{"id":201911,"date":"2025-05-10T11:43:06","date_gmt":"2025-05-10T03:43:06","guid":{"rendered":"https:\/\/server.hk\/cnblog\/201911\/"},"modified":"2025-05-10T11:43:06","modified_gmt":"2025-05-10T03:43:06","slug":"redis%e4%bd%9c%e4%b8%ba%e6%95%b0%e6%8d%ae%e5%a4%84%e7%90%86%e5%b9%b3%e5%8f%b0%e7%9a%84%e7%b3%bb%e7%bb%9f%e4%bc%98%e5%8c%96%e4%b8%8e%e6%80%a7%e8%83%bd%e8%b0%83%e4%bc%98","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/201911\/","title":{"rendered":"Redis\u4f5c\u4e3a\u6570\u636e\u5904\u7406\u5e73\u53f0\u7684\u7cfb\u7edf\u4f18\u5316\u4e0e\u6027\u80fd\u8c03\u4f18"},"content":{"rendered":"

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

Redis\u4f5c\u4e3a\u6570\u636e\u5904\u7406\u5e73\u53f0\u7684\u7cfb\u7edf\u4f18\u5316\u4e0e\u6027\u80fd\u8c03\u4f18<\/h1>\n

\u54c8\u55bd\uff01\u4eca\u5929\u5fc3\u8840\u6765\u6f6e\u7ed9\u5927\u5bb6\u5e26\u6765\u4e86\u300aRedis\u4f5c\u4e3a\u6570\u636e\u5904\u7406\u5e73\u53f0\u7684\u7cfb\u7edf\u4f18\u5316\u4e0e\u6027\u80fd\u8c03\u4f18\u300b<\/span>\uff0c\u60f3\u5fc5\u5927\u5bb6\u5e94\u8be5\u5bf9\u6570\u636e\u5e93<\/span>\u90fd\u4e0d\u964c\u751f\u5427\uff0c\u90a3\u4e48\u9605\u8bfb\u672c\u6587\u5c31\u90fd\u4e0d\u4f1a\u5f88\u56f0\u96be\uff0c\u4ee5\u4e0b\u5185\u5bb9\u4e3b\u8981\u6d89\u53ca\u5230<\/span>\uff0c\u82e5\u662f\u4f60\u6b63\u5728\u5b66\u4e60\u6570\u636e\u5e93<\/span>\uff0c\u5343\u4e07\u522b\u9519\u8fc7\u8fd9\u7bc7\u6587\u7ae0~\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u4f60\uff01<\/p>\n

Redis\u4f5c\u4e3a\u4e00\u6b3e\u9ad8\u6027\u80fd\u5185\u5b58\u6570\u636e\u5e93\uff0c\u5df2\u7ecf\u6210\u4e3a\u4e86\u73b0\u4ee3\u5e94\u7528\u67b6\u6784\u4e2d\u6700\u4e3a\u91cd\u8981\u7684\u7ec4\u4ef6\u4e4b\u4e00\u3002Redis\u5728\u4f17\u591a\u5e94\u7528\u573a\u666f\u4e2d\u90fd\u5177\u6709\u7740\u6781\u9ad8\u7684\u4ef7\u503c\uff0c\u6bd4\u5982\u7f13\u5b58\u3001\u6d88\u606f\u961f\u5217\u3001\u5206\u5e03\u5f0f\u9501\u7b49\uff0c\u4f46\u662f\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u5f88\u591a\u4eba\u7ecf\u5e38\u9047\u5230Redis\u7684\u6027\u80fd\u74f6\u9888\u95ee\u9898\u3002\u672c\u6587\u65e8\u5728\u63a2\u8ba8\u5982\u4f55\u5bf9Redis\u8fdb\u884c\u7cfb\u7edf\u4f18\u5316\u548c\u6027\u80fd\u8c03\u4f18\uff0c\u4ece\u800c\u89e3\u51b3\u8fd9\u4e9b\u5e38\u89c1\u7684\u95ee\u9898\u3002<\/p>\n

    \n
  1. \u786c\u4ef6\u914d\u7f6e<\/li>\n<\/ol>\n

    \u9996\u5148\uff0cRedis\u7684\u6027\u80fd\u53d6\u51b3\u4e8e\u786c\u4ef6\u914d\u7f6e\u3002\u56e0\u6b64\uff0c\u4e3a\u4e86\u8fbe\u5230\u66f4\u597d\u7684\u6027\u80fd\uff0c\u9700\u8981\u9488\u5bf9\u81ea\u5df1\u7684\u4e1a\u52a1\u573a\u666f\u8fdb\u884c\u5408\u7406\u7684\u786c\u4ef6\u914d\u7f6e\u3002<\/p>\n

    \u901a\u5e38\u6765\u8bf4\uff0cRedis\u7684\u5185\u5b58\u5927\u5c0f\u662f\u4e1a\u52a1\u7684\u74f6\u9888\u4e4b\u4e00\uff0c\u6839\u636e\u5b9e\u9645\u9700\u6c42\uff0c\u9009\u62e9\u5408\u9002\u5927\u5c0f\u7684\u5185\u5b58\u624d\u80fd\u591f\u66f4\u597d\u5730\u652f\u6301\u4e1a\u52a1\u3002\u6b64\u5916\uff0cCPU\u7684\u6027\u80fd\u4e5f\u662f\u975e\u5e38\u91cd\u8981\u7684\u56e0\u7d20\uff0c\u800c\u4e14Redis\u4e00\u822c\u4f1a\u5728\u5355\u7ebf\u7a0b\u4e2d\u8fd0\u884c\uff0c\u6240\u4ee5\u5355\u6838CPU\u6027\u80fd\u8d8a\u597d\uff0cRedis\u7684\u6027\u80fd\u8d8a\u597d\u3002\u6b64\u5916\uff0c\u4f7f\u7528SSD\u4f5c\u4e3a\u6301\u4e45\u5316\u5b58\u50a8\uff0c\u53ef\u4ee5\u6709\u6548\u63d0\u5347Redis\u7684\u6570\u636e\u5199\u5165\u6027\u80fd\u3002<\/p>\n

      \n
    1. \u914d\u7f6e\u4f18\u5316<\/li>\n<\/ol>\n

      Redis\u7684\u914d\u7f6e\u6587\u4ef6\uff08redis.conf\uff09\u5305\u542b\u4e86\u6240\u6709Redis\u8282\u70b9\u7684\u53c2\u6570\u8bbe\u7f6e\uff0c\u8fd9\u4e9b\u914d\u7f6e\u53c2\u6570\u53ef\u4ee5\u5927\u5927\u5f71\u54cdRedis\u7684\u6027\u80fd\u3002\u5bf9\u4e8e\u5927\u591a\u6570\u4e1a\u52a1\u6765\u8bf4\uff0c\u9700\u8981\u91cd\u70b9\u5173\u6ce8\u4ee5\u4e0b\u51e0\u4e2a\u914d\u7f6e\u9879\u3002<\/p>\n

      2.1 maxmemory<\/p>\n

      \u8fd9\u4e2a\u53c2\u6570\u6307\u5b9a\u4e86Redis\u5185\u5b58\u4f7f\u7528\u7684\u6700\u5927\u5927\u5c0f\uff0c\u4e00\u65e6\u5185\u5b58\u8fbe\u5230\u8fd9\u4e2a\u4e0a\u9650\uff0cRedis\u4f1a\u4f7f\u7528\u6570\u636e\u6dd8\u6c70\u7b56\u7565\u5220\u9664\u8fc7\u671f\u6570\u636e\u3002\u5982\u679cmaxmemory\u8bbe\u7f6e\u8fc7\u5c0f\uff0c\u90a3\u4e48\u5c06\u4f1a\u7ecf\u5e38\u53d1\u751f\u5185\u5b58\u6dd8\u6c70\uff0c\u5bfc\u81f4Redis\u6027\u80fd\u4e0b\u964d\uff0c\u4e1a\u52a1\u53d7\u5230\u635f\u5931\u3002\u5982\u679cmaxmemory\u8bbe\u7f6e\u592a\u5927\uff0c\u53ef\u80fd\u5bfc\u81f4Redis\u5185\u5b58\u5360\u7528\u8fc7\u5927\uff0c\u5f71\u54cd\u7cfb\u7edf\u7a33\u5b9a\u6027\u3002<\/p>\n

      \u5728\u5b9e\u9645\u4f7f\u7528\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6emaxmemory\u7684\u503c\uff0c\u4f7f\u5f97\u5185\u5b58\u7684\u5229\u7528\u7387\u8fbe\u5230\u6700\u5927\u5316\uff0c\u5e76\u4e14\u5c3d\u53ef\u80fd\u5730\u907f\u514d\u6570\u636e\u6dd8\u6c70\u3002<\/p>\n

      2.2 maxclients<\/p>\n

      \u8fd9\u4e2a\u53c2\u6570\u6307\u5b9a\u4e86\u5728Redis\u6570\u636e\u5e93\u4e0a\u5141\u8bb8\u7684\u6700\u5927\u5ba2\u6237\u7aef\u8fde\u63a5\u6570\u3002\u5982\u679cmaxclients\u8bbe\u7f6e\u592a\u5c0f\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u5e94\u7528\u4e2d\u7b49\u5f85\u8fde\u63a5\u7684\u8bf7\u6c42\u6bd4\u8f83\u591a\uff0c\u51fa\u73b0\u8fde\u63a5\u8d85\u65f6\u6216\u8fde\u63a5\u4e22\u5931\u7b49\u9519\u8bef\u3002\u5982\u679cmaxclients\u8bbe\u7f6e\u8fc7\u5927\uff0c\u5219\u4f1a\u5bf9Redis\u7684\u6027\u80fd\u9020\u6210\u4e00\u5b9a\u7684\u5f71\u54cd\uff0c\u5efa\u8bae\u6839\u636e\u673a\u5668\u7684\u786c\u4ef6\u8d44\u6e90\u548c\u8d1f\u8f7d\u60c5\u51b5\u9002\u5f53\u8c03\u6574\u3002<\/p>\n

      2.3 set-max-intset-entries<\/p>\n

      \u5f53\u4f7f\u7528intset\u8868\u793aset\u7c7b\u578b\u65f6\uff0c\u5f53\u5143\u7d20\u6570\u91cf\u8d85\u8fc7\u8fd9\u4e2a\u503c\u65f6\uff0cintset\u4f1a\u6362\u6210hashtable\u6765\u8fdb\u884c\u5b58\u50a8\uff0c\u56e0\u4e3ahashtable\u7684\u590d\u6742\u5ea6\u662fO(1)\uff0c\u800cintset\u7684\u590d\u6742\u5ea6\u662fO(n)\uff0c\u6240\u4ee5\u8bbe\u7f6e\u8fd9\u4e2a\u503c\u53ef\u4ee5\u63a7\u5236set\u7c7b\u578b\u5728\u5185\u5b58\u7684\u5927\u5c0f\u548c\u67e5\u8be2\u6027\u80fd\u3002<\/p>\n

      2.4 hash-max-ziplist-entries\/hask-max-ziplist-value <\/p>\n

      hash-max-ziplist-entries\u6307\u5b9a\u4e86\u91c7\u7528ziplist\u7f16\u7801\u7c7b\u578b\u65f6\uff0chash\u7c7b\u578b\u7684\u952e\u503c\u5bf9\u7684\u6700\u5927\u6570\u91cf\uff0chask-max-ziplist-value\u6307\u5b9a\u4e86\u91c7\u7528ziplist\u7f16\u7801\u7c7b\u578b\u65f6\uff0chash\u7c7b\u578b\u7684\u952e\u503c\u5bf9\u7684\u6700\u5927\u6bcf\u4e2a\u503c\u7684\u5927\u5c0f\u3002\u5f53hash\u5927\u5c0f\u5728\u8fd9\u4e2a\u8303\u56f4\u5185\uff0c\u91c7\u7528ziplist\u53ef\u4ee5\u66f4\u8282\u7701\u5185\u5b58\uff0c\u63d0\u9ad8\u8bfb\u5199\u6027\u80fd\u3002\u56e0\u6b64\uff0c\u53ef\u4ee5\u6839\u636e\u5b9e\u9645\u4f7f\u7528\u9700\u6c42\u6765\u8c03\u6574\u8fd9\u4e24\u4e2a\u53c2\u6570\u7684\u5927\u5c0f\u3002<\/p>\n

      \u9664\u6b64\u4e4b\u5916\uff0cRedis\u8fd8\u6709\u5f88\u591a\u5176\u4ed6\u7684\u914d\u7f6e\u53c2\u6570\uff0c\u6839\u636e\u5b9e\u9645\u9700\u6c42\u8fdb\u884c\u9488\u5bf9\u6027\u7684\u8bbe\u7f6e\u3002<\/p>\n

        \n
      1. \u6570\u636e\u67b6\u6784\u4f18\u5316<\/li>\n<\/ol>\n

        Redis\u652f\u6301\u591a\u79cd\u6570\u636e\u7ed3\u6784\uff0c\u5305\u62ec\u5b57\u7b26\u4e32\u3001\u5217\u8868\u3001\u54c8\u5e0c\u8868\u3001\u96c6\u5408\u3001\u6392\u5e8f\u96c6\u5408\u7b49\uff0c\u800c\u4e0d\u540c\u7684\u6570\u636e\u7ed3\u6784\u5728\u4e0d\u540c\u7684\u5e94\u7528\u573a\u666f\u4e0b\u9700\u8981\u4e0d\u540c\u7684\u6027\u80fd\u8868\u73b0\u3002<\/p>\n

        \u5728\u5b9e\u9645\u4f7f\u7528Redis\u65f6\uff0c\u5e94\u8be5\u6839\u636e\u5177\u4f53\u7684\u4e1a\u52a1\u9700\u6c42\uff0c\u9009\u62e9\u5408\u9002\u7684\u6570\u636e\u7ed3\u6784\uff0c\u5e76\u4e14\u5728\u4f7f\u7528\u65f6\uff0c\u5e94\u8be5\u5408\u7406\u7ec4\u5408\u4f7f\u7528\u5404\u79cd\u6570\u636e\u7ed3\u6784\uff0c\u4ee5\u8fbe\u5230\u66f4\u9ad8\u7684\u6027\u80fd\u548c\u6548\u7387\u3002<\/p>\n

        \u53e6\u5916\uff0c\u5728\u6bcf\u4e2a\u6570\u636e\u7ed3\u6784\u7684\u5b9e\u73b0\u4e2d\uff0cRedis\u90fd\u4e3a\u6211\u4eec\u63d0\u4f9b\u4e86\u975e\u5e38\u4f18\u79c0\u7684API\uff0c\u6bd4\u5982\u5b57\u7b26\u4e32\u7c7b\u578b\u7684mget\u3001set\u3001incr\u3001decr\u3001getset\u7b49\u547d\u4ee4\uff0c\u8fd8\u5305\u62ec\u5217\u8868\u7c7b\u578b\u7684lpush\u3001rpush\u3001lpop\u3001rpop\u7b49\u547d\u4ee4\uff0c\u4ee5\u53ca\u54c8\u5e0c\u8868\u7c7b\u578b\u7684hset\u3001hget\u3001hdel\u7b49\u547d\u4ee4\u7b49\u3002\u4f7f\u7528\u8fd9\u4e9bAPI\u4e0d\u4f46\u53ef\u4ee5\u6781\u5927\u5730\u51cf\u5c11\u4e1a\u52a1\u4ee3\u7801\u7684\u590d\u6742\u5ea6\uff0c\u8fd8\u53ef\u4ee5\u9ad8\u6548\u5730\u64cd\u4f5c\u6570\u636e\uff0c\u63d0\u9ad8Redis\u7684\u6027\u80fd\u3002\u9700\u8981\u6839\u636e\u5b9e\u9645\u9700\u6c42\u5408\u7406\u9009\u7528\u8fd9\u4e9bAPI\u3002<\/p>\n

          \n
        1. \u5e94\u7528\u7a0b\u5e8f\u4f18\u5316<\/li>\n<\/ol>\n

          Redis\u6027\u80fd\u4f18\u5316\u4e0d\u4ec5\u4ec5\u4f9d\u8d56\u4e8e\u786c\u4ef6\u548c\u914d\u7f6e\u4f18\u5316\uff0c\u8fd8\u9700\u8981\u5728\u5e94\u7528\u7a0b\u5e8f\u5c42\u9762\u4e0a\u5bf9Redis\u7684\u8bbf\u95ee\u8fdb\u884c\u4f18\u5316\uff0c\u51cf\u5c11\u4e0d\u5fc5\u8981\u7684\u7f51\u7edc\u901a\u8baf\u548cIO\u64cd\u4f5c\u3002<\/p>\n

          \u5728\u5e94\u7528\u7a0b\u5e8f\u5f00\u53d1\u8fc7\u7a0b\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u51e0\u70b9\u6765\u5bf9Redis\u8fdb\u884c\u4f18\u5316\u3002<\/p>\n

          4.1 \u5408\u5e76\u591a\u4e2a\u547d\u4ee4<\/p>\n

          \u5408\u5e76\u591a\u4e2a\u547d\u4ee4\u53ef\u4ee5\u51cf\u5c11IO\u64cd\u4f5c\uff0c\u964d\u4f4e\u7f51\u7edc\u5ef6\u8fdf\uff0c\u63d0\u9ad8Redis\u5ba2\u6237\u7aef\u7684\u8bbf\u95ee\u6027\u80fd\u3002\u6bd4\u5982\u53ef\u4ee5\u5c06\u591a\u4e2aset\u64cd\u4f5c\u5408\u5e76\u4e3a\u4e00\u4e2aset\u547d\u4ee4\uff0c\u5c06\u591a\u4e2aget\u64cd\u4f5c\u5408\u5e76\u4e3a\u4e00\u4e2amget\u547d\u4ee4\uff0c\u7b49\u7b49\u3002<\/p>\n

          4.2 \u4f7f\u7528Redis\u4e8b\u52a1<\/p>\n

          \u4f7f\u7528Redis\u4e8b\u52a1\u53ef\u4ee5\u7b80\u5316\u590d\u6742\u7684\u4e1a\u52a1\u6d41\u7a0b\uff0c\u540c\u65f6\u63d0\u9ad8Redis\u7684\u6267\u884c\u6548\u7387\u3002Redis\u4e8b\u52a1\u662f\u4e00\u7ec4\u547d\u4ee4\u7684\u96c6\u5408\uff0c\u8981\u4e48\u4e00\u8d77\u6210\u529f\uff0c\u8981\u4e48\u4e00\u8d77\u5931\u8d25\uff0c\u8fd9\u6837\u53ef\u4ee5\u907f\u514d\u4e2d\u95f4\u51fa\u73b0\u5f02\u5e38\u60c5\u51b5\u5bfc\u81f4\u6570\u636e\u4e0d\u4e00\u81f4\u7684\u95ee\u9898\u3002<\/p>\n

          4.3 \u4f7f\u7528Redis Pipeline<\/p>\n

          Redis Pipeline\u662f\u4e00\u79cd\u7279\u6b8a\u7684\u6d41\u63a7\u5236\u65b9\u6cd5\uff0c\u53ef\u4ee5\u5728\u5ba2\u6237\u7aef\u6267\u884c\u591a\u4e2a\u547d\u4ee4\u540e\uff0c\u4e00\u6b21\u6027\u5c06\u7ed3\u679c\u8fd4\u56de\u7ed9\u5ba2\u6237\u7aef\u3002\u8fd9\u6837\u53ef\u4ee5\u5927\u91cf\u51cf\u5c11\u7f51\u7edc\u901a\u8baf\u65f6\u4f20\u8f93\u7684\u5305\u6570\u76ee\uff0c\u4ece\u800c\u63d0\u9ad8Redis\u7684\u6027\u80fd\u3002\u901a\u5e38\u6765\u8bf4\uff0c\u4f7f\u7528Pipeline\u6bd4\u76f4\u63a5\u53d1\u9001\u547d\u4ee4\u53ef\u63d0\u9ad810-30\u500d\u7684\u6027\u80fd\u3002<\/p>\n

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