{"id":201208,"date":"2025-05-10T08:44:20","date_gmt":"2025-05-10T00:44:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/201208\/"},"modified":"2025-05-10T08:44:20","modified_gmt":"2025-05-10T00:44:20","slug":"redis%e4%ba%8b%e5%8a%a1%e4%b8%ba%e4%bb%80%e4%b9%88%e4%b8%8d%e6%94%af%e6%8c%81%e5%9b%9e%e6%bb%9a","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/201208\/","title":{"rendered":"Redis\u4e8b\u52a1\u4e3a\u4ec0\u4e48\u4e0d\u652f\u6301\u56de\u6eda"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>Redis\u4e8b\u52a1\u4e3a\u4ec0\u4e48\u4e0d\u652f\u6301\u56de\u6eda<\/h1>\n<p><span style=\"cursor: pointer\"><i><\/i>\u6536\u85cf<\/span> <\/p>\n<p>\u672c\u7bc7\u6587\u7ae0\u7ed9\u5927\u5bb6\u5206\u4eab\u300aRedis\u4e8b\u52a1\u4e3a\u4ec0\u4e48\u4e0d\u652f\u6301\u56de\u6eda\u300b\uff0c\u8986\u76d6\u4e86\u6570\u636e\u5e93\u7684\u5e38\u89c1\u57fa\u7840\u77e5\u8bc6\uff0c\u5176\u5b9e\u4e00\u4e2a\u8bed\u8a00\u7684\u5168\u90e8\u77e5\u8bc6\u70b9\u4e00\u7bc7\u6587\u7ae0\u662f\u4e0d\u53ef\u80fd\u8bf4\u5b8c\u7684\uff0c\u4f46\u5e0c\u671b\u901a\u8fc7\u8fd9\u4e9b\u95ee\u9898\uff0c\u8ba9\u8bfb\u8005\u5bf9\u81ea\u5df1\u7684\u638c\u63e1\u7a0b\u5ea6\u6709\u4e00\u5b9a\u7684\u8ba4\u8bc6(B \u6570)\uff0c\u4ece\u800c\u5f25\u8865\u81ea\u5df1\u7684\u4e0d\u8db3\uff0c\u66f4\u597d\u7684\u638c\u63e1\u5b83\u3002<\/p>\n<h2>Redis \u6709\u4e8b\u52a1\u5417<\/h2>\n<p>\u8fd9\u4e2a\u7b54\u6848\u53ef\u80fd\u4f1a\u4ee4\u5f88\u591a\u4eba\u611f\u5230\u610f\u5916\uff0c<code>Redis<\/code> \u5f53\u4e2d\u662f\u5b58\u5728\u201c\u4e8b\u52a1\u201d\u7684\u3002\u8fd9\u91cc\u6211\u628a <code>Redis<\/code> \u7684\u4e8b\u52a1\u5e26\u4e86\u5f15\u53f7\uff0c\u539f\u56e0\u5728\u540e\u9762\u5206\u6790\u3002<\/p>\n<p><code>Redis<\/code> \u5f53\u4e2d\u7684\u5355\u4e2a\u547d\u4ee4\u90fd\u662f\u539f\u5b50\u64cd\u4f5c\uff0c\u4f46\u662f\u5982\u679c\u6211\u4eec\u9700\u8981\u628a\u591a\u4e2a\u547d\u4ee4\u7ec4\u5408\u64cd\u4f5c\u53c8\u9700\u8981\u4fdd\u8bc1\u6570\u636e\u7684\u4e00\u81f4\u6027\u65f6\uff0c\u5c31\u53ef\u4ee5\u8003\u8bd5\u4f7f\u7528 <code>Redis<\/code> \u63d0\u4f9b\u7684\u4e8b\u52a1\uff08\u6216\u8005\u4f7f\u7528\u524d\u9762\u4ecb\u7ecd\u7684 <code>Lua<\/code> \u811a\u672c\uff09\u3002<\/p>\n<p><code>Redis<\/code> \u5f53\u4e2d\uff0c\u901a\u8fc7\u4e0b\u9762 <code>4<\/code> \u4e2a\u547d\u4ee4\u6765\u5b9e\u73b0\u4e8b\u52a1\uff1a<\/p>\n<ul>\n<li><code>multi<\/code>\uff1a\u5f00\u542f\u4e8b\u52a1<\/li>\n<li><code>exec<\/code>\uff1a\u6267\u884c\u4e8b\u52a1<\/li>\n<li><code>discard<\/code>\uff1a\u53d6\u6d88\u4e8b\u52a1<\/li>\n<li><code>watch<\/code>\uff1a\u76d1\u89c6<\/li>\n<\/ul>\n<p><code>Redis<\/code> \u7684\u4e8b\u52a1\u4e3b\u8981\u5206\u4e3a\u4ee5\u4e0b <code>3<\/code> \u6b65\uff1a<\/p>\n<ul>\n<li>\u6267\u884c\u547d\u4ee4 <code>multi<\/code> \u5f00\u542f\u4e00\u4e2a\u4e8b\u52a1\u3002<\/li>\n<li>\u5f00\u542f\u4e8b\u52a1\u4e4b\u540e\u6267\u884c\u7684\u547d\u4ee4\u90fd\u4f1a\u88ab\u653e\u5165\u4e00\u4e2a\u961f\u5217\uff0c\u5982\u679c\u6210\u529f\u4e4b\u540e\u4f1a\u56fa\u5b9a\u8fd4\u56de <code>QUEUED<\/code>\u3002<\/li>\n<li>\u6267\u884c\u547d\u4ee4 <code>exec<\/code> \u63d0\u4ea4\u4e8b\u52a1\u4e4b\u540e\uff0c<code>Redis<\/code> \u4f1a\u4f9d\u6b21\u6267\u884c\u961f\u5217\u91cc\u9762\u7684\u547d\u4ee4\uff0c\u5e76\u4f9d\u6b21\u8fd4\u56de\u6240\u6709\u547d\u4ee4\u7ed3\u679c\uff08\u5982\u679c\u60f3\u8981\u653e\u5f03\u4e8b\u52a1\uff0c\u53ef\u4ee5\u6267\u884c <code>discard<\/code> \u547d\u4ee4\uff09\u3002<\/li>\n<\/ul>\n<p>\u63a5\u4e0b\u6765\u8ba9\u6211\u4eec\u4f9d\u6b21\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\u6765\u4f53\u4f1a\u4e00\u4e0b <code>Redis<\/code> \u5f53\u4e2d\u7684\u4e8b\u52a1\uff1a<\/p>\n<pre>\nmulti \/\/\u5f00\u542f\u4e8b\u52a1\nset name lonely_wolf \/\/\u8bbe\u7f6e name\uff0c\u6b64\u65f6 Redis \u4f1a\u5c06\u547d\u4ee4\u653e\u5165\u961f\u5217\nset age 18  \/\/\u8bbe\u503c age\uff0c\u6b64\u65f6 Redis \u4f1a\u5c06\u547d\u4ee4\u653e\u5165\u961f\u5217\nget name  \/\/\u83b7\u53d6 name\uff0c\u6b64\u65f6 Redis \u4f1a\u5c06\u547d\u4ee4\u653e\u5165\u961f\u5217\nexec \/\/\u63d0\u4ea4\u4e8b\u52a1\uff0c\u6b64\u65f6\u4f1a\u4f9d\u6b21\u6267\u884c\u961f\u5217\u91cc\u7684\u547d\u4ee4\uff0c\u5e76\u4f9d\u6b21\u8fd4\u56de\u7ed3\u679c\n<\/pre>\n<p>\u6267\u884c\u5b8c\u6210\u4e4b\u540e\u5f97\u5230\u5982\u4e0b\u6548\u679c\uff1a<\/p>\n<p style=\"text-align: center\"><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20221231\/167247003163afde0ff2c71.png\" class=\"aligncenter\"><\/p>\n<h2>Redis \u4e8b\u52a1\u5b9e\u73b0\u539f\u7406<\/h2>\n<p><code>Redis<\/code> \u4e2d\u6bcf\u4e2a\u5ba2\u6237\u7aef\u90fd\u6709\u8bb0\u5f55\u5f53\u524d\u5ba2\u6237\u7aef\u7684\u4e8b\u52a1\u72b6\u6001 <code>multiState<\/code>\uff0c\u4e0b\u9762\u5c31\u662f\u4e00\u4e2a\u5ba2\u6237\u7aef <code>client<\/code> \u7684\u6570\u636e\u7ed3\u6784\u5b9a\u4e49\uff1a<\/p>\n<pre>\ntypedef struct client {\n    uint64_t id;\/\/\u5ba2\u6237\u7aef\u552f\u4e00 id\n    multiState mstate; \/\/MULTI \u548c EXEC \u72b6\u6001(\u5373\u4e8b\u52a1\u72b6\u6001)\n    \/\/...\u7701\u7565\u5176\u4ed6\u5c5e\u6027\n} client;\n<\/pre>\n<p><code>multiState<\/code> \u6570\u636e\u7ed3\u6784\u5b9a\u4e49\u5982\u4e0b\uff1a<\/p>\n<pre>\ntypedef struct multiState {\n    multiCmd *commands;\/\/\u5b58\u50a8\u547d\u4ee4\u7684 FIFO \u961f\u5217\n    int count;\/\/\u547d\u4ee4\u603b\u6570\n    \/\/...\u7701\u7565\u4e86\u5176\u4ed6\u5c5e\u6027\n} multiState;\n<\/pre>\n<p><code>multiCmd<\/code> \u662f\u4e00\u4e2a\u961f\u5217\uff0c\u7528\u6765\u63a5\u6536\u5e76\u5b58\u50a8\u5f00\u542f\u4e8b\u52a1\u4e4b\u540e\u53d1\u9001\u7684\u547d\u4ee4\uff0c\u5176\u6570\u636e\u7ed3\u6784\u5b9a\u4e49\u5982\u4e0b\uff1a<\/p>\n<pre>\ntypedef struct multiCmd {\n    robj **argv;\/\/\u7528\u6765\u5b58\u50a8\u53c2\u6570\u7684\u6570\u7ec4\n    int argc;\/\/\u53c2\u6570\u7684\u6570\u91cf\n    struct redisCommand *cmd;\/\/\u547d\u4ee4\u6307\u9488\n} multiCmd;\n<\/pre>\n<p>\u6211\u4eec\u4ee5\u4e0a\u9762\u4e8b\u52a1\u7684\u793a\u4f8b\u622a\u56fe\u4e2d\u4e8b\u52a1\u4e3a\u4f8b\uff0c\u53ef\u4ee5\u5f97\u5230\u5982\u4e0b\u6240\u793a\u7684\u4e00\u4e2a\u7b80\u56fe\uff1a<\/p>\n<p style=\"text-align: center\"><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20221231\/167247003263afde1062907.png\" class=\"aligncenter\"><\/p>\n<h2>Redis \u4e8b\u52a1 ACID \u7279\u6027<\/h2>\n<p>\u4f20\u7edf\u7684\u5173\u7cfb\u578b\u6570\u636e\u5e93\u4e2d\uff0c\u4e00\u4e2a\u4e8b\u52a1\u4e00\u822c\u90fd\u5177\u6709 <code>ACID<\/code> \u7279\u6027\u3002\u90a3\u4e48\u73b0\u5728\u5c31\u8ba9\u6211\u4eec\u6765\u5206\u6790\u4e00\u4e0b <code>Redis<\/code> \u662f\u5426\u4e5f\u6ee1\u8db3\u8fd9 <code>ACID<\/code> \u56db\u5927\u7279\u6027\u3002<\/p>\n<h3>A &#8211; \u539f\u5b50\u6027<\/h3>\n<p>\u5728\u8ba8\u8bba\u4e8b\u52a1\u7684\u539f\u5b50\u6027\u4e4b\u524d\uff0c\u6211\u4eec\u5148\u6765\u770b <code>2<\/code> \u4e2a\u4f8b\u5b50\u3002<\/p>\n<p>\u6a21\u62df\u4e8b\u52a1\u5728\u6267\u884c\u547d\u4ee4\u524d\u53d1\u751f\u5f02\u5e38\u3002\u4f9d\u6b21\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre>\nmulti \/\/\u5f00\u542f\u4e8b\u52a1\nset name lonely_wolf \/\/\u8bbe\u7f6e name\uff0c\u6b64\u65f6 Redis \u4f1a\u5c06\u547d\u4ee4\u653e\u5165\u961f\u5217\nget  \/\/\u6267\u884c\u4e00\u4e2a\u4e0d\u5b8c\u6210\u7684\u547d\u4ee4\uff0c\u6b64\u65f6\u4f1a\u62a5\u9519\nexec \/\/\u5728\u53d1\u751f\u5f02\u5e38\u540e\u63d0\u4ea4\u4e8b\u52a1\n<\/pre>\n<p>\u6700\u7ec8\u5f97\u5230\u4e86\u5982\u4e0b\u56fe\u6240\u793a\u7684\u7ed3\u679c\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u5230\uff0c\u5f53\u547d\u4ee4\u5165\u961f\u7684\u65f6\u5019\u62a5\u9519\u65f6\uff0c\u4e8b\u52a1\u5df2\u7ecf\u88ab\u53d6\u6d88\u4e86\uff1a<\/p>\n<p style=\"text-align: center\"><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20221231\/167247003363afde1197638.png\" class=\"aligncenter\"><\/p>\n<p>\u6a21\u62df\u4e8b\u52a1\u5728\u6267\u884c\u547d\u4ee4\u524d\u53d1\u751f\u5f02\u5e38\u3002\u4f9d\u6b21\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre>\nflushall \/\/\u4e3a\u4e86\u9632\u6b62\u5f71\u54cd\uff0c\u5148\u6e05\u7a7a\u6570\u636e\u5e93\nmulti \/\/\u5f00\u542f\u4e8b\u52a1\nset name lonely_wolf \/\/\u8bbe\u7f6e name\uff0c\u6b64\u65f6 Redis \u4f1a\u5c06\u547d\u4ee4\u653e\u5165\u961f\u5217\nincr name  \/\/\u8fd9\u4e2a\u547d\u4ee4\u53ea\u80fd\u7528\u4e8e value \u4e3a\u6574\u6570\u7684\u5b57\u7b26\u4e32\u5bf9\u8c61\uff0c\u6b64\u65f6\u6267\u884c\u4f1a\u62a5\u9519\nexec \/\/\u63d0\u4ea4\u4e8b\u52a1\uff0c\u6b64\u65f6\u5728\u6267\u884c\u7b2c\u4e00\u6761\u547d\u4ee4\u6210\u529f\uff0c\u6267\u884c\u7b2c\u4e8c\u6761\u547d\u4ee4\u5931\u8d25\nget name \/\/\u83b7\u53d6 name \u7684\u503c\n<\/pre>\n<p>\u6700\u7ec8\u5f97\u5230\u4e86\u5982\u4e0b\u56fe\u6240\u793a\u7684\u7ed3\u679c\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u5230\uff0c\u5f53\u6267\u884c\u4e8b\u52a1\u62a5\u9519\u7684\u65f6\u5019\uff0c\u4e4b\u524d\u5df2\u7ecf\u6210\u529f\u7684\u547d\u4ee4\u5e76\u6ca1\u6709\u88ab\u56de\u6eda\uff0c\u4e5f\u5c31\u662f\u8bf4<strong>\u5728\u6267\u884c\u4e8b\u52a1\u7684\u65f6\u5019\u67d0\u4e00\u4e2a\u547d\u4ee4\u5931\u8d25\u4e86\uff0c\u5e76\u4e0d\u4f1a\u5f71\u54cd\u5176\u4ed6\u547d\u4ee4\u7684\u6267\u884c\uff0c\u5373 <code>Redis<\/code> \u7684\u4e8b\u52a1\u5e76\u4e0d\u4f1a\u56de\u6eda<\/strong>\uff1a<\/p>\n<p style=\"text-align: center\"><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20221231\/167247003363afde11f3315.png\" class=\"aligncenter\"><\/p>\n<p>Redis \u4e2d\u7684\u4e8b\u52a1\u4e3a\u4ec0\u4e48\u4e0d\u4f1a\u6eda<\/p>\n<p>\u8fd9\u4e2a\u95ee\u9898\u7684\u7b54\u6848\u5728 <code>Redis<\/code> \u5b98\u7f51\u4e2d\u7ed9\u51fa\u4e86\u660e\u786e\u7684\u89e3\u91ca\uff1a<\/p>\n<p style=\"text-align: center\"><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20221231\/167247003463afde1294719.png\" class=\"aligncenter\"><\/p>\n<p>\u603b\u7ed3\u8d77\u6765\u4e3b\u8981\u5c31\u662f <code>3<\/code> \u4e2a\u539f\u56e0\uff1a<\/p>\n<ul>\n<li><code>Redis<\/code> \u4f5c\u8005\u8ba4\u4e3a\u53d1\u751f\u4e8b\u52a1\u56de\u6eda\u7684\u539f\u56e0\u5927\u90e8\u5206\u90fd\u662f\u7a0b\u5e8f\u9519\u8bef\u5bfc\u81f4\uff0c\u8fd9\u79cd\u60c5\u51b5\u4e00\u822c\u53d1\u751f\u5728\u5f00\u53d1\u548c\u6d4b\u8bd5\u9636\u6bb5\uff0c\u800c\u751f\u4ea7\u73af\u5883\u5f88\u5c11\u51fa\u73b0\u3002<\/li>\n<li>\u5bf9\u4e8e\u903b\u8f91\u6027\u9519\u8bef\uff0c\u6bd4\u5982\u672c\u6765\u5e94\u8be5\u628a\u4e00\u4e2a\u6570\u52a0 <code>1<\/code> \uff0c\u4f46\u662f\u7a0b\u5e8f\u903b\u8f91\u5199\u6210\u4e86\u52a0 <code>2<\/code>\uff0c\u90a3\u4e48\u8fd9\u79cd\u9519\u8bef\u4e5f\u662f\u65e0\u6cd5\u901a\u8fc7\u4e8b\u52a1\u56de\u6eda\u6765\u8fdb\u884c\u89e3\u51b3\u7684\u3002<\/li>\n<li><code>Redis<\/code> \u8ffd\u6c42\u7684\u662f\u7b80\u5355\u9ad8\u6548\uff0c\u800c\u4f20\u7edf\u4e8b\u52a1\u7684\u5b9e\u73b0\u76f8\u5bf9\u6bd4\u8f83\u590d\u6742\uff0c\u8fd9\u548c <code>Redis<\/code> \u7684\u8bbe\u8ba1\u601d\u60f3\u76f8\u8fdd\u80cc\u3002<\/li>\n<\/ul>\n<h3>&nbsp;C &#8211; \u4e00\u81f4\u6027<\/h3>\n<p>\u4e00\u81f4\u6027\u6307\u7684\u5c31\u662f\u4e8b\u52a1\u6267\u884c\u524d\u540e\u7684\u6570\u636e\u7b26\u5408\u6570\u636e\u5e93\u7684\u5b9a\u4e49\u548c\u8981\u6c42\u3002\u8fd9\u4e00\u70b9 <code>Redis<\/code> \u4e2d\u7684\u4e8b\u52a1\u662f\u7b26\u5408\u8981\u6c42\u7684\uff0c\u4e0a\u9762\u8bb2\u8ff0\u539f\u5b50\u6027\u7684\u65f6\u5019\u5df2\u7ecf\u63d0\u5230\uff0c\u4e0d\u8bba\u662f\u53d1\u751f\u8bed\u6cd5\u9519\u8bef\u8fd8\u662f\u8fd0\u884c\u65f6\u9519\u8bef\uff0c\u9519\u8bef\u7684\u547d\u4ee4\u5747\u4e0d\u4f1a\u88ab\u6267\u884c\u3002<\/p>\n<h3>I &#8211; \u9694\u79bb\u6027<\/h3>\n<p>\u4e8b\u52a1\u4e2d\u7684\u6240\u6709\u547d\u4ee4\u90fd\u4f1a\u6309\u987a\u5e8f\u6267\u884c\uff0c\u5728\u6267\u884c <code>Redis<\/code> \u4e8b\u52a1\u7684\u8fc7\u7a0b\u4e2d\uff0c\u53e6\u4e00\u4e2a\u5ba2\u6237\u7aef\u53d1\u51fa\u7684\u8bf7\u6c42\u4e0d\u53ef\u80fd\u88ab\u670d\u52a1\uff0c\u8fd9\u4fdd\u8bc1\u4e86\u547d\u4ee4\u662f\u4f5c\u4e3a\u5355\u72ec\u7684\u72ec\u7acb\u64cd\u4f5c\u6267\u884c\u7684\u3002\u6240\u4ee5 <code>Redis<\/code> \u5f53\u4e2d\u7684\u4e8b\u52a1\u662f\u7b26\u5408\u9694\u79bb\u6027\u8981\u6c42\u7684\u3002<\/p>\n<h3>D &#8211; \u6301\u4e45\u6027<\/h3>\n<p>\u5982\u679c <code>Redis<\/code> \u5f53\u4e2d\u6ca1\u6709\u88ab\u5f00\u542f\u6301\u4e45\u5316\uff0c\u90a3\u4e48\u5c31\u662f\u7eaf\u5185\u5b58\u8fd0\u884c\u7684\uff0c\u4e00\u65e6\u91cd\u542f\uff0c\u6240\u6709\u6570\u636e\u90fd\u4f1a\u4e22\u5931\uff0c\u6b64\u65f6\u53ef\u4ee5\u8ba4\u4e3a <code>Redis<\/code> \u4e0d\u5177\u5907\u4e8b\u52a1\u7684\u6301\u4e45\u6027\uff1b\u800c\u5982\u679c <code>Redis<\/code> \u5f00\u542f\u4e86\u6301\u4e45\u5316\uff0c\u90a3\u4e48\u53ef\u4ee5\u8ba4\u4e3a <code>Redis<\/code> \u5728\u7279\u5b9a\u6761\u4ef6\u4e0b\u662f\u5177\u5907\u6301\u4e45\u6027\u7684\u3002<\/p>\n<h2>watch \u547d\u4ee4<\/h2>\n<p>\u4e0a\u9762\u6211\u4eec\u8bb2\u8ff0 <code>Redis<\/code> \u4e2d\u4e8b\u52a1\u65f6\uff0c\u63d0\u5230\u7684\u7684\u5e38\u7528\u547d\u4ee4\u8fd8\u6709\u4e00\u4e2a <code>watch<\/code> \u547d\u4ee4\uff0c\u8fd9\u4e2a\u53c8\u662f\u505a\u4ec0\u4e48\u7528\u7684\u5462\uff1f\u6211\u4eec\u8fd8\u662f\u5148\u6765\u770b\u4e00\u4e2a\u4f8b\u5b50\u3002<\/p>\n<p>\u9996\u5148\u6253\u5f00\u4e00\u4e2a\u5ba2\u6237\u7aef\u4e00\uff0c\u4f9d\u6b21\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre>\nflushall  \/\/\u6e05\u7a7a\u6570\u636e\u5e93\nmulti     \/\/\u5f00\u542f\u4e8b\u52a1\nget name  \/\/\u83b7\u53d6 name\uff0c\u6b64\u65f6\u6b63\u5e38\u8fd4\u56de nil\nset name lonely_wolf \/\/\u8bbe\u7f6e name\nget name \/\/\u83b7\u53d6 name\uff0c\u6b64\u65f6\u6b63\u5e38\u5e94\u8be5\u8fd4\u56de lonely_wolf\n<\/pre>\n<p>\u5f97\u5230\u5982\u4e0b\u6548\u679c\u56fe\uff1a<\/p>\n<p style=\"text-align: center\"><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20221231\/167247003463afde12f2b8a.png\" class=\"aligncenter\"><\/p>\n<p>\u8fd9\u65f6\u5019\u6211\u4eec\u5148\u4e0d\u6267\u884c\u4e8b\u52a1\uff0c\u6253\u5f00\u53e6\u4e00\u4e2a\u5ba2\u6237\u7aef\u4e8c\uff0c\u6765\u6267\u884c\u4e00\u4e2a\u547d\u4ee4 <code>set name zhangsan<\/code>\uff1a<\/p>\n<p style=\"text-align: center\"><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20221231\/167247003563afde1343f97.png\" class=\"aligncenter\"><\/p>\n<p>\u5ba2\u6237\u7aef\u4e8c\u6267\u884c\u6210\u529f\u4e86\uff0c\u8fd9\u65f6\u5019\u518d\u8fd4\u56de\u5230\u5ba2\u6237\u7aef\u4e00\u6267\u884c <code>exec<\/code> \u547d\u4ee4\uff1a<\/p>\n<p style=\"text-align: center\"><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20221231\/167247003563afde138705c.png\" class=\"aligncenter\"><\/p>\n<p>\u53ef\u4ee5\u53d1\u73b0\uff0c\u7b2c\u4e00\u53e5\u8bdd\u8fd4\u56de\u4e86 <code>zhangsan<\/code>\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c<code>name<\/code> \u8fd9\u4e2a <code>key<\/code> \u503c\u5728\u5165\u961f\u4e4b\u540e\u5230 <code>exec<\/code> \u4e4b\u524d\u53d1\u751f\u4e86\u53d8\u5316\uff0c\u4e00\u65e6\u53d1\u751f\u8fd9\u79cd\u60c5\u51b5\uff0c\u53ef\u80fd\u4f1a\u5f15\u8d77\u5f88\u4e25\u91cd\u7684\u95ee\u9898\uff0c\u6240\u4ee5\u5728\u5173\u7cfb\u578b\u6570\u636e\u5e93\u53ef\u4ee5\u901a\u8fc7\u9501\u6765\u89e3\u51b3\u8fd9\u79cd\u95ee\u9898\uff0c\u90a3\u4e48 <code>Redis<\/code> \u5f53\u4e2d\u8bd5\u5982\u4f55\u89e3\u51b3\u7684\u5462\uff1f<\/p>\n<p>\u662f\u7684\uff0c\u5728 <code>Redis<\/code> \u5f53\u4e2d\u5c31\u662f\u901a\u8fc7 <code>watch<\/code> \u547d\u4ee4\u6765\u5904\u7406\u8fd9\u79cd\u573a\u666f\u7684\u3002<\/p>\n<h3>watch \u547d\u4ee4\u7684\u4f5c\u7528<\/h3>\n<p><code>watch<\/code> \u547d\u4ee4\u53ef\u4ee5\u4e3a <code>Redis<\/code> \u4e8b\u52a1\u63d0\u4f9b <code>CAS<\/code> \u4e50\u89c2\u9501\u884c\u4e3a\uff0c\u5b83\u53ef\u4ee5\u5728 <code>exec<\/code> \u547d\u4ee4\u6267\u884c\u4e4b\u524d\uff0c\u76d1\u89c6\u4efb\u610f <code>key<\/code> \u503c\u7684\u53d8\u5316\uff0c\u4e5f\u5c31\u662f\u8bf4\u5f53\u591a\u4e2a\u7ebf\u7a0b\u66f4\u65b0\u540c\u4e00\u4e2a <code>key<\/code> \u503c\u7684\u65f6\u5019\uff0c\u4f1a\u8ddf\u539f\u503c\u505a\u6bd4\u8f83\uff0c\u4e00\u65e6\u53d1\u73b0\u5b83\u88ab\u4fee\u6539\u8fc7\uff0c\u5219\u62d2\u7edd\u6267\u884c\u547d\u4ee4\uff0c\u5e76\u4e14\u4f1a\u8fd4\u56de <code>nil<\/code> \u7ed9\u5ba2\u6237\u7aef\u3002<\/p>\n<p>\u4e0b\u9762\u8fd8\u662f\u8ba9\u6211\u4eec\u901a\u8fc7\u4e00\u4e2a\u793a\u4f8b\u6765\u6f14\u793a\u4e00\u4e0b\u3002<\/p>\n<p>\u6253\u5f00\u4e00\u4e2a\u5ba2\u6237\u7aef\u4e00\uff0c\u4f9d\u6b21\u6267\u884c\u5982\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre>\nflushall  \/\/\u6e05\u7a7a\u6570\u636e\u5e93\nwatch name \/\/\u76d1\u89c6 name\nmulti     \/\/\u5f00\u542f\u4e8b\u52a1\nset name lonely_wolf \/\/\u8bbe\u7f6e name\nset age 18 \/\/ \u8bbe\u7f6e age\nget name   \/\/\u83b7\u53d6 name\nget age    \/\/\u83b7\u53d6 age\n<\/pre>\n<p>\u6267\u884c\u4e4b\u540e\u5f97\u5230\u5982\u4e0b\u6548\u679c\u56fe\uff1a<\/p>\n<p style=\"text-align: center\"><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20221231\/167247003563afde13dd148.png\" class=\"aligncenter\"><\/p>\n<p>\u8fd9\u65f6\u5019\u518d\u6253\u5f00\u4e00\u4e2a\u5ba2\u6237\u7aef\u4e8c\uff0c\u6267\u884c <code>set name zhangsan<\/code>\u547d\u4ee4\uff1a<\/p>\n<p style=\"text-align: center\"><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20221231\/167247003663afde145c2d0.png\" class=\"aligncenter\"><\/p>\n<p>\u7136\u540e\u518d\u56de\u5230\u5ba2\u6237\u7aef\u4e00\u6267\u884c <code>exec<\/code>\u547d\u4ee4\u3002\u8fd9\u65f6\u5019\u4f1a\u53d1\u73b0\u76f4\u63a5\u8fd4\u56de\u4e86 <code>nil<\/code>\uff0c\u4e5f\u5c31\u662f\u4e8b\u52a1\u4e2d\u6240\u6709\u7684\u547d\u4ee4\u90fd\u6ca1\u6709\u88ab\u6267\u884c\uff08\u5373\uff1a\u53ea\u8981\u68c0\u6d4b\u5230\u4e00\u4e2a <code>key<\/code> \u503c\u88ab\u4fee\u6539\u8fc7\uff0c\u90a3\u4e48\u6574\u4e2a\u4e8b\u52a1\u90fd\u4e0d\u4f1a\u88ab\u6267\u884c\uff09\uff1a<\/p>\n<p style=\"text-align: center\"><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20221231\/167247003663afde14afb81.png\" class=\"aligncenter\"><\/p>\n<h3>watch \u539f\u7406\u5206\u6790<\/h3>\n<p>\u4e0b\u9762\u662f\u4e00\u4e2a <code>Redis<\/code> \u670d\u52a1\u7684\u6570\u636e\u7ed3\u6784\u5b9a\u4e49\uff1a<\/p>\n<pre>\ntypedef struct redisDb {\n    dict *watched_keys;  \/\/\u88ab watch \u547d\u4ee4\u76d1\u89c6\u7684 key\n    int id;           \/\/Database ID\n    \/\/...\u7701\u7565\u4e86\u5176\u4ed6\u5c5e\u6027\n} redisDb;\n<\/pre>\n<p>\u53ef\u4ee5\u770b\u5230\uff0c<code>redisDb<\/code> \u4e2d\u7684 <code>watched_keys<\/code> \u5b58\u50a8\u4e86\u4e00\u4e2a\u5b57\u5178\uff0c\u8fd9\u4e2a\u5b57\u5178\u5f53\u4e2d\u7684 <code>key<\/code> \u5b58\u7684\u5c31\u662f\u88ab\u76d1\u89c6\u7684 <code>key<\/code> \uff0c\u7136\u540e\u5b57\u5178\u7684\u503c\u5b58\u7684\u5c31\u662f\u5ba2\u6237\u7aef <code>id<\/code>\u3002\u7136\u540e\u6bcf\u4e2a\u5ba2\u6237\u7aef\u8fd8\u6709\u4e00\u4e2a\u6807\u8bb0\u5c5e\u6027 <code>CLIENT_DIRTY_CAS<\/code>\uff0c\u4e00\u65e6\u6211\u4eec\u6267\u884c\u4e86\u4e00\u4e9b\u5982 <code>set<\/code>\uff0c<code>sadd<\/code> \u7b49\u80fd\u4fee\u6539 <code>key<\/code> \u503c\u5bf9\u5e94 <code>value<\/code> \u7684\u547d\u4ee4\uff0c\u90a3\u4e48\u5ba2\u6237\u7aef\u7684 <code>CLIENT_DIRTY_CAS<\/code> \u6807\u8bb0\u5c5e\u6027\u5c06\u4f1a\u88ab\u4fee\u6539\uff0c\u540e\u9762\u6267\u884c\u4e8b\u52a1\u63d0\u4ea4\u547d\u4ee4 <code>exec<\/code> \u65f6\u53d1\u73b0\u5ba2\u6237\u7aef\u7684\u6807\u8bb0\u5c5e\u6027\u88ab\u4fee\u6539\u8fc7\uff08\u4e50\u89c2\u9501\u7684\u4f53\u73b0\uff09\uff0c\u5219\u4f1a\u62d2\u7edd\u6267\u884c\u4e8b\u52a1\u3002<\/p>\n<h2>\u603b\u7ed3<\/h2>\n<p>\u672c\u6587\u4e3b\u8981\u4ecb\u7ecd\u4e86 <code>Redis<\/code> \u5f53\u4e2d\u7684\u4e8b\u52a1\u673a\u5236\uff0c\u5728\u4ecb\u7ecd\u4e8b\u52a1\u5b9e\u73b0\u539f\u7406\u7684\u540c\u65f6\u4ece\u4f20\u7edf\u5173\u7cfb\u578b\u6570\u636e\u5e93\u7684 <code>ACID<\/code> \u56db\u5927\u7279\u6027\u5bf9\u6bd4\u5206\u6790\u4e86 <code>Redis<\/code> \u5f53\u4e2d\u7684\u4e8b\u52a1\uff0c\u5e76\u6700\u7ec8\u4e86\u89e3\u5230\u4e86 <code>Redis<\/code> \u7684\u4e8b\u52a1\u4f3c\u4e4e\u5e76\u4e0d\u662f\u90a3\u4e48\u201c\u5b8c\u7f8e\u201d\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Redis\u4e8b\u52a1\u4e3a\u4ec0\u4e48\u4e0d\u652f\u6301\u56de\u6eda &#46;&#46;&#46;<\/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-201208","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201208","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=201208"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201208\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=201208"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=201208"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=201208"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}