{"id":126927,"date":"2024-10-26T08:48:26","date_gmt":"2024-10-26T00:48:26","guid":{"rendered":"https:\/\/server.hk\/cnblog\/126927\/"},"modified":"2024-10-26T08:48:27","modified_gmt":"2024-10-26T00:48:27","slug":"redis-%e8%ae%93%e5%88%86%e5%b8%83%e5%bc%8f%e4%ba%8b%e5%8b%99%e6%88%90%e7%82%ba%e5%8f%af%e8%83%bd","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/126927\/","title":{"rendered":"Redis \u8b93\u5206\u5e03\u5f0f\u4e8b\u52d9\u6210\u70ba\u53ef\u80fd"},"content":{"rendered":"<h1 id=\"redis-%e8%ae%93%e5%88%86%e5%b8%83%e5%bc%8f%e4%ba%8b%e5%8b%99%e6%88%90%e7%82%ba%e5%8f%af%e8%83%bd-fKpDMjSStq\">Redis \u8b93\u5206\u5e03\u5f0f\u4e8b\u52d9\u6210\u70ba\u53ef\u80fd<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u96f2\u8a08\u7b97\u548c\u5206\u5e03\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u6578\u64da\u7684\u4e00\u81f4\u6027\u548c\u53ef\u9760\u6027\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u96a8\u8457\u61c9\u7528\u7a0b\u5e8f\u7684\u8907\u96dc\u6027\u4e0d\u65b7\u589e\u52a0\uff0c\u958b\u767c\u8005\u9762\u81e8\u8457\u5982\u4f55\u5728\u5206\u5e03\u5f0f\u74b0\u5883\u4e2d\u6709\u6548\u7ba1\u7406\u4e8b\u52d9\u7684\u6311\u6230\u3002Redis\uff0c\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u529f\u80fd\u4f86\u652f\u6301\u5206\u5e03\u5f0f\u4e8b\u52d9\u7684\u5be6\u73fe\u3002\u672c\u6587\u5c07\u63a2\u8a0eRedis\u5982\u4f55\u4f7f\u5206\u5e03\u5f0f\u4e8b\u52d9\u6210\u70ba\u53ef\u80fd\uff0c\u4ee5\u53ca\u5176\u5728\u5be6\u969b\u61c9\u7528\u4e2d\u7684\u512a\u52e2\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e5%88%86%e5%b8%83%e5%bc%8f%e4%ba%8b%e5%8b%99%ef%bc%9f-fKpDMjSStq\">\u4ec0\u9ebc\u662f\u5206\u5e03\u5f0f\u4e8b\u52d9\uff1f<\/h2>\n<p>\u5206\u5e03\u5f0f\u4e8b\u52d9\u662f\u6307\u5728\u591a\u500b\u6578\u64da\u6e90\u4e4b\u9593\u9032\u884c\u7684\u4e8b\u52d9\u64cd\u4f5c\uff0c\u9019\u4e9b\u6578\u64da\u6e90\u53ef\u80fd\u4f4d\u65bc\u4e0d\u540c\u7684\u4f3a\u670d\u5668\u6216\u5730\u7406\u4f4d\u7f6e\u3002\u8207\u50b3\u7d71\u7684\u55ae\u4e00\u6578\u64da\u5eab\u4e8b\u52d9\u76f8\u6bd4\uff0c\u5206\u5e03\u5f0f\u4e8b\u52d9\u9700\u8981\u8003\u616e\u5230\u7db2\u7d61\u5ef6\u9072\u3001\u6578\u64da\u4e00\u81f4\u6027\u548c\u6545\u969c\u6062\u5fa9\u7b49\u554f\u984c\u3002\u70ba\u4e86\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\uff0c\u5206\u5e03\u5f0f\u4e8b\u52d9\u901a\u5e38\u9075\u5faaACID\uff08\u539f\u5b50\u6027\u3001\u4e00\u81f4\u6027\u3001\u9694\u96e2\u6027\u548c\u6301\u4e45\u6027\uff09\u539f\u5247\u3002<\/p>\n<h2 id=\"redis%e7%9a%84%e7%89%b9%e6%80%a7-fKpDMjSStq\">Redis\u7684\u7279\u6027<\/h2>\n<p>Redis\u662f\u4e00\u500b\u958b\u6e90\u7684\u9ad8\u6027\u80fd\u9375\u503c\u6578\u64da\u5eab\uff0c\u5177\u6709\u4ee5\u4e0b\u5e7e\u500b\u7279\u6027\uff0c\u4f7f\u5176\u6210\u70ba\u652f\u6301\u5206\u5e03\u5f0f\u4e8b\u52d9\u7684\u7406\u60f3\u9078\u64c7\uff1a<\/p>\n<ul>\n<li><strong>\u9ad8\u6027\u80fd\uff1a<\/strong>Redis\u7684\u5167\u5b58\u5b58\u5132\u7279\u6027\u4f7f\u5176\u80fd\u5920\u4ee5\u6975\u5feb\u7684\u901f\u5ea6\u8655\u7406\u5927\u91cf\u8acb\u6c42\uff0c\u9019\u5c0d\u65bc\u9700\u8981\u5feb\u901f\u97ff\u61c9\u7684\u5206\u5e03\u5f0f\u61c9\u7528\u81f3\u95dc\u91cd\u8981\u3002<\/li>\n<li><strong>\u6578\u64da\u7d50\u69cb\uff1a<\/strong>Redis\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5982\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u7b49\uff0c\u9019\u4f7f\u5f97\u958b\u767c\u8005\u53ef\u4ee5\u9748\u6d3b\u5730\u9078\u64c7\u6700\u9069\u5408\u7684\u6578\u64da\u6a21\u578b\u3002<\/li>\n<li><strong>\u539f\u5b50\u64cd\u4f5c\uff1a<\/strong>Redis\u63d0\u4f9b\u4e86\u591a\u7a2e\u539f\u5b50\u64cd\u4f5c\uff0c\u9019\u610f\u5473\u8457\u5728\u57f7\u884c\u64cd\u4f5c\u6642\u4e0d\u6703\u88ab\u5176\u4ed6\u64cd\u4f5c\u5e72\u64fe\uff0c\u5f9e\u800c\u4fdd\u8b49\u4e86\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002<\/li>\n<li><strong>\u4e8b\u52d9\u652f\u6301\uff1a<\/strong>Redis\u7684MULTI\u3001EXEC\u3001WATCH\u7b49\u547d\u4ee4\u4f7f\u5f97\u958b\u767c\u8005\u53ef\u4ee5\u5728\u4e00\u500b\u4e8b\u52d9\u4e2d\u57f7\u884c\u591a\u500b\u547d\u4ee4\uff0c\u4e26\u78ba\u4fdd\u9019\u4e9b\u547d\u4ee4\u7684\u539f\u5b50\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"redis%e5%a6%82%e4%bd%95%e6%94%af%e6%8c%81%e5%88%86%e5%b8%83%e5%bc%8f%e4%ba%8b%e5%8b%99-fKpDMjSStq\">Redis\u5982\u4f55\u652f\u6301\u5206\u5e03\u5f0f\u4e8b\u52d9<\/h2>\n<p>Redis\u901a\u904e\u4ee5\u4e0b\u5e7e\u7a2e\u65b9\u5f0f\u652f\u6301\u5206\u5e03\u5f0f\u4e8b\u52d9\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8multi%e5%92%8cexec%e5%91%bd%e4%bb%a4-fKpDMjSStq\">1. \u4f7f\u7528MULTI\u548cEXEC\u547d\u4ee4<\/h3>\n<p>Redis\u7684MULTI\u547d\u4ee4\u53ef\u4ee5\u5c07\u591a\u500b\u547d\u4ee4\u6253\u5305\u6210\u4e00\u500b\u4e8b\u52d9\uff0c\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u9019\u4e9b\u547d\u4ee4\u5728\u57f7\u884c\u6642\u4e0d\u6703\u88ab\u5176\u4ed6\u547d\u4ee4\u5e72\u64fe\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>redis&gt; MULTI\nredis&gt; SET key1 \"value1\"\nredis&gt; SET key2 \"value2\"\nredis&gt; EXEC<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0cSET\u547d\u4ee4\u5c07\u5728\u4e00\u500b\u4e8b\u52d9\u4e2d\u57f7\u884c\uff0c\u78ba\u4fdd\u4e86\u539f\u5b50\u6027\u3002<\/p>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8watch%e5%91%bd%e4%bb%a4-fKpDMjSStq\">2. \u4f7f\u7528WATCH\u547d\u4ee4<\/h3>\n<p>WATCH\u547d\u4ee4\u53ef\u4ee5\u7528\u4f86\u76e3\u8996\u4e00\u500b\u6216\u591a\u500b\u9375\uff0c\u7576\u9019\u4e9b\u9375\u7684\u503c\u5728\u4e8b\u52d9\u57f7\u884c\u4e4b\u524d\u88ab\u4fee\u6539\u6642\uff0c\u4e8b\u52d9\u5c07\u6703\u5931\u6557\u3002\u9019\u5c0d\u65bc\u9700\u8981\u78ba\u4fdd\u6578\u64da\u4e00\u81f4\u6027\u7684\u5834\u666f\u975e\u5e38\u6709\u7528\u3002<\/p>\n<pre><code>redis&gt; WATCH key1\nredis&gt; MULTI\nredis&gt; SET key1 \"new_value\"\nredis&gt; EXEC<\/code><\/pre>\n<p>\u5982\u679c\u5728EXEC\u4e4b\u524d\uff0ckey1\u7684\u503c\u88ab\u5176\u4ed6\u5ba2\u6236\u7aef\u4fee\u6539\uff0c\u5247EXEC\u5c07\u4e0d\u6703\u57f7\u884c\u3002<\/p>\n<h3 id=\"3-%e5%88%86%e5%b8%83%e5%bc%8f%e9%8e%96-fKpDMjSStq\">3. \u5206\u5e03\u5f0f\u9396<\/h3>\n<p>\u5728\u5206\u5e03\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u9396\u7684\u7ba1\u7406\u662f\u78ba\u4fdd\u6578\u64da\u4e00\u81f4\u6027\u7684\u91cd\u8981\u624b\u6bb5\u3002Redis\u53ef\u4ee5\u901a\u904eSETNX\u547d\u4ee4\u5be6\u73fe\u5206\u5e03\u5f0f\u9396\uff0c\u9019\u6a23\u53ef\u4ee5\u9632\u6b62\u591a\u500b\u5be6\u4f8b\u540c\u6642\u4fee\u6539\u540c\u4e00\u6578\u64da\u3002<\/p>\n<pre><code>redis&gt; SETNX lock_key \"locked\"\nredis&gt; EXPIRE lock_key 10<\/code><\/pre>\n<p>\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u9396\u572810\u79d2\u5f8c\u81ea\u52d5\u91cb\u653e\uff0c\u907f\u514d\u6b7b\u9396\u7684\u60c5\u6cc1\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-fKpDMjSStq\">\u7d50\u8ad6<\/h2>\n<p>Redis\u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u901a\u904e\u5176\u539f\u5b50\u64cd\u4f5c\u3001\u4e8b\u52d9\u652f\u6301\u548c\u5206\u5e03\u5f0f\u9396\u7b49\u7279\u6027\uff0c\u4f7f\u5f97\u5206\u5e03\u5f0f\u4e8b\u52d9\u7684\u5be6\u73fe\u8b8a\u5f97\u66f4\u52a0\u53ef\u884c\u3002\u96a8\u8457\u4f01\u696d\u5c0d\u65bc\u6578\u64da\u4e00\u81f4\u6027\u548c\u53ef\u9760\u6027\u7684\u9700\u6c42\u4e0d\u65b7\u589e\u52a0\uff0cRedis\u5728\u5206\u5e03\u5f0f\u7cfb\u7d71\u4e2d\u7684\u61c9\u7528\u5c07\u6703\u8d8a\u4f86\u8d8a\u5ee3\u6cdb\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc\u5982\u4f55\u5728\u60a8\u7684\u61c9\u7528\u4e2d\u5be6\u73fe\u5206\u5e03\u5f0f\u4e8b\u52d9\u6709\u8208\u8da3\uff0c\u6216\u8005\u60f3\u4e86\u89e3\u66f4\u591a\u95dc\u65bc<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u548c<a href=\"https:\/\/server.hk\">\u96f2\u4f3a\u670d\u5668<\/a>\u7684\u8cc7\u8a0a\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Redis \u8b93\u5206\u5e03\u5f0f\u4e8b\u52d9\u6210\u70ba\u53ef\u80fd\uff0c\u63d0\u4f9b\u9ad8\u6548\u80fd\u7684\u6578\u64da\u5b58\u5132\u89e3\u6c7a\u65b9\u6848\uff0c\u78ba\u4fdd\u6578\u64da\u4e00\u81f4\u6027\u8207\u53ef\u9760\u6027\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-126927","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/126927","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"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=126927"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/126927\/revisions"}],"predecessor-version":[{"id":126928,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/126927\/revisions\/126928"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=126927"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=126927"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=126927"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}