{"id":201680,"date":"2025-05-10T11:24:58","date_gmt":"2025-05-10T03:24:58","guid":{"rendered":"https:\/\/server.hk\/cnblog\/201680\/"},"modified":"2025-05-10T11:24:58","modified_gmt":"2025-05-10T03:24:58","slug":"redis%e9%81%b5%e5%be%aa%e5%93%aa%e4%ba%9b%e8%a7%84%e8%8c%83%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/201680\/","title":{"rendered":"Redis\u9075\u5faa\u54ea\u4e9b\u89c4\u8303\uff1f"},"content":{"rendered":"

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

Redis\u9075\u5faa\u54ea\u4e9b\u89c4\u8303\uff1f<\/h1>\n

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

\u5b66\u4e60\u6570\u636e\u5e93<\/span>\u8981\u52aa\u529b\uff0c\u4f46\u662f\u4e0d\u8981\u6025\uff01\u4eca\u5929\u7684\u8fd9\u7bc7\u6587\u7ae0\u300aRedis\u9075\u5faa\u54ea\u4e9b\u89c4\u8303\uff1f\u300b<\/span>\u5c06\u4f1a\u4ecb\u7ecd\u5230<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u4f60\u60f3\u6df1\u5165\u5b66\u4e60\u6570\u636e\u5e93<\/span>\uff0c\u53ef\u4ee5\u5173\u6ce8\u6211\uff01\u6211\u4f1a\u6301\u7eed\u66f4\u65b0\u76f8\u5173\u6587\u7ae0\u7684\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u90fd\u80fd\u6709\u6240\u5e2e\u52a9\uff01<\/p>\n

redis \u529f\u80fd\u5f3a\u5927\uff0c\u6570\u636e\u7c7b\u578b\u4e30\u5bcc\uff0c\u518d\u5feb\u7684\u7cfb\u7edf\uff0c\u4e5f\u7ecf\u4e0d\u4f4f\u75af\u72c2\u7684\u6ee5\u7528\u3002\u901a\u8fc7\u7981\u7528\u90e8\u5206\u9ad8\u98ce\u9669\u529f\u80fd\uff0c\u5e76\u6302\u4e0a\u5f00\u53d1\u7684\u67b7\u9501\uff0c\u4e1a\u52a1\u66f4\u80fd\u591f\u4ee5\u7b80\u6d01\u3001\u901a\u7528\u7684\u601d\u60f3\u53bb\u8003\u8651\u95ee\u9898\uff0c\u800c\u4e0d\u662f\u7ed1\u5b9a\u5728\u67d0\u79cd\u5b9e\u73b0\u4e0a\u3002<\/p>\n

\n

Redis \u6839\u636e\u4e0d\u540c\u7684\u7528\u9014\uff0c\u4f1a\u6709\u4e0d\u540c\u7684\u6301\u4e45\u5316\u7b56\u7565\u548c\u9010\u51fa\u7b56\u7565\uff0c\u6240\u4ee5\uff0c\u5728\u4f7f\u7528\u548c\u7533\u8bf7 Redis \u96c6\u7fa4\u524d\uff0c\u8bf7\u660e\u786e\u662f\u7528\u6765\u505a\u7f13\u5b58\u8fd8\u662f\u5b58\u50a8\u3002redis \u7684\u96c6\u7fa4\u6709\u4e3b\u4ece\u548c cluster \u4e24\u79cd\u6a21\u5f0f\uff0c\u5404\u6709\u4f18\u7f3a\u70b9\u3002\u4ee5\u4e0b\u89c4\u8303\u4e0d\u533a\u5206\u96c6\u7fa4\u6a21\u5f0f\uff0c\u6211\u4eec\u5206\u522b\u4ece\u4f7f\u7528\u573a\u666f\u548c\u64cd\u4f5c\u9650\u5236\u4e24\u65b9\u9762\u8bf4\u660e\u3002<\/p>\n<\/blockquote>\n

\u4f7f\u7528\u89c4\u8303<\/h3>\n

\u51b7\u70ed\u6570\u636e\u533a\u5206<\/h4>\n

\u867d\u7136 redis\u652f\u6301\u6301\u4e45\u5316\uff0c\u4f46\u5c06\u6240\u6709\u6570\u636e\u5b58\u50a8\u5728 redis \u4e2d\uff0c\u6210\u672c\u975e\u5e38\u6602\u8d35\u3002\u5efa\u8bae\u5c06\u70ed\u6570\u636e (\u5982 QPS\u8d85\u8fc7 5k) \u7684\u6570\u636e\u52a0\u8f7d\u5230 redis \u4e2d\u3002\u4f4e\u9891\u6570\u636e\u53ef\u5b58\u50a8\u5728 Mysql<\/code>\u3001 ElasticSearch\u4e2d<\/code>\u3002<\/p>\n

\u4e1a\u52a1\u6570\u636e\u5206\u79bb<\/h4>\n

\u4e0d\u8981\u5c06\u4e0d\u76f8\u5173\u7684\u6570\u636e\u4e1a\u52a1\u90fd\u653e\u5230\u4e00\u4e2a Redis<\/code>\u4e2d\u3002\u4e00\u65b9\u9762\u907f\u514d\u4e1a\u52a1\u76f8\u4e92\u5f71\u54cd\uff0c\u53e6\u4e00\u65b9\u9762\u907f\u514d\u5355\u5b9e\u4f8b\u81a8\u80c0\uff0c\u5e76\u80fd\u5728\u6545\u969c\u65f6\u964d\u4f4e\u5f71\u54cd\u9762\uff0c\u5feb\u901f\u6062\u590d\u3002<\/p>\n

\u6d88\u606f\u5927\u5c0f\u9650\u5236<\/h4>\n

\u7531\u4e8e Redis<\/code> \u662f\u5355\u7ebf\u7a0b\u670d\u52a1\uff0c\u6d88\u606f\u8fc7\u5927\u4f1a\u963b\u585e\u5e76\u62d6\u6162\u5176\u4ed6\u64cd\u4f5c\u3002\u4fdd\u6301\u6d88\u606f\u5185\u5bb9\u5728 1KB \u4ee5\u4e0b\u662f\u4e2a\u597d\u7684\u4e60\u60ef\u3002\u4e25\u7981\u8d85\u8fc7 50KB \u7684\u5355\u6761\u8bb0\u5f55\u3002\u6d88\u606f\u8fc7\u5927\u8fd8\u4f1a\u5f15\u8d77\u7f51\u7edc\u5e26\u5bbd\u7684\u9ad8\u5360\u7528\uff0c\u6301\u4e45\u5316\u5230\u78c1\u76d8\u65f6\u7684 IO \u95ee\u9898\u3002<\/p>\n

\u8fde\u63a5\u6570\u9650\u5236<\/h4>\n

\u8fde\u63a5\u7684\u9891\u7e41\u521b\u5efa\u548c\u9500\u6bc1\uff0c\u4f1a\u6d6a\u8d39\u5927\u91cf\u7684\u7cfb\u7edf\u8d44\u6e90\uff0c\u6781\u9650\u60c5\u51b5\u4f1a\u9020\u6210\u5bbf\u4e3b\u673a\u5f53\u673a\u3002\u8bf7\u786e\u4fdd\u4f7f\u7528\u4e86\u6b63\u786e\u7684 Redis<\/code> \u5ba2\u6237\u7aef\u8fde\u63a5\u6c60\u914d\u7f6e\u3002<\/p>\n

\u7f13\u5b58 Key \u8bbe\u7f6e\u5931\u6548\u65f6\u95f4<\/h4>\n

\u4f5c\u4e3a\u7f13\u5b58\u4f7f\u7528\u7684 Key<\/code>\uff0c\u5fc5\u987b\u8981\u8bbe\u7f6e\u5931\u6548\u65f6\u95f4\u3002\u5931\u6548\u65f6\u95f4\u5e76\u4e0d\u662f\u8d8a\u957f\u8d8a\u597d\uff0c\u8bf7\u6839\u636e\u4e1a\u52a1\u6027\u8d28\u8fdb\u884c\u8bbe\u7f6e\u3002\u6ce8\u610f\uff0c\u5931\u6548\u65f6\u95f4\u7684\u5355\u4f4d\u6709\u7684\u662f\u79d2\uff0c\u6709\u7684\u662f\u6beb\u79d2\uff0c\u8fd9\u4e2a\u5f88\u591a\u540c\u5b66\u4e0d\u6ce8\u610f\u5bb9\u6613\u641e\u9519\u3002<\/p>\n

\u7f13\u5b58\u4e0d\u80fd\u6709\u4e2d\u95f4\u6001<\/h4>\n

\u7f13\u5b58\u5e94\u8be5\u4ec5\u4f5c\u7f13\u5b58\u7528\uff0c\u53bb\u6389\u540e\u4e1a\u52a1\u903b\u8f91\u4e0d\u5e94\u53d1\u751f\u6539\u53d8\uff0c\u4e07\u4e0d\u53ef\u5207\u5165\u5230\u4e1a\u52a1\u91cc\u3002\u7b2c\u4e00\uff0c\u7f13\u5b58\u7684\u9ad8\u53ef\u7528\u4f1a\u5f71\u54cd\u4e1a\u52a1\uff1b\u7b2c\u4e8c\uff0c\u4ea7\u751f\u6df1\u8026\u5408\u4f1a\u53d1\u751f\u65e0\u6cd5\u9884\u6599\u7684\u6548\u679c\uff1b\u7b2c\u4e09\uff0c\u4f1a\u5bf9\u7ef4\u62a4\u884c\u4ea7\u751f\u80a4\u6548\u679c\u3002<\/p>\n

\u6269\u5c55\u65b9\u5f0f\u9996\u9009\u5ba2\u6237\u7aef hash<\/h4>\n
\n

\u5c0f\u5e94\u7528\u5c31\u7b97\u4e86<\/p>\n<\/blockquote>\n

\u5982\u5355 redis<\/code> \u96c6\u7fa4\u5e76\u4e0d\u80fd\u4e3a\u4f60\u7684\u6570\u636e\u670d\u52a1\uff0c\u4e0d\u8981\u7740\u6025\u6269\u5927\u4f60\u7684 redis<\/code> \u96c6\u7fa4\uff08\u5305\u62ec M\/S \u548c Cluster)\uff0c\u96c6\u7fa4\u8d8a\u5927\uff0c\u5728\u72b6\u6001\u540c\u6b65\u548c\u6301\u4e45\u5316\u65b9\u9762\u7684\u6027\u80fd\u8d8a\u5dee\u3002 \u4f18\u5148\u4f7f\u7528\u5ba2\u6237\u7aef hash<\/code> \u8fdb\u884c\u96c6\u7fa4\u62c6\u5206\u3002\u5982\uff1a\u6839\u636e\u7528\u6237 id \u5206 10 \u4e2a\u96c6\u7fa4\uff0c\u7528\u6237\u5c3e\u53f7\u4e3a 0 \u7684\u843d\u5728\u7b2c\u4e00\u4e2a\u96c6\u7fa4\u3002<\/p>\n

\u64cd\u4f5c\u9650\u5236<\/h3>\n

\u4e25\u7981\u4f7f\u7528 Keys<\/h4>\n

Keys<\/code> \u547d\u4ee4\u6548\u7387\u6781\u4f4e\uff0c\u5c5e\u4e8e O(N)<\/code>\u64cd\u4f5c\uff0c\u4f1a\u963b\u585e\u5176\u4ed6\u6b63\u5e38\u547d\u4ee4\uff0c\u5728 cluster<\/code> \u4e0a\uff0c\u4f1a\u662f\u707e\u96be\u6027\u7684\u64cd\u4f5c\u3002\u4e25\u7981\u4f7f\u7528\uff0cDBA<\/code> \u5e94\u8be5 rename<\/code> \u6b64\u547d\u4ee4\uff0c\u4ece\u6839\u6e90\u7981\u7528\u3002<\/p>\n

\u4e25\u7981\u4f7f\u7528 Flush<\/h4>\n

flush<\/code> \u547d\u4ee4\u4f1a\u6e05\u7a7a\u6240\u6709\u6570\u636e\uff0c\u5c5e\u4e8e\u9ad8\u5371\u64cd\u4f5c\u3002\u4e25\u7981\u4f7f\u7528\uff0cDBA<\/code> \u5e94\u8be5 rename<\/code> \u6b64\u547d\u4ee4\uff0c\u4ece\u6839\u6e90\u7981\u7528\uff0c\u4ec5 DBA<\/code> \u53ef\u64cd\u4f5c\u3002<\/p>\n

\u4e25\u7981\u4f5c\u4e3a\u6d88\u606f\u961f\u5217\u4f7f\u7528<\/h4>\n

\u5982\u6ca1\u6709\u975e\u5e38\u7279\u6b8a\u7684\u9700\u6c42\uff0c\u4e25\u7981\u5c06 Redis<\/code> \u5f53\u4f5c\u6d88\u606f\u961f\u5217\u4f7f\u7528\u3002Redis<\/code> \u5f53\u4f5c\u6d88\u606f\u961f\u5217\u4f7f\u7528\uff0c\u4f1a\u6709\u5bb9\u91cf\u3001\u7f51\u7edc\u3001\u6548\u7387\u3001\u529f\u80fd\u65b9\u9762\u7684\u591a\u79cd\u95ee\u9898\u3002\u5982\u9700\u8981\u6d88\u606f\u961f\u5217\uff0c\u53ef\u4f7f\u7528\u9ad8\u541e\u5410\u7684 Kafka<\/code> \u6216\u8005\u9ad8\u53ef\u9760\u7684 RocketMQ<\/code>\u3002<\/p>\n

\u4e25\u7981\u4e0d\u8bbe\u7f6e\u8303\u56f4\u7684\u6279\u91cf\u64cd\u4f5c<\/h4>\n

redis<\/code> \u90a3\u4e48\u5feb\uff0c\u6162\u67e5\u8be2\u9664\u4e86\u7f51\u7edc\u5ef6\u8fdf\uff0c\u5c31\u5c5e\u4e8e\u8fd9\u4e9b\u6279\u91cf\u64cd\u4f5c\u51fd\u6570\u3002\u5927\u591a\u6570\u7ebf\u4e0a\u95ee\u9898\u90fd\u662f\u7531\u4e8e\u8fd9\u4e9b\u51fd\u6570\u5f15\u8d77\u3002<\/p>\n

1\u3001[zset] \u4e25\u7981\u5bf9 zset \u7684\u4e0d\u8bbe\u8303\u56f4\u64cd\u4f5c<\/h5>\n

ZRANGE<\/code>\u3001 ZRANGEBYSCORE<\/code>\u7b49\u591a\u4e2a\u64cd\u4f5c ZSET<\/code> \u7684\u51fd\u6570\uff0c\u4e25\u7981\u4f7f\u7528 ZRANGE myzset 0 -1<\/code> \u7b49\u8fd9\u79cd\u4e0d\u8bbe\u7f6e\u8303\u56f4\u7684\u64cd\u4f5c\u3002\u8bf7\u6307\u5b9a\u8303\u56f4\uff0c\u5982 ZRANGE myzset 0 100<\/code>\u3002\u5982\u4e0d\u786e\u5b9a\u957f\u5ea6\uff0c\u53ef\u4f7f\u7528 ZCARD<\/code> \u5224\u65ad\u957f\u5ea6<\/p>\n

2\u3001[hash] \u4e25\u7981\u5bf9\u5927\u6570\u636e\u91cf Key \u4f7f\u7528 HGETALL<\/h5>\n

HGETALL<\/code>\u4f1a\u53d6\u51fa\u76f8\u5173 HASH<\/code> \u7684\u6240\u6709\u6570\u636e\uff0c\u5982\u679c\u6570\u636e\u6761\u6570\u8fc7\u5927\uff0c\u540c\u6837\u4f1a\u5f15\u8d77\u963b\u585e\uff0c\u8bf7\u786e\u4fdd\u4e1a\u52a1\u53ef\u63a7\u3002\u5982\u4e0d\u786e\u5b9a\u957f\u5ea6\uff0c\u53ef\u4f7f\u7528 HLEN<\/code> \u5148\u5224\u65ad\u957f\u5ea6<\/p>\n

3\u3001[key] Redis Cluster \u96c6\u7fa4\u7684 mget \u64cd\u4f5c<\/h5>\n

Redis Cluster<\/code> \u7684 MGET<\/code> \u64cd\u4f5c\uff0c\u4f1a\u5230\u5404\u5206\u7247\u53d6\u6570\u636e\u805a\u5408\uff0c\u76f8\u6bd4\u4f20\u7edf\u7684 M\/S<\/code>\u67b6\u6784\uff0c\u6027\u80fd\u4f1a\u4e0b\u964d\u5f88\u591a\uff0c\u8bf7\u63d0\u524d\u538b\u6d4b\u548c\u8bc4\u4f30<\/p>\n

4\u3001[\u5176\u4ed6] \u4e25\u7981\u4f7f\u7528 sunion, sinter, sdiff\u7b49\u4e00\u4e9b\u805a\u5408\u64cd\u4f5c<\/h5>\n

\u7981\u7528 select \u51fd\u6570<\/h4>\n

select<\/code>\u51fd\u6570\u7528\u6765\u5207\u6362 database<\/code>\uff0c\u5bf9\u4e8e\u4f7f\u7528\u65b9\u6765\u8bf4\uff0c\u8fd9\u662f\u5f88\u5bb9\u6613\u53d1\u751f\u95ee\u9898\u7684\u5730\u65b9\uff0ccluster<\/code> \u6a21\u5f0f\u4e5f\u4e0d\u652f\u6301\u591a\u4e2a database<\/code>\uff0c\u4e14\u6ca1\u6709\u4efb\u4f55\u6536\u76ca\uff0c\u7981\u7528\u3002<\/p>\n

\u7981\u7528\u4e8b\u52a1<\/h4>\n

redis<\/code> \u672c\u8eab\u5df2\u7ecf\u5f88\u5feb\u4e86\uff0c\u5982\u65e0\u5927\u7684\u5fc5\u8981\uff0c\u5efa\u8bae\u6355\u83b7\u5f02\u5e38\u8fdb\u884c\u56de\u6eda\uff0c\u4e0d\u8981\u4f7f\u7528\u4e8b\u52a1\u51fd\u6570\uff0c\u5f88\u5c11\u6709\u4eba\u8fd9\u4e48\u5e72\u3002<\/p>\n

\u7981\u7528 lua \u811a\u672c\u6269\u5c55<\/h4>\n

lua<\/code> \u811a\u672c\u867d\u7136\u80fd\u505a\u5f88\u591a\u770b\u8d77\u6765\u5f88 cool<\/code> \u7684\u4e8b\u60c5\uff0c\u4f46\u5b83\u5c31\u50cf\u662f SQL<\/code> \u7684\u5b58\u50a8\u8fc7\u7a0b\uff0c\u4f1a\u5f15\u5165\u6027\u80fd\u548c\u4e00\u4e9b\u96be\u4ee5\u7ef4\u62a4\u7684\u95ee\u9898\uff0c\u7981\u7528\u3002<\/p>\n

\u7981\u6b62\u957f\u65f6\u95f4 monitor<\/h4>\n

monitor<\/code>\u51fd\u6570\u53ef\u4ee5\u5feb\u901f\u770b\u5230\u5f53\u524d redis<\/code> \u6b63\u5728\u6267\u884c\u7684\u6570\u636e\u6d41\uff0c\u4f46\u662f\u5f53\u5fc3\uff0c\u9ad8\u5cf0\u671f\u957f\u65f6\u95f4\u963b\u585e\u5728 monitor<\/code> \u547d\u4ee4\u4e0a\uff0c\u4f1a\u4e25\u91cd\u5f71\u54cd redis<\/code> \u7684\u6027\u80fd\u3002\u6b64\u547d\u4ee4\u4e0d\u7981\u6b62\u4f7f\u7528\uff0c\u4f46\u4f7f\u7528\u4e00\u5b9a\u8981\u7279\u522b\u7279\u522b\u6ce8\u610f\u3002<\/p>\n

Key \u89c4\u8303<\/h3>\n

Redis<\/code> \u7684 Key<\/code> \u4e00\u5b9a\u8981\u89c4\u8303\uff0c\u8fd9\u6837\u5728\u9047\u5230\u95ee\u9898\u65f6\uff0c\u80fd\u591f\u8fdb\u884c\u65b9\u4fbf\u7684\u5b9a\u4f4d\u3002Redis<\/code> \u5c5e\u4e8e\u65e0 scheme<\/code> \u7684 KV<\/code> \u6570\u636e\u5e93\uff0c\u6240\u4ee5\uff0c\u6211\u4eec\u9760\u7ea6\u5b9a\u6765\u5efa\u7acb\u5176 scheme<\/code> \u8bed\u4e49\u3002\u5176\u597d\u5904\uff1a<\/p>\n

    \n
  1. \n

    \u80fd\u591f\u6839\u636e\u67d0\u7c7b key \u8fdb\u884c\u6570\u636e\u6e05\u7406<\/p>\n<\/li>\n

  2. \n

    \u80fd\u591f\u6839\u636e\u67d0\u7c7b key \u8fdb\u884c\u6570\u636e\u66f4\u65b0<\/p>\n<\/li>\n

  3. \n

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    \n

    user:sex \u7528\u6237 10002232 \u7684\u6027\u522b<\/p>\n<\/blockquote>\n

    \n

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