{"id":201947,"date":"2025-05-10T11:29:55","date_gmt":"2025-05-10T03:29:55","guid":{"rendered":"https:\/\/server.hk\/cnblog\/201947\/"},"modified":"2025-05-10T11:29:55","modified_gmt":"2025-05-10T03:29:55","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%84%e6%9e%b6%e6%9e%84%e8%ae%be%e8%ae%a1%e4%b8%8e%e5%ae%9e%e7%8e%b0%e7%bb%86%e8%8a%82","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/201947\/","title":{"rendered":"Redis\u5b9e\u73b0\u5206\u5e03\u5f0f\u4e8b\u52a1\u7684\u67b6\u6784\u8bbe\u8ba1\u4e0e\u5b9e\u73b0\u7ec6\u8282"},"content":{"rendered":"

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

Redis\u5b9e\u73b0\u5206\u5e03\u5f0f\u4e8b\u52a1\u7684\u67b6\u6784\u8bbe\u8ba1\u4e0e\u5b9e\u73b0\u7ec6\u8282<\/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\u7684\u67b6\u6784\u8bbe\u8ba1\u4e0e\u5b9e\u73b0\u7ec6\u8282\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\u662f\u4e00\u4e2a\u5f00\u6e90\u7684\u5185\u5b58\u6570\u636e\u5e93\uff0c\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u7f13\u5b58\u3001\u6d88\u606f\u961f\u5217\u7b49\u5e94\u7528\u573a\u666f\u3002\u968f\u7740\u5e94\u7528\u89c4\u6a21\u7684\u4e0d\u65ad\u589e\u5927\uff0c\u5f80\u5f80\u9700\u8981\u5c06Redis\u8fdb\u884c\u5206\u5e03\u5f0f\u90e8\u7f72\uff0c\u4ee5\u63d0\u9ad8\u5e94\u7528\u7684\u53ef\u6269\u5c55\u6027\u548c\u53ef\u9760\u6027\u3002\u4f46\u662f\u5728\u5206\u5e03\u5f0f\u73af\u5883\u4e0b\uff0c\u8981\u5b9e\u73b0\u6570\u636e\u64cd\u4f5c\u7684\u4e00\u81f4\u6027\u548c\u539f\u5b50\u6027\uff0c\u5c31\u9700\u8981\u7528\u5230\u5206\u5e03\u5f0f\u4e8b\u52a1\u7684\u6280\u672f\u624b\u6bb5\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u7528Redis\u5b9e\u73b0\u5206\u5e03\u5f0f\u4e8b\u52a1\uff0c\u5305\u62ec\u67b6\u6784\u8bbe\u8ba1\u548c\u5b9e\u73b0\u7ec6\u8282\u3002<\/p>\n

\u4e00\u3001\u5206\u5e03\u5f0f\u4e8b\u52a1\u7684\u6982\u5ff5\u548c\u5b9e\u73b0\u65b9\u5f0f<\/p>\n

\u5728\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\uff0c\u7531\u4e8e\u6570\u636e\u5206\u7247\u3001\u7f51\u7edc\u5ef6\u8fdf\u3001\u8282\u70b9\u6545\u969c\u7b49\u539f\u56e0\uff0c\u540c\u4e00\u4e2a\u4e8b\u52a1\u53ef\u80fd\u4f1a\u6d89\u53ca\u5230\u591a\u4e2a\u8282\u70b9\u4e0a\u7684\u6570\u636e\u64cd\u4f5c\uff0c\u800c\u4fdd\u8bc1\u8fd9\u4e9b\u64cd\u4f5c\u7684\u4e00\u81f4\u6027\u548c\u539f\u5b50\u6027\u6210\u4e3a\u4e86\u4e00\u4e2a\u96be\u70b9\u3002\u5728\u4f20\u7edf\u7684\u5173\u7cfb\u578b\u6570\u636e\u5e93\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7ACID\u4e8b\u52a1\u6765\u4fdd\u8bc1\u64cd\u4f5c\u7684\u4e00\u81f4\u6027\u548c\u539f\u5b50\u6027\uff1b\u4f46\u662f\u5728\u5206\u5e03\u5f0f\u73af\u5883\u4e0b\uff0cACID\u4e8b\u52a1\u7684\u5b9e\u73b0\u5f80\u5f80\u4f1a\u9047\u5230\u5f88\u591a\u6311\u6218\uff0c\u6bd4\u5982\u4e8b\u52a1\u534f\u8c03\u3001\u6570\u636e\u540c\u6b65\u3001\u6545\u969c\u6062\u590d\u7b49\u95ee\u9898\u3002\u56e0\u6b64\uff0c\u51fa\u73b0\u4e86\u4e00\u7cfb\u5217\u65b0\u7684\u5206\u5e03\u5f0f\u4e8b\u52a1\u5b9e\u73b0\u65b9\u5f0f\uff0c\u5982BASE\u7406\u8bba\u3001\u6700\u7ec8\u4e00\u81f4\u6027\u7b49\u3002<\/p>\n

\u5728Redis\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u4e24\u79cd\u65b9\u5f0f\u6765\u5b9e\u73b0\u5206\u5e03\u5f0f\u4e8b\u52a1\uff1aPipeline\u548cLua\u811a\u672c\u3002<\/p>\n

\u4e8c\u3001\u901a\u8fc7Pipeline\u5b9e\u73b0\u5206\u5e03\u5f0f\u4e8b\u52a1<\/p>\n

Pipeline\u662fRedis\u63d0\u4f9b\u7684\u4e00\u79cd\u6279\u91cf\u64cd\u4f5c\u547d\u4ee4\u7684\u65b9\u5f0f\uff0c\u53ef\u4ee5\u901a\u8fc7\u4e00\u6b21\u8bf7\u6c42\u53d1\u9001\u591a\u4e2a\u547d\u4ee4\uff0c\u51cf\u5c11\u7f51\u7edc\u901a\u4fe1\u7684\u5f00\u9500\u3002\u5728\u5b9e\u73b0\u5206\u5e03\u5f0f\u4e8b\u52a1\u65f6\uff0c\u6211\u4eec\u53ef\u4ee5\u628a\u591a\u4e2a\u547d\u4ee4\u5c01\u88c5\u6210\u4e00\u4e2aPipeline\u8bf7\u6c42\uff0c\u5c06\u5176\u53d1\u9001\u5230\u591a\u4e2a\u8282\u70b9\u4e0a\u6267\u884c\uff0c\u5e76\u5c06\u7ed3\u679c\u6536\u96c6\u8d77\u6765\uff0c\u4ee5\u5b9e\u73b0\u4e00\u81f4\u6027\u548c\u539f\u5b50\u6027\u3002<\/p>\n

\u4e0b\u9762\u662f\u4e00\u6bb5Python\u4ee3\u7801\u793a\u4f8b\uff0c\u6f14\u793a\u4e86\u5982\u4f55\u901a\u8fc7Pipeline\u5b9e\u73b0\u5206\u5e03\u5f0f\u4e8b\u52a1\u3002\u5047\u8bbe\u6211\u4eec\u9700\u8981\u5c06\u7528\u6237\u7684\u4f59\u989d\u589e\u52a0100\u5143\uff0c\u5e76\u5c06\u8fd9\u4e2a\u64cd\u4f5c\u8bb0\u5f55\u5230\u4e00\u4e2a\u64cd\u4f5c\u65e5\u5fd7\u4e2d\uff1a<\/p>\n

import redis\n\nconn = redis.Redis(host='localhost', port=6379)\n\ndef transfer_balance(from_user, to_user, amount):\n    from_key = 'user:%s:balance' % from_user\n    to_key = 'user:%s:balance' % to_user\n    log_key = 'transfer_log'\n\n    # \u5c01\u88c5Pipeline\u8bf7\u6c42\n    pipe = conn.pipeline()\n\n    # \u6267\u884c\u8f6c\u8d26\u64cd\u4f5c\n    pipe.decrby(from_key, amount)\n    pipe.incrby(to_key, amount)\n\n    # \u8bb0\u5f55\u64cd\u4f5c\u65e5\u5fd7\n    pipe.zadd(log_key, {f'{from_user} ${amount}': -1 * amount,\n                        f'{to_user} ${amount}': amount})\n\n    # \u63d0\u4ea4Pipeline\u8bf7\u6c42\n    pipe.execute()\n\ntransfer_balance('Alice', 'Bob', 100)<\/pre>\n
\u5728\u8fd9\u6bb5\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u521b\u5efa\u4e86\u4e00\u4e2aRedis\u8fde\u63a5\uff0c\u5e76\u5c01\u88c5\u4e86\u4e00\u4e2atransfer_balance\u51fd\u6570\u6765\u6267\u884c\u8f6c\u8d26\u64cd\u4f5c\u3002\u5728\u51fd\u6570\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528Pipeline\u65b9\u5f0f\u53d1\u9001\u4e86\u4e09\u4e2a\u547d\u4ee4\uff1a\u4ecefrom_key\u4e2d\u6263\u9664\u91d1\u989d\u3001\u5411to_key\u4e2d\u589e\u52a0\u91d1\u989d\u3001\u5c06\u64cd\u4f5c\u8bb0\u5f55\u5230log_key\u4e2d\u3002\u6700\u540e\u8c03\u7528pipe.execute()\u63d0\u4ea4\u4e86Pipeline\u8bf7\u6c42\uff0c\u5c06\u4e09\u4e2a\u547d\u4ee4\u4e00\u6b21\u6027\u53d1\u9001\u5230Redis\u96c6\u7fa4\u4e2d\u6267\u884c\u3002<\/p>\n
\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u8fd9\u79cd\u65b9\u5f0f\u4ec5\u4fdd\u8bc1\u4e86\u76f8\u90bb\u7684\u547d\u4ee4\u4e4b\u95f4\u5177\u6709\u539f\u5b50\u6027\uff0c\u5982\u679c\u591a\u4e2a\u5ba2\u6237\u7aef\u540c\u65f6\u53d1\u9001\u4e86\u76f8\u540c\u7684Pipeline\u8bf7\u6c42\uff0c\u90a3\u4e48\u53ef\u80fd\u4f1a\u4ea7\u751f\u7ade\u4e89\u6761\u4ef6\uff0c\u5bfc\u81f4\u64cd\u4f5c\u4e0d\u4e00\u81f4\u3002\u56e0\u6b64\uff0c\u9700\u8981\u5728\u5ba2\u6237\u7aef\u52a0\u4e0a\u8db3\u591f\u7684\u9501\u5b9a\u673a\u5236\u6765\u4fdd\u8bc1\u64cd\u4f5c\u7684\u4e00\u81f4\u6027\u3002<\/p>\n
\u4e09\u3001\u901a\u8fc7Lua\u811a\u672c\u5b9e\u73b0\u5206\u5e03\u5f0f\u4e8b\u52a1<\/p>\n
\u53e6\u4e00\u79cd\u5b9e\u73b0\u5206\u5e03\u5f0f\u4e8b\u52a1\u7684\u65b9\u5f0f\u662f\u901a\u8fc7Lua\u811a\u672c\u6765\u6267\u884c\u591a\u4e2aRedis\u547d\u4ee4\u3002Redis\u5c06Lua\u811a\u672c\u5c01\u88c5\u4e3a\u4e00\u4e2a\u547d\u4ee4\uff0c\u53ef\u4ee5\u901a\u8fc7Redis\u5ba2\u6237\u7aef\u8fdb\u884c\u8c03\u7528\u3002<\/p>\n
\u4e0ePipeline\u65b9\u5f0f\u76f8\u6bd4\uff0cLua\u811a\u672c\u53ef\u4ee5\u66f4\u52a0\u590d\u6742\u548c\u7075\u6d3b\uff0c\u5e76\u4e14\u5728\u6267\u884c\u811a\u672c\u65f6\uff0cRedis\u4f1a\u81ea\u52a8\u8fdb\u884c\u4e8b\u52a1\u63a7\u5236\uff0c\u4fdd\u8bc1\u64cd\u4f5c\u7684\u539f\u5b50\u6027\u3002<\/p>\n
\u4e0b\u9762\u662f\u4e00\u6bb5Lua\u811a\u672c\u793a\u4f8b\uff0c\u6f14\u793a\u4e86\u5982\u4f55\u5c06\u591a\u4e2aRedis\u547d\u4ee4\u5c01\u88c5\u6210\u4e00\u4e2a\u4e8b\u52a1\uff1a<\/p>\n
-- \u5b9a\u4e49Lua\u811a\u672c\nlocal transfer = [[\nlocal from_key, to_key, amount, log_key = KEYS[1], KEYS[2], ARGV[1], KEYS[3]\n\n-- \u6267\u884c\u4e8b\u52a1\u64cd\u4f5c\nredis.call('DECRBY', from_key, amount)\nredis.call('INCRBY', to_key, amount)\nredis.call('ZADD', log_key, ARGV[2], ARGV[3])\n]]\n\n-- \u8c03\u7528Lua\u811a\u672c\nlocal result = redis.call('EVAL', transfer, 3, 'user:Alice:balance',\n                          'user:Bob:balance', 100, 'transfer_log',\n                          '-100', 'Alice $100', '100', 'Bob $100')<\/pre>\n
\u5728\u8fd9\u6bb5\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u5b9a\u4e49\u4e86\u4e00\u4e2aLua\u811a\u672ctransfer\uff0c\u8be5\u811a\u672c\u63a5\u6536\u4e09\u4e2a\u53c2\u6570\uff1afrom_key\uff08\u6e90\u8d26\u6237\uff09\u3001to_key\uff08\u76ee\u6807\u8d26\u6237\uff09\u3001amount\uff08\u8f6c\u8d26\u91d1\u989d\uff09\uff0c\u4ee5\u53ca\u4e00\u4e2a\u64cd\u4f5c\u65e5\u5fd7\u7684key\u3002\u5728\u811a\u672c\u4e2d\uff0c\u6211\u4eec\u6267\u884c\u4e86\u4e09\u4e2aRedis\u547d\u4ee4\uff1a\u4ecefrom_key\u4e2d\u6263\u9664\u8f6c\u8d26\u91d1\u989d\u3001\u5411to_key\u4e2d\u589e\u52a0\u8f6c\u8d26\u91d1\u989d\u3001\u5c06\u64cd\u4f5c\u8bb0\u5f55\u5230log_key\u4e2d\u3002<\/p>\n
\u4e3a\u4e86\u8c03\u7528Lua\u811a\u672c\uff0c\u6211\u4eec\u4f7f\u7528\u4e86Redis\u63d0\u4f9b\u7684EVAL\u547d\u4ee4\uff0c\u5e76\u5c06\u4e09\u4e2a\u53c2\u6570\u548c\u4e00\u4e2a\u64cd\u4f5c\u65e5\u5fd7\u7684key\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u7ed9\u4e86EVAL\u547d\u4ee4\u3002Redis\u4f1a\u81ea\u52a8\u5c06EVAL\u547d\u4ee4\u53ca\u5176\u53c2\u6570\u5c01\u88c5\u6210\u4e00\u4e2a\u4e8b\u52a1\uff0c\u5e76\u5728\u6267\u884c\u811a\u672c\u65f6\u4fdd\u8bc1\u64cd\u4f5c\u7684\u539f\u5b50\u6027\u3002<\/p>\n
\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u5728\u4f7f\u7528Lua\u811a\u672c\u65f6\uff0c\u8981\u6ce8\u610f\u811a\u672c\u672c\u8eab\u7684\u6b63\u786e\u6027\u548c\u5b89\u5168\u6027\uff0c\u907f\u514d\u811a\u672c\u4e2d\u5305\u542b\u4e0d\u5f53\u7684\u5185\u5bb9\uff0c\u5bfc\u81f4\u5e94\u7528\u7a0b\u5e8f\u51fa\u73b0\u5b89\u5168\u6f0f\u6d1e\u6216\u6570\u636e\u4e0d\u4e00\u81f4\u7684\u95ee\u9898\u3002<\/p>\n
\u56db\u3001\u603b\u7ed3<\/p>\n
\u672c\u6587\u4ecb\u7ecd\u4e86\u5982\u4f55\u7528Redis\u5b9e\u73b0\u5206\u5e03\u5f0f\u4e8b\u52a1\u7684\u4e24\u79cd\u65b9\u5f0f\uff1aPipeline\u548cLua\u811a\u672c\u3002\u65e0\u8bba\u662f\u54ea\u79cd\u65b9\u5f0f\uff0c\u5206\u5e03\u5f0f\u4e8b\u52a1\u7684\u5b9e\u73b0\u90fd\u9700\u8981\u8003\u8651\u5230\u64cd\u4f5c\u7684\u4e00\u81f4\u6027\u3001\u539f\u5b50\u6027\u548c\u6027\u80fd\u7b49\u65b9\u9762\u7684\u95ee\u9898\u3002\u901a\u8fc7\u5408\u7406\u7684\u67b6\u6784\u8bbe\u8ba1\u548c\u5b9e\u73b0\u7ec6\u8282\uff0c\u53ef\u4ee5\u5c06Redis\u7528\u4e8e\u66f4\u590d\u6742\u548c\u9ad8\u6027\u80fd\u7684\u5e94\u7528\u573a\u666f\u4e2d\uff0c\u63d0\u9ad8\u5e94\u7528\u7684\u53ef\u6269\u5c55\u6027\u548c\u53ef\u9760\u6027\u3002<\/p>\n
\n
\n <\/dt>\n
\n   \u57fa\u4e8ego-zero\u5f00\u53d1\u9ad8\u53ef\u7528\u6027\u7684\u5206\u5e03\u5f0f\u6570\u636e\u5e93\n <\/dd>\n<\/dl>\n
\n
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