\n
            6. \u5982\u679c\u5e93\u5b58\u91cf\u4e0d\u8db3\uff0c\u5ba2\u6237\u7aef\u53d6\u6d88WATCH\u547d\u4ee4\uff0c\u91ca\u653e\u9501\u3002<\/li>\n<\/ol>\n

              \u901a\u8fc7\u4f7f\u7528WATCH\u547d\u4ee4\uff0c\u6211\u4eec\u53ef\u4ee5\u5728\u53d1\u751f\u5e76\u53d1\u8bbf\u95ee\u65f6\u907f\u514d\u8d2d\u4e70\u540c\u4e00\u5546\u54c1\u7684\u95ee\u9898\u3002\u4f46\u662f\uff0cWATCH\u547d\u4ee4\u7684\u4f7f\u7528\u5e76\u4e0d\u662f\u552f\u4e00\u7684\u3002\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u7684\u9700\u6c42\u9009\u62e9\u4e0d\u540c\u7684\u9501\u548c\u5b9e\u73b0\u65b9\u5f0f\uff0c\u5e76\u8fdb\u884c\u76f8\u5e94\u7684\u4f18\u5316\u3002<\/p>\n

              \u603b\u4e4b\uff0cRedis\u4e8b\u52a1\u662f\u4e00\u79cd\u5f3a\u6709\u529b\u7684\u5de5\u5177\uff0c\u5b83\u53ef\u4ee5\u7528\u4e8e\u5b9e\u73b0\u5206\u5e03\u5f0f\u4e8b\u52a1\uff0c\u5e76\u5728\u5b9e\u8df5\u4e2d\u5f97\u5230\u5e7f\u6cdb\u7684\u5e94\u7528\u3002\u901a\u8fc7Redis\u4e8b\u52a1\u548c\u4e00\u81f4\u6027\u54c8\u5e0c\u7b97\u6cd5\uff0c\u6211\u4eec\u53ef\u4ee5\u63d0\u9ad8\u7cfb\u7edf\u7684\u53ef\u7528\u6027\uff0c\u540c\u65f6\u4fdd\u8bc1\u4e86\u5206\u533a\u5bb9\u9519\u6027\u548c\u4e00\u81f4\u6027\uff0c\u4ece\u800c\u5b9e\u73b0\u4e86CAP\u7406\u8bba\u7684\u5e73\u8861\u3002<\/p>\n

              \n
              \n <\/dt>\n
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              Redis\u5b9e\u73b0\u5206\u5e03\u5f0f\u4e8b\u52a1\u7684CAP...<\/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-201848","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201848","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=201848"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201848\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=201848"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=201848"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=201848"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}