{"id":201681,"date":"2025-05-10T08:33:08","date_gmt":"2025-05-10T00:33:08","guid":{"rendered":"https:\/\/server.hk\/cnblog\/201681\/"},"modified":"2025-05-10T08:33:08","modified_gmt":"2025-05-10T00:33:08","slug":"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8redis%e8%a7%a3%e5%86%b3%e7%bc%93%e5%ad%98%e4%b8%8d%e4%b8%80%e8%87%b4%e9%97%ae%e9%a2%98%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/201681\/","title":{"rendered":"\u5982\u4f55\u4f7f\u7528Redis\u89e3\u51b3\u7f13\u5b58\u4e0d\u4e00\u81f4\u95ee\u9898\uff1f"},"content":{"rendered":"

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    1. \n

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      \u6211\u8fd8\u662f\u501f\u52a9\u4e00\u4e2a\u4f8b\u5b50\u6765\u8bf4\u660e\u4e00\u4e0b\u3002<\/p>\n

      <\/p>\n

      \u5e94\u7528\u8981\u628a\u6570\u636e X \u7684\u503c\u4ece 10 \u66f4\u65b0\u4e3a 3\uff0c\u5148\u6210\u529f\u66f4\u65b0\u4e86\u6570\u636e\u5e93\uff0c\u7136\u540e\u5728 Redis \u7f13\u5b58\u4e2d\u5220\u9664 X \u7684\u7f13\u5b58\uff0c\u4f46\u662f\u8fd9\u4e2a\u64cd\u4f5c\u5374\u5931\u8d25\u4e86\uff0c\u8fd9\u4e2a\u65f6\u5019\uff0c\u6570\u636e\u5e93\u4e2d X \u7684\u65b0\u503c\u4e3a 3\uff0cRedis \u4e2d\u7684 X \u7684\u7f13\u5b58\u503c\u4e3a 10\uff0c\u8fd9\u80af\u5b9a\u662f\u4e0d\u4e00\u81f4\u7684\u3002\u5982\u679c\u521a\u597d\u6b64\u65f6\u6709\u5176\u4ed6\u5ba2\u6237\u7aef\u4e5f\u53d1\u9001\u8bf7\u6c42\u8bbf\u95ee X\uff0c\u4f1a\u5148\u5728 Redis \u4e2d\u67e5\u8be2\uff0c\u8be5\u5ba2\u6237\u7aef\u4f1a\u53d1\u73b0\u7f13\u5b58\u547d\u4e2d\uff0c\u4f46\u662f\u8bfb\u5230\u7684\u5374\u662f\u65e7\u503c 10\u3002<\/p>\n

      \u597d\u4e86\uff0c\u5230\u8fd9\u91cc\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u5230\uff0c\u5728\u66f4\u65b0\u6570\u636e\u5e93\u548c\u5220\u9664\u7f13\u5b58\u503c\u7684\u8fc7\u7a0b\u4e2d\uff0c\u65e0\u8bba\u8fd9\u4e24\u4e2a\u64cd\u4f5c\u7684\u6267\u884c\u987a\u5e8f\u8c01\u5148\u8c01\u540e\uff0c\u53ea\u8981\u6709\u4e00\u4e2a\u64cd\u4f5c\u5931\u8d25\u4e86\uff0c\u5c31\u4f1a\u5bfc\u81f4\u5ba2\u6237\u7aef\u8bfb\u53d6\u5230\u65e7\u503c\u3002\u6211\u753b\u4e86\u4e0b\u9762\u8fd9\u5f20\u8868\uff0c\u603b\u7ed3\u4e86\u521a\u521a\u6240\u8bf4\u7684\u8fd9\u4e24\u79cd\u60c5\u51b5\u3002<\/p>\n

      <\/p>\n

      \u95ee\u9898\u53d1\u751f\u7684\u539f\u56e0\u6211\u4eec\u77e5\u9053\u4e86\uff0c\u90a3\u8be5\u600e\u4e48\u89e3\u51b3\u5462\uff1f<\/p>\n

      \u5982\u4f55\u89e3\u51b3\u6570\u636e\u4e0d\u4e00\u81f4\u95ee\u9898\uff1f<\/strong><\/h3>\n

      \u9996\u5148\uff0c\u6211\u7ed9\u4f60\u4ecb\u7ecd\u4e00\u79cd\u65b9\u6cd5\uff1a\u91cd\u8bd5\u673a\u5236\u3002<\/p>\n

      \u5177\u4f53\u6765\u8bf4\uff0c\u53ef\u4ee5\u628a\u8981\u5220\u9664\u7684\u7f13\u5b58\u503c\u6216\u8005\u662f\u8981\u66f4\u65b0\u7684\u6570\u636e\u5e93\u503c\u6682\u5b58\u5230\u6d88\u606f\u961f\u5217\u4e2d\uff08\u4f8b\u5982\u4f7f\u7528 Kafka \u6d88\u606f\u961f\u5217\uff09\u3002\u5f53\u5e94\u7528\u6ca1\u6709\u80fd\u591f\u6210\u529f\u5730\u5220\u9664\u7f13\u5b58\u503c\u6216\u8005\u662f\u66f4\u65b0\u6570\u636e\u5e93\u503c\u65f6\uff0c\u53ef\u4ee5\u4ece\u6d88\u606f\u961f\u5217\u4e2d\u91cd\u65b0\u8bfb\u53d6\u8fd9\u4e9b\u503c\uff0c\u7136\u540e\u518d\u6b21\u8fdb\u884c\u5220\u9664\u6216\u66f4\u65b0\u3002<\/p>\n

      \u5982\u679c\u80fd\u591f\u6210\u529f\u5730\u5220\u9664\u6216\u66f4\u65b0\uff0c\u6211\u4eec\u5c31\u8981\u628a\u8fd9\u4e9b\u503c\u4ece\u6d88\u606f\u961f\u5217\u4e2d\u53bb\u9664\uff0c\u4ee5\u514d\u91cd\u590d\u64cd\u4f5c\uff0c\u6b64\u65f6\uff0c\u6211\u4eec\u4e5f\u53ef\u4ee5\u4fdd\u8bc1\u6570\u636e\u5e93\u548c\u7f13\u5b58\u7684\u6570\u636e\u4e00\u81f4\u4e86\u3002\u5426\u5219\u7684\u8bdd\uff0c\u6211\u4eec\u8fd8\u9700\u8981\u518d\u6b21\u8fdb\u884c\u91cd\u8bd5\u3002\u5982\u679c\u91cd\u8bd5\u8d85\u8fc7\u7684\u4e00\u5b9a\u6b21\u6570\uff0c\u8fd8\u662f\u6ca1\u6709\u6210\u529f\uff0c\u6211\u4eec\u5c31\u9700\u8981\u5411\u4e1a\u52a1\u5c42\u53d1\u9001\u62a5\u9519\u4fe1\u606f\u4e86\u3002<\/p>\n

      \u4e0b\u56fe\u663e\u793a\u4e86\u5148\u66f4\u65b0\u6570\u636e\u5e93\uff0c\u518d\u5220\u9664\u7f13\u5b58\u503c\u65f6\uff0c\u5982\u679c\u7f13\u5b58\u5220\u9664\u5931\u8d25\uff0c\u518d\u6b21\u91cd\u8bd5\u540e\u5220\u9664\u6210\u529f\u7684\u60c5\u51b5\uff0c\u4f60\u53ef\u4ee5\u770b\u4e0b\u3002<\/p>\n

      <\/p>\n

      \u521a\u521a\u8bf4\u7684\u662f\u5728\u66f4\u65b0\u6570\u636e\u5e93\u548c\u5220\u9664\u7f13\u5b58\u503c\u7684\u8fc7\u7a0b\u4e2d\uff0c\u5176\u4e2d\u4e00\u4e2a\u64cd\u4f5c\u5931\u8d25\u7684\u60c5\u51b5\uff0c\u5b9e\u9645\u4e0a\uff0c\u5373\u4f7f\u8fd9\u4e24\u4e2a\u64cd\u4f5c\u7b2c\u4e00\u6b21\u6267\u884c\u65f6\u90fd\u6ca1\u6709\u5931\u8d25\uff0c\u5f53\u6709\u5927\u91cf\u5e76\u53d1\u8bf7\u6c42\u65f6\uff0c\u5e94\u7528\u8fd8\u662f\u6709\u53ef\u80fd\u8bfb\u5230\u4e0d\u4e00\u81f4\u7684\u6570\u636e\u3002<\/p>\n

      \u540c\u6837\uff0c\u6211\u4eec\u6309\u7167\u4e0d\u540c\u7684\u5220\u9664\u548c\u66f4\u65b0\u987a\u5e8f\uff0c\u5206\u6210\u4e24\u79cd\u60c5\u51b5\u6765\u770b\u3002\u5728\u8fd9\u4e24\u79cd\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u7684\u89e3\u51b3\u65b9\u6cd5\u4e5f\u6709\u6240\u4e0d\u540c\u3002<\/p>\n

      \u60c5\u51b5\u4e00\uff1a\u5148\u5220\u9664\u7f13\u5b58\uff0c\u518d\u66f4\u65b0\u6570\u636e\u5e93\u3002<\/strong><\/h3>\n

      \u5047\u8bbe\u7ebf\u7a0b A \u5220\u9664\u7f13\u5b58\u503c\u540e\uff0c\u8fd8\u6ca1\u6709\u6765\u5f97\u53ca\u66f4\u65b0\u6570\u636e\u5e93\uff08\u6bd4\u5982\u8bf4\u6709\u7f51\u7edc\u5ef6\u8fdf\uff09\uff0c\u7ebf\u7a0b B \u5c31\u5f00\u59cb\u8bfb\u53d6\u6570\u636e\u4e86\uff0c\u90a3\u4e48\u8fd9\u4e2a\u65f6\u5019\uff0c\u7ebf\u7a0b B \u4f1a\u53d1\u73b0\u7f13\u5b58\u7f3a\u5931\uff0c\u5c31\u53ea\u80fd\u53bb\u6570\u636e\u5e93\u8bfb\u53d6\u3002\u8fd9\u4f1a\u5e26\u6765\u4e24\u4e2a\u95ee\u9898\uff1a<\/p>\n

        \n
      1. \n

        \u7ebf\u7a0b B \u8bfb\u53d6\u5230\u4e86\u65e7\u503c\uff1b<\/p>\n<\/li>\n

      2. \n

        \u7ebf\u7a0b B \u662f\u5728\u7f13\u5b58\u7f3a\u5931\u7684\u60c5\u51b5\u4e0b\u8bfb\u53d6\u7684\u6570\u636e\u5e93\uff0c\u6240\u4ee5\uff0c\u5b83\u8fd8\u4f1a\u628a\u65e7\u503c\u5199\u5165\u7f13\u5b58\uff0c\u8fd9\u53ef\u80fd\u4f1a\u5bfc\u81f4\u5176\u4ed6\u7ebf\u7a0b\u4ece\u7f13\u5b58\u4e2d\u8bfb\u5230\u65e7\u503c\u3002<\/p>\n<\/li>\n<\/ol>\n

        \u7b49\u5230\u7ebf\u7a0b B \u4ece\u6570\u636e\u5e93\u8bfb\u53d6\u5b8c\u6570\u636e\u3001\u66f4\u65b0\u4e86\u7f13\u5b58\u540e\uff0c\u7ebf\u7a0b A \u624d\u5f00\u59cb\u66f4\u65b0\u6570\u636e\u5e93\uff0c\u6b64\u65f6\uff0c\u7f13\u5b58\u4e2d\u7684\u6570\u636e\u662f\u65e7\u503c\uff0c\u800c\u6570\u636e\u5e93\u4e2d\u7684\u662f\u6700\u65b0\u503c\uff0c\u4e24\u8005\u5c31\u4e0d\u4e00\u81f4\u4e86\u3002<\/p>\n

        \u6211\u7528\u4e00\u5f20\u8868\u6765\u6c47\u603b\u4e0b\u8fd9\u79cd\u60c5\u51b5\u3002
        <\/p>\n

        \u8fd9\u8be5\u600e\u4e48\u529e\u5462\uff1f\u6211\u6765\u7ed9\u4f60\u63d0\u4f9b\u4e00\u79cd\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n

        \u5728\u7ebf\u7a0b A \u66f4\u65b0\u5b8c\u6570\u636e\u5e93\u503c\u4ee5\u540e\uff0c\u6211\u4eec\u53ef\u4ee5\u8ba9\u5b83\u5148 sleep \u4e00\u5c0f\u6bb5\u65f6\u95f4\uff0c\u518d\u8fdb\u884c\u4e00\u6b21\u7f13\u5b58\u5220\u9664\u64cd\u4f5c\u3002<\/strong><\/p>\n

        \u4e4b\u6240\u4ee5\u8981\u52a0\u4e0a sleep \u7684\u8fd9\u6bb5\u65f6\u95f4\uff0c\u5c31\u662f\u4e3a\u4e86\u8ba9\u7ebf\u7a0b B \u80fd\u591f\u5148\u4ece\u6570\u636e\u5e93\u8bfb\u53d6\u6570\u636e\uff0c\u518d\u628a\u7f3a\u5931\u7684\u6570\u636e\u5199\u5165\u7f13\u5b58\uff0c\u7136\u540e\uff0c\u7ebf\u7a0b A \u518d\u8fdb\u884c\u5220\u9664\u3002\u6240\u4ee5\uff0c\u7ebf\u7a0b A sleep \u7684\u65f6\u95f4\uff0c\u5c31\u9700\u8981\u5927\u4e8e\u7ebf\u7a0b B \u8bfb\u53d6\u6570\u636e\u518d\u5199\u5165\u7f13\u5b58\u7684\u65f6\u95f4\u3002\u8fd9\u4e2a\u65f6\u95f4\u600e\u4e48\u786e\u5b9a\u5462\uff1f\u5efa\u8bae\u4f60\u5728\u4e1a\u52a1\u7a0b\u5e8f\u8fd0\u884c\u7684\u65f6\u5019\uff0c\u7edf\u8ba1\u4e0b\u7ebf\u7a0b\u8bfb\u6570\u636e\u548c\u5199\u7f13\u5b58\u7684\u64cd\u4f5c\u65f6\u95f4\uff0c\u4ee5\u6b64\u4e3a\u57fa\u7840\u6765\u8fdb\u884c\u4f30\u7b97\u3002<\/p>\n

        \u8fd9\u6837\u4e00\u6765\uff0c\u5176\u5b83\u7ebf\u7a0b\u8bfb\u53d6\u6570\u636e\u65f6\uff0c\u4f1a\u53d1\u73b0\u7f13\u5b58\u7f3a\u5931\uff0c\u6240\u4ee5\u4f1a\u4ece\u6570\u636e\u5e93\u4e2d\u8bfb\u53d6\u6700\u65b0\u503c\u3002\u56e0\u4e3a\u8fd9\u4e2a\u65b9\u6848\u4f1a\u5728\u7b2c\u4e00\u6b21\u5220\u9664\u7f13\u5b58\u503c\u540e\uff0c\u5ef6\u8fdf\u4e00\u6bb5\u65f6\u95f4\u518d\u6b21\u8fdb\u884c\u5220\u9664\uff0c\u6240\u4ee5\u6211\u4eec\u4e5f\u628a\u5b83\u53eb\u505a\u201c\u5ef6\u8fdf\u53cc\u5220\u201d\u3002<\/p>\n

        \u4e0b\u9762\u7684\u8fd9\u6bb5\u4f2a\u4ee3\u7801\u5c31\u662f\u201c\u5ef6\u8fdf\u53cc\u5220\u201d\u65b9\u6848\u7684\u793a\u4f8b\uff0c\u4f60\u53ef\u4ee5\u770b\u4e0b\u3002<\/p>\n

        redis.delKey(X)\ndb.update(X)\nThread.sleep(N)\nredis.delKey(X)<\/pre>\n
        \u60c5\u51b5\u4e8c\uff1a\u5148\u66f4\u65b0\u6570\u636e\u5e93\u503c\uff0c\u518d\u5220\u9664\u7f13\u5b58\u503c\u3002<\/strong><\/p>\n
        \u5982\u679c\u7ebf\u7a0b A \u5220\u9664\u4e86\u6570\u636e\u5e93\u4e2d\u7684\u503c\uff0c\u4f46\u8fd8\u6ca1\u6765\u5f97\u53ca\u5220\u9664\u7f13\u5b58\u503c\uff0c\u7ebf\u7a0b B \u5c31\u5f00\u59cb\u8bfb\u53d6\u6570\u636e\u4e86\uff0c\u90a3\u4e48\u6b64\u65f6\uff0c\u7ebf\u7a0b B \u67e5\u8be2\u7f13\u5b58\u65f6\uff0c\u53d1\u73b0\u7f13\u5b58\u547d\u4e2d\uff0c\u5c31\u4f1a\u76f4\u63a5\u4ece\u7f13\u5b58\u4e2d\u8bfb\u53d6\u65e7\u503c\u3002\u4e0d\u8fc7\uff0c\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u5982\u679c\u5176\u4ed6\u7ebf\u7a0b\u5e76\u53d1\u8bfb\u7f13\u5b58\u7684\u8bf7\u6c42\u4e0d\u591a\uff0c\u90a3\u4e48\uff0c\u5c31\u4e0d\u4f1a\u6709\u5f88\u591a\u8bf7\u6c42\u8bfb\u53d6\u5230\u65e7\u503c\u3002\u800c\u4e14\uff0c\u7ebf\u7a0b A \u4e00\u822c\u4e5f\u4f1a\u5f88\u5feb\u5220\u9664\u7f13\u5b58\u503c\uff0c\u8fd9\u6837\u4e00\u6765\uff0c\u5176\u4ed6\u7ebf\u7a0b\u518d\u6b21\u8bfb\u53d6\u65f6\uff0c\u5c31\u4f1a\u53d1\u751f\u7f13\u5b58\u7f3a\u5931\uff0c\u8fdb\u800c\u4ece\u6570\u636e\u5e93\u4e2d\u8bfb\u53d6\u6700\u65b0\u503c\u3002\u6240\u4ee5\uff0c\u8fd9\u79cd\u60c5\u51b5\u5bf9\u4e1a\u52a1\u7684\u5f71\u54cd\u8f83\u5c0f\u3002<\/p>\n
        \u6211\u518d\u753b\u4e00\u5f20\u8868\uff0c\u5e26\u4f60\u603b\u7ed3\u4e0b\u5148\u66f4\u65b0\u6570\u636e\u5e93\u3001\u518d\u5220\u9664\u7f13\u5b58\u503c\u7684\u60c5\u51b5\u3002
        <\/p>\n
        \u597d\u4e86\uff0c\u5230\u8fd9\u91cc\uff0c\u6211\u4eec\u4e86\u89e3\u5230\u4e86\uff0c\u7f13\u5b58\u548c\u6570\u636e\u5e93\u7684\u6570\u636e\u4e0d\u4e00\u81f4\u4e00\u822c\u662f\u7531\u4e24\u4e2a\u539f\u56e0\u5bfc\u81f4\u7684\uff0c\u6211\u7ed9\u4f60\u63d0\u4f9b\u4e86\u76f8\u5e94\u7684\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n
          \n
        • \n
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