{"id":202109,"date":"2025-05-10T14:42:26","date_gmt":"2025-05-10T06:42:26","guid":{"rendered":"https:\/\/server.hk\/cnblog\/202109\/"},"modified":"2025-05-10T14:42:26","modified_gmt":"2025-05-10T06:42:26","slug":"%e8%b6%85%e8%af%a6%e8%a7%a3redis%e4%ba%8b%e5%8a%a1%ef%bc%9a%e9%81%bf%e5%85%8d%e6%80%a7%e8%83%bd%e9%97%ae%e9%a2%98%e5%92%8c%e5%b9%b6%e5%8f%91%e5%86%b2%e7%aa%81%e7%9a%84%e6%8a%80%e5%b7%a7","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/202109\/","title":{"rendered":"\u8d85\u8be6\u89e3Redis\u4e8b\u52a1\uff1a\u907f\u514d\u6027\u80fd\u95ee\u9898\u548c\u5e76\u53d1\u51b2\u7a81\u7684\u6280\u5de7"},"content":{"rendered":"

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

\u8d85\u8be6\u89e3Redis\u4e8b\u52a1\uff1a\u907f\u514d\u6027\u80fd\u95ee\u9898\u548c\u5e76\u53d1\u51b2\u7a81\u7684\u6280\u5de7<\/h1>\n

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

\u201c\u7eb5\u6709\u75be\u98ce\u6765\uff0c\u4eba\u751f\u4e0d\u8a00\u5f03\u201d\uff0c\u8fd9\u53e5\u8bdd\u9001\u7ed9\u6b63\u5728\u5b66\u4e60\u6570\u636e\u5e93<\/span>\u7684\u670b\u53cb\u4eec\uff0c\u4e5f\u5e0c\u671b\u5728\u9605\u8bfb\u672c\u6587\u300a\u8d85\u8be6\u89e3Redis\u4e8b\u52a1\uff1a\u907f\u514d\u6027\u80fd\u95ee\u9898\u548c\u5e76\u53d1\u51b2\u7a81\u7684\u6280\u5de7\u300b<\/span>\u540e\uff0c\u80fd\u591f\u771f\u7684\u5e2e\u52a9\u5230\u5927\u5bb6\u3002\u6211\u4e5f\u4f1a\u5728\u540e\u7eed\u7684\u6587\u7ae0\u4e2d\uff0c\u9646\u7eed\u66f4\u65b0\u6570\u636e\u5e93<\/span>\u76f8\u5173\u7684\u6280\u672f\u6587\u7ae0\uff0c\u6709\u597d\u7684\u5efa\u8bae\u6b22\u8fce\u5927\u5bb6\u5728\u8bc4\u8bba\u7559\u8a00\uff0c\u975e\u5e38\u611f\u8c22\uff01<\/p>\n<\/p>\n

<\/p>\n

Redis\u662f\u4e00\u6b3e\u9ad8\u6027\u80fd\u7684\u5f00\u6e90\u5185\u5b58\u6570\u636e\u5e93\uff0c\u5b83\u652f\u6301\u591a\u79cd\u6570\u636e\u7ed3\u6784\u548c\u4e30\u5bcc\u7684\u6570\u636e\u64cd\u4f5c\u547d\u4ee4\uff0c\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u7f13\u5b58\u3001\u6d88\u606f\u961f\u5217\u3001\u8ba1\u6570\u5668\u3001\u6392\u884c\u699c\u7b49\u573a\u666f\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u5f88\u591a\u64cd\u4f5c\u9700\u8981\u4fdd\u8bc1\u6570\u636e\u7684\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027\uff0c\u8fd9\u65f6\u5019\u5c31\u9700\u8981\u7528\u5230Redis\u4e8b\u52a1\u3002<\/span><\/p>\n

\u4ec0\u4e48\u662fRedis\u4e8b\u52a1\uff1f<\/h2>\n

Redis\u4e8b\u52a1\u662f\u5c06\u4e00\u7ec4Redis\u64cd\u4f5c\u6253\u5305\u4e3a\u4e00\u4e2a\u5355\u5143\uff0c\u7136\u540e\u5c06\u5b83\u4eec\u4f5c\u4e3a\u4e00\u4e2a\u6574\u4f53\u6765\u6267\u884c\u7684\u673a\u5236\u3002\u901a\u8fc7Redis\u4e8b\u52a1\uff0c\u53ef\u4ee5\u786e\u4fdd\u8fd9\u4e9b\u64cd\u4f5c\u8981\u4e48\u5168\u90e8\u6267\u884c\u6210\u529f\uff0c\u8981\u4e48\u5168\u90e8\u56de\u6eda\uff0c\u4ece\u800c\u4fdd\u8bc1\u6570\u636e\u7684\u5b8c\u6574\u6027\u548c\u4e00\u81f4\u6027\u3002Redis\u4e8b\u52a1\u5177\u6709ACID\u4e8b\u52a1\u7684\u7279\u6027\uff0c\u5373\u539f\u5b50\u6027\u3001\u4e00\u81f4\u6027\u3001\u9694\u79bb\u6027\u548c\u6301\u4e45\u6027\uff0c\u53ef\u4ee5\u786e\u4fdd\u6570\u636e\u7684\u6b63\u786e\u6027\u548c\u53ef\u9760\u6027\u3002<\/span><\/p>\n

\u5728Redis\u4e2d\uff0c\u4e8b\u52a1\u7531MULTI\u3001EXEC\u3001DISCARD\u548cWATCH\u7b49\u547d\u4ee4\u6765\u5b9e\u73b0\u3002MULTI\u547d\u4ee4\u6807\u8bb0\u4e8b\u52a1\u7684\u5f00\u59cb\uff0c\u5c06\u540e\u7eed\u7684Redis\u547d\u4ee4\u52a0\u5165\u5230\u4e00\u4e2a\u961f\u5217\u4e2d\uff0c\u8fd9\u4e9b\u547d\u4ee4\u4e0d\u4f1a\u7acb\u5373\u6267\u884c\uff0c\u800c\u662f\u7b49\u5230EXEC\u547d\u4ee4\u6267\u884c\u65f6\u4e00\u8d77\u6267\u884c\u3002\u5982\u679c\u5728\u961f\u5217\u4e2d\u7684\u4efb\u4f55\u4e00\u4e2a\u547d\u4ee4\u6267\u884c\u5931\u8d25\uff0c\u90a3\u4e48\u6574\u4e2a\u4e8b\u52a1\u5c31\u4f1a\u56de\u6eda\uff0c\u4e4b\u524d\u6240\u6709\u7684\u64cd\u4f5c\u90fd\u5c06\u88ab\u64a4\u9500\u3002DISCARD\u547d\u4ee4\u53ef\u4ee5\u64a4\u9500\u4e8b\u52a1\uff0c\u800cWATCH\u547d\u4ee4\u5219\u7528\u4e8e\u5b9e\u73b0\u4e50\u89c2\u9501\u673a\u5236\u3002<\/span><\/p>\n

\u4e0b\u9762\u662f\u4e00\u4e2aRedis\u4e8b\u52a1\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/span><\/p>\n

MULTI SET key1 value1 SET key2 value2 INCR counter EXEC<\/code><\/p>\n

\u5728\u8fd9\u4e2a\u4e8b\u52a1\u4e2d\uff0c\u5148\u901a\u8fc7MULTI\u547d\u4ee4\u6807\u8bb0\u4e8b\u52a1\u7684\u5f00\u59cb\uff0c\u7136\u540e\u5c06\u4e09\u4e2aRedis\u547d\u4ee4\u52a0\u5165\u5230\u961f\u5217\u4e2d\uff0c\u5305\u62ec\u8bbe\u7f6ekey1\u7684\u503c\u3001\u8bbe\u7f6ekey2\u7684\u503c\u548c\u589e\u52a0counter\u7684\u503c\u3002\u6700\u540e\u901a\u8fc7EXEC\u547d\u4ee4\u6765\u6267\u884c\u8fd9\u4e9b\u547d\u4ee4\uff0c\u5982\u679c\u6240\u6709\u64cd\u4f5c\u90fd\u6267\u884c\u6210\u529f\uff0c\u5c31\u4f1a\u8fd4\u56de\u4e00\u4e2a\u5305\u542b\u5404\u4e2a\u547d\u4ee4\u6267\u884c\u7ed3\u679c\u7684\u6570\u7ec4\uff0c\u5426\u5219\u6574\u4e2a\u4e8b\u52a1\u5c31\u4f1a\u56de\u6eda\u3002<\/span><\/p>\n

Redis\u4e8b\u52a1\u7684\u5b9e\u73b0\u65b9\u5f0f<\/h2>\n

Redis\u4e8b\u52a1\u662f\u57fa\u4e8e\u547d\u4ee4\u961f\u5217\u7684\u65b9\u5f0f\u5b9e\u73b0\u7684\u3002\u5728MULTI\u547d\u4ee4\u88ab\u6267\u884c\u65f6\uff0cRedis\u4f1a\u521b\u5efa\u4e00\u4e2a\u7a7a\u7684\u547d\u4ee4\u961f\u5217\uff0c\u5e76\u5c06\u540e\u7eed\u7684Redis\u547d\u4ee4\u52a0\u5165\u5230\u961f\u5217\u4e2d\u3002\u5728EXEC\u547d\u4ee4\u88ab\u6267\u884c\u65f6\uff0cRedis\u4f1a\u6309\u7167\u961f\u5217\u4e2d\u7684\u987a\u5e8f\u4f9d\u6b21\u6267\u884c\u8fd9\u4e9b\u547d\u4ee4\u3002\u5982\u679c\u961f\u5217\u4e2d\u7684\u4efb\u4f55\u4e00\u4e2a\u547d\u4ee4\u6267\u884c\u5931\u8d25\uff0c\u90a3\u4e48\u6574\u4e2a\u4e8b\u52a1\u5c31\u4f1a\u56de\u6eda\uff0c\u4e4b\u524d\u6240\u6709\u7684\u64cd\u4f5c\u90fd\u5c06\u88ab\u64a4\u9500\u3002<\/span><\/p>\n

Redis\u4e8b\u52a1\u7684\u5b9e\u73b0\u65b9\u5f0f\u7c7b\u4f3c\u4e8e\u6570\u636e\u5e93\u4e2d\u7684\u60b2\u89c2\u9501\u673a\u5236\u3002\u5728Redis\u4e8b\u52a1\u4e2d\uff0c\u591a\u4e2a\u547d\u4ee4\u88ab\u6253\u5305\u4e3a\u4e00\u4e2a\u5355\u5143\u6267\u884c\uff0c\u76f4\u5230EXEC\u547d\u4ee4\u88ab\u6267\u884c\uff0c\u8fd9\u4e9b\u547d\u4ee4\u624d\u4f1a\u88ab\u6267\u884c\u3002\u8fd9\u79cd\u673a\u5236\u53ef\u4ee5\u4fdd\u8bc1\u591a\u4e2a\u547d\u4ee4\u7684\u539f\u5b50\u6027\uff0c\u4ece\u800c\u907f\u514d\u4e86\u7531\u4e8e\u5e76\u53d1\u64cd\u4f5c\u5e26\u6765\u7684\u6570\u636e\u4e0d\u4e00\u81f4\u6027\u95ee\u9898\u3002\u6b64\u5916\uff0cRedis\u4e8b\u52a1\u8fd8\u652f\u6301\u4e50\u89c2\u9501\u673a\u5236\uff0c\u53ef\u4ee5\u901a\u8fc7WATCH\u547d\u4ee4\u76d1\u89c6\u6307\u5b9a\u7684\u952e\u503c\u5bf9\uff0c\u5982\u679c\u5728\u6267\u884c\u4e8b\u52a1\u4e4b\u524d\u8fd9\u4e9b\u952e\u503c\u5bf9\u53d1\u751f\u4e86\u6539\u53d8\uff0c\u4e8b\u52a1\u5c31\u4f1a\u5931\u8d25\u3002<\/span><\/p>\n

Redis\u4e8b\u52a1\u7684\u5b9e\u73b0\u65b9\u5f0f\u4e3b\u8981\u6709\u4ee5\u4e0b\u4e24\u79cd\uff1a<\/span><\/p>\n

\u57fa\u4e8e\u5355\u7ebf\u7a0b\u6a21\u578b<\/span><\/h4>\n

Redis\u662f\u5355\u7ebf\u7a0b\u6a21\u578b\u7684\u6570\u636e\u5e93\uff0c\u5b83\u901a\u8fc7\u4e8b\u4ef6\u5faa\u73af\u673a\u5236\u6765\u5b9e\u73b0\u975e\u963b\u585eI\/O\u64cd\u4f5c\u3002\u5728Redis\u4e8b\u52a1\u4e2d\uff0c\u6240\u6709\u7684Redis\u547d\u4ee4\u90fd\u88ab\u52a0\u5165\u5230\u4e00\u4e2a\u547d\u4ee4\u961f\u5217\u4e2d\uff0c\u7136\u540e\u7531Redis\u7684\u4e8b\u4ef6\u5faa\u73af\u673a\u5236\u6765\u6267\u884c\u8fd9\u4e9b\u547d\u4ee4\u3002\u5728EXEC\u547d\u4ee4\u88ab\u6267\u884c\u4e4b\u524d\uff0cRedis\u5e76\u4e0d\u4f1a\u6267\u884c\u4efb\u4f55\u5b9e\u9645\u7684Redis\u64cd\u4f5c\uff0c\u800c\u53ea\u662f\u5c06\u8fd9\u4e9b\u64cd\u4f5c\u52a0\u5165\u5230\u961f\u5217\u4e2d\u3002\u8fd9\u79cd\u673a\u5236\u4fdd\u8bc1\u4e86Redis\u4e8b\u52a1\u7684\u539f\u5b50\u6027\u548c\u4e00\u81f4\u6027\uff0c\u4f46\u662f\u5e76\u4e0d\u80fd\u4fdd\u8bc1\u4e8b\u52a1\u7684\u9694\u79bb\u6027\uff0c\u56e0\u4e3a\u5728Redis\u4e8b\u52a1\u6267\u884c\u7684\u8fc7\u7a0b\u4e2d\uff0c\u5176\u4ed6\u5ba2\u6237\u7aef\u53ef\u4ee5\u63d2\u5165\u64cd\u4f5c\u6765\u5e72\u6270\u4e8b\u52a1\u7684\u6267\u884c\u3002<\/span><\/p>\n

\u57fa\u4e8eCAS\u673a\u5236<\/span><\/h4>\n

Redis\u4e8b\u52a1\u8fd8\u652f\u6301\u57fa\u4e8eCAS\uff08Compare and Swap\uff09\u673a\u5236\u7684\u4e50\u89c2\u9501\u673a\u5236\u3002\u5728WATCH\u547d\u4ee4\u88ab\u6267\u884c\u4e4b\u540e\uff0c\u5982\u679c\u6307\u5b9a\u7684\u952e\u503c\u5bf9\u53d1\u751f\u4e86\u6539\u53d8\uff0c\u4e8b\u52a1\u5c31\u4f1a\u5931\u8d25\u3002\u5982\u679c\u6ca1\u6709\u53d1\u751f\u6539\u53d8\uff0cRedis\u4f1a\u6267\u884c\u4e8b\u52a1\u4e2d\u7684\u6240\u6709\u547d\u4ee4\uff0c\u5e76\u5c06\u6267\u884c\u7ed3\u679c\u8fd4\u56de\u3002\u8fd9\u79cd\u673a\u5236\u4fdd\u8bc1\u4e86\u4e8b\u52a1\u7684\u539f\u5b50\u6027\u3001\u4e00\u81f4\u6027\u548c\u9694\u79bb\u6027\uff0c\u4f46\u662f\u76f8\u5bf9\u4e8e\u57fa\u4e8e\u5355\u7ebf\u7a0b\u6a21\u578b\u7684\u5b9e\u73b0\u65b9\u5f0f\uff0c\u5b83\u4f1a\u589e\u52a0\u4e00\u5b9a\u7684\u7f51\u7edc\u5f00\u9500\u548cCPU\u5f00\u9500\u3002<\/span><\/p>\n

Redis\u4e8b\u52a1\u7684\u6ce8\u610f\u4e8b\u9879<\/h2>\n

\u5728\u4f7f\u7528Redis\u4e8b\u52a1\u65f6\uff0c\u9700\u8981\u6ce8\u610f\u4ee5\u4e0b\u51e0\u4e2a\u95ee\u9898\uff1a<\/span><\/p>\n

Redis\u4e8b\u52a1\u4e0d\u652f\u6301\u56de\u6eda\u64cd\u4f5c<\/span><\/h4>\n

\u5728Redis\u4e8b\u52a1\u4e2d\uff0c\u5982\u679c\u6267\u884c\u7684\u4efb\u4f55\u4e00\u4e2a\u547d\u4ee4\u5931\u8d25\uff0c\u6574\u4e2a\u4e8b\u52a1\u5c31\u4f1a\u56de\u6eda\u3002\u4f46\u662f\uff0cRedis\u4e8b\u52a1\u5e76\u4e0d\u652f\u6301\u56de\u6eda\u64cd\u4f5c\uff0c\u4e5f\u5c31\u662f\u8bf4\uff0c\u5373\u4f7f\u4e8b\u52a1\u4e2d\u7684\u4e00\u90e8\u5206\u547d\u4ee4\u5df2\u7ecf\u6267\u884c\u6210\u529f\uff0c\u4e5f\u4e0d\u80fd\u5c06\u8fd9\u4e9b\u64cd\u4f5c\u64a4\u9500\u3002\u56e0\u6b64\uff0c\u5728\u4f7f\u7528Redis\u4e8b\u52a1\u65f6\uff0c\u9700\u8981\u4fdd\u8bc1\u6bcf\u4e2a\u547d\u4ee4\u90fd\u662f\u53ef\u9760\u7684\uff0c\u907f\u514d\u6267\u884c\u5931\u8d25\u5bfc\u81f4\u6570\u636e\u7684\u4e0d\u4e00\u81f4\u3002<\/span><\/p>\n

Redis\u4e8b\u52a1\u7684\u9694\u79bb\u7ea7\u522b\u662f\u8bfb\u672a\u63d0\u4ea4<\/span><\/h4>\n

Redis\u4e8b\u52a1\u7684\u9694\u79bb\u7ea7\u522b\u662f\u8bfb\u672a\u63d0\u4ea4\uff0c\u4e5f\u5c31\u662f\u8bf4\uff0c\u5728\u4e8b\u52a1\u6267\u884c\u7684\u8fc7\u7a0b\u4e2d\uff0c\u5176\u4ed6\u5ba2\u6237\u7aef\u53ef\u4ee5\u63d2\u5165\u64cd\u4f5c\u6765\u5e72\u6270\u4e8b\u52a1\u7684\u6267\u884c\u3002\u56e0\u6b64\uff0c\u5728\u4f7f\u7528Redis\u4e8b\u52a1\u65f6\uff0c\u9700\u8981\u6ce8\u610f\u6570\u636e\u7684\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027\uff0c\u907f\u514d\u5176\u4ed6\u5ba2\u6237\u7aef\u7684\u64cd\u4f5c\u5bf9\u4e8b\u52a1\u4ea7\u751f\u5f71\u54cd\u3002<\/span><\/p>\n

Redis\u4e8b\u52a1\u4e0d\u652f\u6301\u8de8\u8282\u70b9<\/span><\/h4>\n

Redis\u662f\u4e00\u4e2a\u5206\u5e03\u5f0f\u6570\u636e\u5e93\uff0c\u4f46\u662fRedis\u4e8b\u52a1\u4e0d\u652f\u6301\u8de8\u8282\u70b9\uff0c\u4e5f\u5c31\u662f\u8bf4\uff0c\u53ea\u80fd\u5728\u540c\u4e00\u4e2aRedis\u8282\u70b9\u4e2d\u6267\u884c\u4e8b\u52a1\u3002\u5982\u679c\u9700\u8981\u5728\u591a\u4e2aRedis\u8282\u70b9\u4e2d\u6267\u884c\u4e8b\u52a1\uff0c\u9700\u8981\u4f7f\u7528Redis Cluster\u6216\u8005\u4f7f\u7528Lua\u811a\u672c\u6765\u5b9e\u73b0\u3002<\/span><\/p>\n

Redis\u4e8b\u52a1\u53ef\u80fd\u4f1a\u5bfc\u81f4\u6027\u80fd\u95ee\u9898<\/span><\/h4>\n

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Redis\u4e8b\u52a1\u53ef\u80fd\u4f1a\u5bfc\u81f4\u5e76\u53d1\u95ee\u9898<\/span><\/h4>\n

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