{"id":201577,"date":"2025-05-10T09:54:09","date_gmt":"2025-05-10T01:54:09","guid":{"rendered":"https:\/\/server.hk\/cnblog\/201577\/"},"modified":"2025-05-10T09:54:09","modified_gmt":"2025-05-10T01:54:09","slug":"redis%e6%80%a7%e8%83%bd%e4%bc%98%e5%8c%96%e4%b9%8b%e7%94%9f%e4%ba%a7%e4%b8%ad%e5%ae%9e%e9%99%85%e9%81%87%e5%88%b0%e7%9a%84%e9%97%ae%e9%a2%98%e5%8f%8a%e6%8e%92%e6%9f%a5%e6%80%bb%e7%bb%93","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/201577\/","title":{"rendered":"redis\u6027\u80fd\u4f18\u5316\u4e4b\u751f\u4ea7\u4e2d\u5b9e\u9645\u9047\u5230\u7684\u95ee\u9898\u53ca\u6392\u67e5\u603b\u7ed3"},"content":{"rendered":"

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

redis\u6027\u80fd\u4f18\u5316\u4e4b\u751f\u4ea7\u4e2d\u5b9e\u9645\u9047\u5230\u7684\u95ee\u9898\u53ca\u6392\u67e5\u603b\u7ed3<\/h1>\n

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

\u4ece\u73b0\u5728\u5f00\u59cb\uff0c\u52aa\u529b\u5b66\u4e60\u5427\uff01\u672c\u6587\u300aredis\u6027\u80fd\u4f18\u5316\u4e4b\u751f\u4ea7\u4e2d\u5b9e\u9645\u9047\u5230\u7684\u95ee\u9898\u53ca\u6392\u67e5\u603b\u7ed3\u300b<\/span>\u4e3b\u8981\u8bb2\u89e3\u4e86redis\u6027\u80fd\u4f18\u5316\u3001\u751f\u4ea7<\/span>\u7b49\u7b49\u76f8\u5173\u77e5\u8bc6\u70b9\uff0c\u6211\u4f1a\u5728golang\u5b66\u4e60\u7f51\u4e2d\u6301\u7eed\u66f4\u65b0\u76f8\u5173\u7684\u7cfb\u5217\u6587\u7ae0\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u5e76\u79ef\u6781\u7559\u8a00\u5efa\u8bae\u3002\u4e0b\u9762\u5c31\u5148\u4e00\u8d77\u6765\u770b\u4e00\u4e0b\u672c\u7bc7\u6b63\u6587\u5185\u5bb9\u5427\uff0c\u5e0c\u671b\u80fd\u5e2e\u5230\u4f60\uff01<\/p>\n

\u80cc\u666f<\/h2>\n

redis-K,V\u6570\u636e\u5e93\uff0c\u56e0\u5176\u9ad8\u6027\u80fd\u7684\u64cd\u4f5c\u6027\u548c\u652f\u6301\u4e30\u5bcc\u7684\u6570\u636e\u7ed3\u6784\uff0c\u76ee\u524d\u5927\u91cf\u88ab\u7528\u4e8e\u8854\u63a5\u5e94\u7528\u5c42\u548c\u5173\u7cfb\u6570\u636e\u5e93\u4e2d\u95f4\u7684\u7f13\u5b58\u5c42\u3002<\/p>\n

\u968f\u7740\u4f7f\u7528\u7684\u573a\u666f\u8d8a\u6765\u8d8a\u591a\uff0c\u548c\u6570\u636e\u91cf\u5feb\u901f\u7684\u9012\u589e\uff0c\u5728\u751f\u4ea7\u73af\u5883\u4e2d\u7ecf\u5e38\u4f1a\u9047\u5230\u76f8\u5173\u7684\u6027\u80fd\u74f6\u9888\u95ee\u9898\u3002<\/p>\n

\u8fd9\u65f6\u5019\u5c31\u9700\u8981\u501f\u52a9\u4e00\u4e9b\u5916\u90e8\u7684\u624b\u6bb5\u6765\u5206\u6790\u74f6\u9888\u6839\u6e90\u5728\u54ea\uff0c\u5bf9\u75c7\u4e0b\u836f\u63d0\u5347\u6027\u80fd\u3002<\/p>\n

\u5e38\u89c1\u6027\u80fd\u95ee\u9898\u53ca\u95ee\u9898\u5206\u6790\u8fc7\u7a0b<\/h2>\n

1\u3001\u751f\u4ea7\u7cfb\u7edf\u521a\u5f00\u59cb\u8fd0\u884c\u9636\u6bb5\uff0c\u7cfb\u7edf\u7a33\u5b9a\u3002\u4f46\u662f\u8fd0\u884c\u4e00\u6bb5\u65f6\u95f4\u540e\uff0c\u53d1\u73b0\u90e8\u5206\u65f6\u95f4\u6bb5\u7cfb\u7edf\u63a5\u53e3\u54cd\u5e94\u53d8\u6162\u3002\u67e5\u770b\u5ba2\u6237\u7aef\u65e5\u5fd7\u7ecf\u5e38\u4f1a\u51fa\u73b0\u8fd9\u6837\u7684\u9519\u8bef\uff1a<\/p>\n

\n

redis.clients.jedis.exceptions.JedisConnectionException: java.net.SocketTimeoutException: Read timed out\u3002<\/p>\n<\/blockquote>\n

2\u3001\u751f\u4ea7\u73af\u5883\u957f\u65f6\u95f4\u7684\u8fd0\u884c\u540e\uff0c\u7ecf\u5e38\u4f1a\u6709\u63a5\u53e3\u8fd4\u56de\u6570\u636e\u5931\u8d25\u7684\u60c5\u51b5\uff0c\u6216\u8005\u662f\u4ece\u76d1\u63a7\u4e0a\u53d1\u73b0\u6570\u636e\u5e93\u538b\u529b\u67d0\u4e00\u65f6\u95f4\u66b4\u589e\u3002\u67e5\u770b\u5ba2\u6237\u7aef\u65e5\u5fd7\u53d1\u73b0\u8fd9\u6837\u7684\u9519\u8bef\uff1a<\/p>\n

\n

redis.clients.jedis.exceptions.JedisConnectionException: Could not get a resource from the pool<\/p>\n<\/blockquote>\n

3\u3001\u7a81\u7136\u95f4\u670d\u52a1\u4e0d\u80fd\u8bbf\u95ee\uff0c\u8fd4\u56de\u9519\u8bef\uff1a<\/p>\n

\n

redis.clients.jedis.exceptions.JedisDataException: MISCONF Redis is configured to save RDB snapshots, but is currently not able to persist on disk. Commands that may modify the data set are disabled. Please check Redis logs for details about the error.<\/p>\n<\/blockquote>\n

\u5f53\u7136\u5728\u5b9e\u9645\u751f\u4ea7\u60c5\u51b5\u4e2d\uff0c\u8fd8\u6709\u5404\u79cd\u5404\u6837\u7684\u5f02\u5e38\u60c5\u51b5\uff0c\u4f46\u662f\u5728\u5ba2\u6237\u7aef\u666e\u904d\u8868\u73b0\u4e3a\u4e0a\u9762\u51e0\u79cd\u573a\u666f\uff0c\u4e0b\u9762\u6211\u4eec\u6765\u4e00\u6b65\u6b65\u5206\u6790\u4e0a\u9762\u7684\u95ee\u9898\u3002<\/p>\n

\u95ee\u9898\u4e00<\/h3>\n

\u9996\u5148\u4ece\u5ba2\u6237\u7aef\u53cd\u9988\u7684\u65e5\u5fd7\uff0c\u6000\u7591\u662f\u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef\u95f4\u7684\u7f51\u7edc\u95ee\u9898\u3002\u4e3a\u6392\u9664\u8fd9\u4e2a\u95ee\u9898\uff0c\u6211\u4eec\u7f16\u5199\u811a\u672c\uff0c\u5728\u5ba2\u6237\u7aef\u5b9a\u65f6ping\u670d\u52a1\u7aef\uff08redis\u670d\u52a1\uff09\uff0c\u6301\u7eed\u8fd0\u884c\u4e00\u6bb5\u540e\uff0c\u53d1\u73b0\u672a\u6709\u4e22\u5305\u7684\u60c5\u51b5\uff0c\u6392\u9664\u7f51\u7edc\u95ee\u9898\u3002<\/p>\n

\u67e5\u770bredis\u670d\u52a1\u7aef\u65e5\u5fd7\uff0c\u672a\u53d1\u73b0\u6709\u5f02\u5e38\u60c5\u51b5\u3002\u67e5\u770bredis\u670d\u52a1\u5668\u8d44\u6e90\u76d1\u63a7\uff0c\u53d1\u73b0\u6bcf\u51e0\u5206\u949f\u5de6\u53f3\uff0cIO\u4f1a\u6709\u4e00\u6ce2\u5cf0\u503c\uff0c\u4f46\u662fCPU\u548c\u5e26\u5bbd\u538b\u529b\u90fd\u5728\u6b63\u5e38\u8303\u56f4\u3002<\/p>\n

\u8fd9\u91cc\u4ecb\u7ecd\u4e0b\u6211\u4eec\u7684redis\u90e8\u7f72\u6a21\u5f0f\uff1a\u4e00\u4e3b\u4e00\u4ece\u901a\u8fc7redis\u81ea\u5e26\u7684sentinal\u505aHA\uff0c\u4e3b\u4ece\u5747\u6709\u5f00\u542f\u6301\u4e45\u5316\u3002\u521d\u6b65\u6000\u7591\u95f4\u9694\u6027IO\u64cd\u4f5c\u5360\u7528\u8d44\u6e90\u5bfc\u81f4redis\u8bfb\u5199\u53d8\u6162(\u5728\u6b64\uff0c\u629b\u51fa\u4e00\u4e2a\u95ee\u9898\uff1a\u5728\u670d\u52a1\u5668\u8d44\u6e90CPU\u548c\u5e26\u5bbd\u5747\u672a\u8fbe\u5230\u74f6\u9888\u7684\u60c5\u51b5\u4e0b\uff0c\u6301\u7eed\u7684IO\u9ad8\u5cf0\u64cd\u4f5c\u662f\u5426\u4f1a\u5f71\u54cd\u7269\u7406\u5185\u5b58\u7684\u8bfb\u5199\uff09\u3002\u63a5\u4e0b\u6765\u91c7\u53d6\u7684\u63aa\u65bd\u662f\uff1a\u5173\u95ed\u4e3b\u5e93\u7684\u6301\u4e45\u5316\uff0c\u7528\u4ece\u5e93\u6765\u505a\u6301\u4e45\u5316\uff0c\u4f46\u662f\u8fd9\u79cd\u6a21\u5f0f\u4e0b\u5b58\u5728\u4e00\u4e2a\u95ee\u9898\uff0c\u5982\u679c\u4e3b\u53d1\u751f\u6545\u969c\uff0csentinal\u505a\u4e3b\u4ece\u5207\u6362\u540e\u95ee\u9898\u540c\u6837\u5b58\u5728\uff0c\u5927\u5bb6\u6709\u66f4\u597d\u7684\u5efa\u8bae\u53ef\u4ee5\u6307\u70b9\u4e0b\u3002<\/p>\n

\u8fd0\u884c\u4e00\u6bb5\u65f6\u5019\uff0c\u53d1\u73b0\u95ee\u9898\u6709\u6240\u6539\u5584\uff0c\u4f46\u662f\u4f9d\u7136\u8fd8\u662f\u4f1a\u6709time out\u7684\u60c5\u51b5\uff0c\u53ea\u6709\u7ee7\u7eed\u6392\u67e5\u95ee\u9898\u3002\u7531\u4e8eredis\u64cd\u4f5c\u91c7\u7528\u5355\u7ebf\u7a0b\uff0c\u8003\u8651\u4f1a\u4e0d\u4f1a\u6709\u67d0\u4e9b\u6162\u67e5\u8be2\u5bfc\u81f4time out\u3002\u6267\u884cslowlog\u67e5\u770b\u6162\u67e5\u8be2\u8bed\u53e5\uff0c\u53d1\u73b0\u6709\u5927\u91cf\u7684keys\u547d\u4ee4\u64cd\u4f5c\uff0ckeys\u547d\u4ee4\u5728\u5927\u91cf\u5e76\u53d1\u60c5\u51b5\u4e0b\u6027\u80fd\u975e\u5e38\u5dee\uff0c\u7ed3\u5408\u5b98\u65b9\u7ed9\u51fa\u7684warning<\/p>\n

<\/p>\n

\u6b63\u5f0f\u73af\u5883\u4e2d\uff0c\u5c3d\u91cf\u907f\u514d\u4f7f\u7528keys\uff0c\u63a5\u4e0b\u6765\u627e\u51fa\u4f7f\u7528keys\u7684\u4ee3\u7801\u505a\u4f18\u5316\uff0c\u81f3\u6b64\uff0ctime out\u95ee\u9898\u89e3\u51b3\u3002<\/p>\n

\u95ee\u9898\u4e8c<\/h3>\n

\u4ece\u9519\u8bef\u65e5\u5fd7\u770b\uff0c\u662f\u63d0\u793a\u65e0\u6cd5\u83b7\u53d6\u8fde\u63a5\u3002\u6709\u4e24\u79cd\u60c5\u51b5\uff1a<\/p>\n

1\u3001\u5ba2\u6237\u7aef\u7684\u8fde\u63a5\u6c60\u6ee1\u4e86\uff0c\u65e0\u6cd5\u521b\u5efa\u65b0\u7684\u8fde\u63a5<\/p>\n

\u68c0\u67e5\u5ba2\u6237\u7aef\u8fde\u63a5\u6700\u5927\u9650\u5236maxActive\u662f\u5426\u8db3\u591f<\/p>\n

2\u3001redis\u670d\u52a1\u7aef\u8fde\u63a5\u6ea2\u51fa\uff0c\u65e0\u6cd5\u5206\u914d\u65b0\u7684\u8fde\u63a5<\/p>\n

\u68c0\u67e5\u670d\u52a1\u7aeftcp\u8fde\u63a5\uff1anetstat -nat|grep -i “6379”|wc -l<\/p>\n

\u68c0\u67e5\u670d\u52a1\u7aef\u8fde\u63a5\u662f\u5426\u8fbe\u5230\u6700\u5927\u503c\uff1a\u67e5\u770b\u670d\u52a1\u7aef\u652f\u6301\u7684\u6700\u5927\u8fde\u63a5\uff1aCONFIG GET maxclients\uff0c\u67e5\u770b\u5f53\u524d\u670d\u52a1\u7aef\u5efa\u7acb\u7684   \u8fde\u63a5\uff1aconnected_clients<\/p>\n

\u901a\u8fc7\u4e0a\u8ff0\u68c0\u67e5\u540e\uff0c\u53d1\u73b0redis\u670d\u52a1\u7aefconnected_clients\u8fde\u63a5\u6570\u6301\u7eed\u8fc7\u9ad8\uff0c\u7ecf\u5e38\u5728\u6700\u5927\u503c\u5f98\u5f8a\u3002\u4f46\u662f\u7ed3\u5408\u5ba2\u6237\u7aef\u914d\u7f6e\u7684\u6700\u5927\u8fde\u63a5\u914d\u7f6emaxActive\uff0c\u8ba1\u7b97\u51fa\u6240\u6709\u5ba2\u6237\u7aef\u8fde\u63a5\u5360\u6ee1\u7684\u60c5\u51b5\u4e0b\u6700\u5927\u7684\u8fde\u63a5\u6570\u4e5f\u8fbe\u4e0d\u5230connected_clients\u7684\u8fde\u63a5\u6570\u3002<\/p>\n

\u6267\u884cclient list\u547d\u4ee4\uff0c\u53d1\u73b0\u5927\u91cf\u7684client\u7684idle\u65f6\u95f4\u7279\u522b\u957f\uff1a<\/p>\n

<\/p>\n

\u6b63\u5e38\u7684client\u8fde\u63a5\uff0c\u5728\u6301\u7eed\u4f7f\u7528\u7684\u60c5\u51b5\u4e0b\uff0c\u662f\u4e0d\u53ef\u80fd\u7a7a\u95f2\u8fd9\u4e48\u957f\u65f6\u95f4\uff0c\u8fde\u63a5\u957f\u65f6\u95f4\u7a7a\u95f2\uff0c\u5ba2\u6237\u7aef\u4e5f\u4f1a\u5173\u95ed\u8fde\u63a5\u3002<\/p>\n

\u67e5\u770bredis\u670d\u52a1\u7aef\u4e0b\u9762\u4e24\u9879\u914d\u7f6e\uff1a<\/p>\n

    \n
  • timeout<\/code>\uff1aclient\u8fde\u63a5\u7a7a\u95f2\u591a\u4e45\u4f1a\u88ab\u5173\u95ed\uff08\u8fd9\u4e2a\u914d\u7f6e\u5bb9\u6613\u88ab\u8bef\u5bfc\u4e3a\uff1a\u8fde\u63a5\u8d85\u65f6\u548c\u64cd\u4f5c\u6267\u884c\u8d85\u65f6\uff09<\/li>\n
  • tcp-keepalive<\/code>\uff1aredis\u670d\u52a1\u7aef\u4e3b\u52a8\u5411\u7a7a\u95f2\u7684\u5ba2\u6237\u7aef\u53d1\u8d77ack\u8bf7\u6c42\uff0c\u4ee5\u5224\u65ad\u8fde\u63a5\u662f\u5426\u6709\u6548<\/li>\n<\/ul>\n

    \u68c0\u67e5\u4e0a\u8ff0\u914d\u7f6e\u53d1\u73b0 timeout\u548ctcp-keepalive\u5747\u672a\u542f\u7528\uff08\u5747\u4e3a0\uff09\uff0c\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0credis\u670d\u52a1\u7aef\u6ca1\u6709\u6709\u6548\u7684\u673a\u5236\u6765\u786e\u4fdd\u670d\u52a1\u7aef\u5df2\u7ecf\u5efa\u7acb\u7684\u8fde\u63a5\u662f\u5426\u5df2\u7ecf\u5931\u6548\u3002\u5f53\u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef\u7f51\u7edc\u51fa\u73b0\u95ea\u65ad\uff0c\u5bfc\u81f4tcp\u8fde\u63a5\u4e2d\u65ad\uff0c\u8fd9\u79cd\u60c5\u51b5\u4e0b\u7684client\u5c06\u4f1a\u4e00\u76f4\u88abredis\u670d\u52a1\u7aef\u6240\u6301\u6709\uff0c\u5c31\u4f1a\u51fa\u73b0\u4e0a\u9762\u6211\u4eec\u770b\u5230\u7684idle\u65f6\u95f4\u7279\u957f\u7684client\u8fde\u63a5\u3002<\/p>\n

    \u63a5\u4e0b\u6765\u8bbe\u7f6etimeout\u548ctcp-keepalive\u6765\u6e05\u7406\u5931\u6548\u7684\u8fde\u63a5\u3002<\/p>\n

    \u4e0a\u9762\u95ee\u9898\u4e2d\u63d0\u5230\u7684\u6570\u636e\u5e93\u67d0\u4e00\u65f6\u95f4\u538b\u529b\u66b4\u589e\uff0c\u662f\u7531\u4e8e\u5728\u7f13\u5b58\u6a21\u5f0f\u4e0b\uff0credis\u8bf7\u6c42\u5931\u8d25\uff0c\u8bf7\u6c42\u7684\u538b\u529b\u77ac\u95f4\u96c6\u4e2d\u5230\u6570\u636e\u5e93\u3002<\/p>\n

    \u95ee\u9898\u4e09<\/h3>\n

    \u4ece\u9519\u8bef\u63d0\u793a\uff0c\u53ef\u4ee5\u770b\u51fa\u662f\u5411\u78c1\u76d8\u4fdd\u5b58\u6570\u636e\u5931\u8d25\u3002\u5f15\u8d77\u8fd9\u4e2a\u95ee\u9898\u7684\u539f\u56e0\u4e00\u822c\u662f\u5185\u5b58\u4e0d\u8db3\uff0c\u4f46\u662f\u751f\u4ea7\u73af\u5883\u6211\u4eec\u4e00\u822c\u90fd\u4f1a\u4e3a\u7cfb\u7edf\u5206\u914d\u8db3\u591f\u7684\u5185\u5b58\u8fd0\u884c\uff0c\u800c\u4e14\u67e5\u770b\u5185\u5b58\u60c5\u51b5\u4e5f\u663e\u793a\u8fd8\u6709\u53ef\u7528\u5185\u5b58\u3002<\/p>\n

    \u67e5\u770bredis\u65e5\u5fd7\uff0c\u53d1\u73b0\u6709\u8fd9\u4e2a\u9519\u8bef\uff1aCan\u2019t save in background: fork: Cannot allocate memory<\/strong><\/p>\n

    redis\u5728\u4fdd\u5b58\u5185\u5b58\u7684\u6570\u636e\u5230\u78c1\u76d8\u65f6\uff0c\u4e3a\u4e86\u9632\u6b62\u4e3b\u8fdb\u7a0b\u5047\u6b7b\uff0c\u4f1aFork\u4e00\u4e2a\u5b50\u8fdb\u7a0b\u6765\u5b8c\u6210\u8fd9\u4e2a\u4fdd\u5b58\u64cd\u4f5c\u3002\u4f46\u662f\u8fd9\u4e2aFork\u7684\u5b50\u8fdb\u7a0b\u4f1a\u9700\u8981\u5206\u914d\u548c\u4e3b\u8fdb\u7a0b\u76f8\u540c\u7684\u5185\u5b58\uff0c\u8fd9\u65f6\u5019\u5c31\u76f8\u5f53\u4e8e\u9700\u8981\u7684\u5185\u5b58double\u4e86\uff0c\u5982\u679c\u8fd9\u65f6\u5019\u53ef\u7528\u5185\u5b58\u4e0d\u8db3\u4ee5\u5206\u914d\u9700\u8981\u7684\u5185\u5b58\uff0c\u5c06\u4f1a\u5bfc\u81f4Fock\u5b50\u8fdb\u7a0b\u5931\u8d25\u800c\u65e0\u6cd5\u4fdd\u5b58\u6570\u636e\u5230\u78c1\u76d8\u3002<\/p>\n

    \u4fee\u6539linux\u5185\u6838\u53c2\u6570\uff1avm.overcommit_memory=1\u3002\u81f3\u6b64\uff0c\u95ee\u9898\u89e3\u51b3\u3002<\/p>\n

    overcommit_memory\u6709\u4e09\u79cd\u53d6\u503c\uff1a0\uff0c 1\uff0c 2<\/p>\n

      \n
    • 0\uff1a:\u68c0\u67e5\u662f\u5426\u6709\u8db3\u591f\u7684\u53ef\u7528\u5185\u5b58\u4f9b\u8fdb\u7a0b\u4f7f\u7528\uff1b\u6709\u5219\u5141\u8bb8\u7533\u8bf7\uff0c\u5426\u5219\uff0c\u5185\u5b58\u7533\u8bf7\u5931\u8d25\uff0c\u5e76\u628a\u9519\u8bef\u8fd4\u56de\u7ed9\u5e94\u7528\u8fdb\u7a0b\uff1b<\/li>\n
    • 1\uff1a\u8868\u793a\u5185\u6838\u5141\u8bb8\u5206\u914d\u6240\u6709\u7684\u7269\u7406\u5185\u5b58\uff0c\u800c\u4e0d\u7ba1\u5f53\u524d\u7684\u5185\u5b58\u72b6\u6001\u5982\u4f55\uff1b<\/li>\n
    • 2\uff1a\u8868\u793a\u5185\u6838\u5141\u8bb8\u5206\u914d\u8d85\u8fc7\u6240\u6709\u7269\u7406\u5185\u5b58\u548c\u4ea4\u6362\u7a7a\u95f4\u603b\u548c\u7684\u5185\u5b58\u3002<\/li>\n<\/ul>\n

      \u4f18\u5316\u63aa\u65bd\u603b\u7ed3<\/h2>\n

      1\u3001\u7ed3\u5408\u5b9e\u9645\u4f7f\u7528\u573a\u666f\uff0c\u8003\u8651\u662f\u5426\u9700\u8981\u7528\u5230redis\u7684\u6301\u4e45\u5316\uff0c\u5982\u679c\u5355\u7eaf\u7528\u6765\u505a\u5e94\u7528\u5c42\u7684\u7f13\u5b58\uff08\u5728\u7f13\u5b58\u672a\u547d\u4e2d\u7684\u60c5\u51b5\u4e0b\u8bbf\u95ee\u6570\u636e\u5e93\uff09\uff0c\u53ef\u4ee5\u5173\u95ed\u6301\u4e45\u5316\u3002<\/p>\n

      2\u3001\u7f13\u5b58\u6a21\u5f0f\u4e0b\uff0c\u5c3d\u91cf\u4e3a\u6bcf\u5757\u7f13\u5b58\u8bbe\u7f6e\u65f6\u6548\u6027\uff0c\u907f\u514d\u51b7\u6570\u636e\u957f\u65f6\u95f4\u5360\u7528\u8d44\u6e90\u3002<\/p>\n

      3\u3001\u751f\u4ea7\u73af\u5883\u4e2d\u5c3d\u91cf\u907f\u514d\u4f7f\u7528keys\u64cd\u4f5c\uff0c\u7531\u4e8eredis\u662f\u5355\u7ebf\u7a0b\u6a21\u5f0f\uff0c\u5927\u91cf\u7684keys\u64cd\u4f5c\u4f1a\u963b\u585e\u5176\u4ed6\u7684\u547d\u4ee4\u6267\u884c\u3002<\/p>\n

      4\u3001\u8bbe\u7f6e\u5408\u7406\u7684\u5185\u5b58\u56de\u6536\u7b56\u7565\uff0c\u4fdd\u8bc1\u5185\u5b58\u53ef\u7528\u6027\u7684\u540c\u65f6\u80fd\u9002\u5f53\u7684\u63d0\u4f9b\u7f13\u5b58\u7684\u547d\u4e2d\u7387\u3002<\/p>\n

      5\u3001\u63d0\u524d\u8ba1\u7b97\u51fa\u7cfb\u7edf\u53ef\u80fd\u4f1a\u7528\u7684\u5185\u5b58\u5927\u5c0f\uff0c\u5408\u7406\u7684\u5206\u914d\u5185\u5b58\u3002\u9700\u8981\u6ce8\u610f\u5728\u5f00\u542f\u6301\u4e45\u5316\u6a21\u5f0f\u4e0b\uff0c\u9700\u8981\u9884\u7559\u66f4\u591a\u7684\u5185\u5b58\u63d0\u4f9b\u7ed9Fock\u7684\u5b50\u8fdb\u7a0b\u505a\u6570\u636e\u78c1\u76d8flush\u64cd\u4f5c\u3002<\/p>\n

      \u6df1\u5165\u63a2\u8ba8\u7814\u7a76<\/h2>\n

      \u5982\u679credis\u670d\u52a1\u7aef\u672a\u8bbe\u7f6etimeout\uff0c\u5ba2\u6237\u7aef\u4f1a\u5982\u4f55\u5904\u7406\u957f\u65f6\u95f4\u672a\u4f7f\u7528\u7684\u8fde\u63a5\uff1f<\/p>\n

      \u8fd9\u4e2a\u95ee\u9898\u53ef\u4ee5\u4ece\u5206\u6790redis\u7684sdk\u6e90\u7801\u67e5\u627e\u7b54\u6848\uff0c\u4e0d\u8fc7\u8fd9\u4e2a\u8fc7\u7a0b\u4f1a\u6bd4\u8f83\u67af\u71e5\u3002<\/p>\n

      \u63a5\u4e0b\u6765\u6211\u4eec\u76f4\u63a5\u901a\u8fc7\u6293\u53d6\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u7aef\u7684tcp\u6570\u636e\u5305\u6765\u83b7\u53d6\u7b54\u6848\uff1a<\/p>\n

      \u8fd9\u91cc\u6211\u7528wireshark\u6765\u6293\u53d6\u4e2d\u95f4\u7684tcp\u6570\u636e\u5305\uff0c\u4e0b\u9762\u662f\u6293\u53d6\u4e86\u4e00\u4e2a\u5b8c\u6574\u7684redis\u8fde\u63a5\uff08\u4ece\u53d1\u8d77\u5230\u7ed3\u675f\uff09\u7684tcp\u6570\u636e\u5305<\/p>\n

      <\/p>\n

      \u4ece\u4e0a\u9762\u53ef\u4ee5\u770b\u5230\uff0c\u4ecetcp3\u6b21\u63e1\u624b\u5efa\u7acb\u8fde\u63a5\uff0c\u5230\u6700\u540e\u5ba2\u6237\u7aef\u53d1\u9001reset\u5305\u7ed9\u670d\u52a1\u7aef\u7ec8\u6b62\u4e86\u8fd9\u4e2a\u8fde\u63a5\u3002<\/p>\n

      \u8ffd\u8e2a\u6574\u4e2atcp\u7684\u6570\u636e\u6d41\uff1a<\/p>\n

      *2$4AUTH$8password+OK*1$4PING+PONG*1$4PING+PONG*1$4QUIT+OK<\/pre>\n
      \u4ecetcp\u6570\u636e\u6d41\u53ef\u4ee5\u770b\u51fa\uff0c\u6574\u4e2atcp\u8fde\u63a5\u4e2d\u95f4\u7ecf\u5386\u7684\u64cd\u4f5c\uff1a<\/p>\n
      1\u3001\u5ba2\u6237\u7aef\u53d1\u9001\u5bc6\u7801\u5efa\u7acb\u8fde\u63a5\uff0c\u670d\u52a1\u7aef\u54cd\u5e94OK<\/p>\n
      2\u3001\u5ba2\u6237\u7aef\u53d1\u9001PING\u547d\u4ee4\u6821\u9a8c\u8fde\u63a5\uff0c\u670d\u52a1\u7aef\u54cd\u5e94PONG\u8868\u793a\u6210\u529f<\/p>\n
      3\u3001\u5ba2\u6237\u7aef\u518d\u6b21\u53d1\u9001PING\u547d\u4ee4\u6821\u9a8c\u8fde\u63a5\uff0c\u670d\u52a1\u7aef\u54cd\u5e94PONG\u8868\u793a\u6210\u529f<\/p>\n
      4\u3001\u5ba2\u6237\u7aef\u53d1\u9001QUIT\u547d\u4ee4\u9000\u51fa\u8fde\u63a5\uff0c\u670d\u52a1\u7aef\u54cd\u5e94OK\u8868\u793a\u9000\u51fa\u6210\u529f<\/p>\n
      \u5f53\u670d\u52a1\u7aef\u54cd\u5e94QUIT\u547d\u4ee4OK\u540e\uff0c\u5ba2\u6237\u7aef\u53d1\u9001RESET\u7684tcp\u5305\u7ec8\u6b62\u6574\u4e2atcp\u8fde\u63a5\u3002\u4e2d\u95f4\u5ba2\u6237\u7aef\u53d1\u8d77\u4e86\u4e24\u6b21PING\u547d\u4ee4\u6821\u9a8c\u8fde\u63a5\u548c\u4e00\u6b21QUIT\u547d\u4ee4\u6765\u9000\u51fa\u8fde\u63a5\uff0c\u6bcf\u6b21\u95f4\u969430s\uff0c\u52a0\u8d77\u6765\u6574\u4e2a\u8fde\u63a5\u5b58\u6d3b\u4e8690s\u3002<\/p>\n
      \u603b\u7ed3<\/h2>\n
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      redis\u6027\u80fd\u4f18\u5316\u4e4b\u751f\u4ea7\u4e2d\u5b9e\u9645\u9047...<\/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-201577","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201577","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=201577"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201577\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=201577"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=201577"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=201577"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}