{"id":188232,"date":"2024-11-11T20:56:23","date_gmt":"2024-11-11T12:56:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/188232\/"},"modified":"2024-11-11T20:56:25","modified_gmt":"2024-11-11T12:56:25","slug":"%e9%8e%96%e8%a7%a3%e9%96%8bredis%e8%ae%80%e5%8d%a1%e6%ad%bb%e9%8e%96%e4%b9%8b%e8%ac%8e%ef%bc%88redis%e8%ae%80%e5%8d%a1%e6%ad%bb%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/188232\/","title":{"rendered":"\u9396\u89e3\u958bRedis\u8b80\u5361\u6b7b\u9396\u4e4b\u8b0e\uff08redis\u8b80\u5361\u6b7b\uff09"},"content":{"rendered":"<h1 id=\"%e9%8e%96%e8%a7%a3%e9%96%8bredis%e8%ae%80%e5%8d%a1%e6%ad%bb%e9%8e%96%e4%b9%8b%e8%ac%8e%ef%bc%88redis%e8%ae%80%e5%8d%a1%e6%ad%bb%ef%bc%89-FmkDIttOYF\">\u9396\u89e3\u958bRedis\u8b80\u5361\u6b7b\u9396\u4e4b\u8b0e\uff08redis\u8b80\u5361\u6b7b\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0cRedis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\uff0c\u5305\u62ec\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u5be6\u6642\u6578\u64da\u8655\u7406\u3002\u7136\u800c\uff0c\u96a8\u8457\u61c9\u7528\u7a0b\u5e8f\u7684\u8907\u96dc\u6027\u589e\u52a0\uff0c\u958b\u767c\u8005\u5011\u7d93\u5e38\u6703\u9047\u5230\u300c\u8b80\u5361\u6b7b\u300d\u7684\u554f\u984c\uff0c\u9019\u662f\u4e00\u7a2e\u7531\u65bc\u9396\u7af6\u722d\u5c0e\u81f4\u7684\u6027\u80fd\u74f6\u9838\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eRedis\u8b80\u5361\u6b7b\u9396\u7684\u6210\u56e0\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afredis%e8%ae%80%e5%8d%a1%e6%ad%bb%e9%8e%96%ef%bc%9f-FmkDIttOYF\">\u4ec0\u9ebc\u662fRedis\u8b80\u5361\u6b7b\u9396\uff1f<\/h2>\n<p>\u5728Redis\u4e2d\uff0c\u8b80\u5361\u6b7b\u9396\u901a\u5e38\u767c\u751f\u5728\u591a\u500b\u5ba2\u6236\u7aef\u540c\u6642\u5617\u8a66\u8b80\u53d6\u540c\u4e00\u8cc7\u6e90\u6642\uff0c\u7279\u5225\u662f\u5728\u4f7f\u7528\u9396\u7684\u60c5\u6cc1\u4e0b\u3002\u7576\u4e00\u500b\u5ba2\u6236\u7aef\u7372\u5f97\u9396\u4e26\u958b\u59cb\u57f7\u884c\u8b80\u53d6\u64cd\u4f5c\u6642\uff0c\u5176\u4ed6\u5ba2\u6236\u7aef\u53ef\u80fd\u6703\u88ab\u8feb\u7b49\u5f85\uff0c\u9019\u53ef\u80fd\u5c0e\u81f4\u7cfb\u7d71\u6027\u80fd\u4e0b\u964d\uff0c\u751a\u81f3\u51fa\u73fe\u6b7b\u9396\u60c5\u6cc1\u3002<\/p>\n<h2 id=\"%e8%ae%80%e5%8d%a1%e6%ad%bb%e9%8e%96%e7%9a%84%e6%88%90%e5%9b%a0-FmkDIttOYF\">\u8b80\u5361\u6b7b\u9396\u7684\u6210\u56e0<\/h2>\n<ul>\n<li><strong>\u9396\u7684\u4f7f\u7528\u4e0d\u7576\uff1a<\/strong>\u5728Redis\u4e2d\uff0c\u4f7f\u7528\u9396\u7684\u4e3b\u8981\u76ee\u7684\u662f\u4fdd\u8b77\u5171\u4eab\u8cc7\u6e90\uff0c\u4f46\u5982\u679c\u9396\u7684\u7bc4\u570d\u904e\u5927\u6216\u6301\u6709\u6642\u9593\u904e\u9577\uff0c\u5c07\u5c0e\u81f4\u5176\u4ed6\u8acb\u6c42\u7121\u6cd5\u7372\u5f97\u9396\u3002<\/li>\n<li><strong>\u9ad8\u4e26\u767c\u8acb\u6c42\uff1a<\/strong>\u7576\u591a\u500b\u5ba2\u6236\u7aef\u540c\u6642\u767c\u9001\u8acb\u6c42\u6642\uff0c\u9396\u7684\u7af6\u722d\u6703\u52a0\u5287\uff0c\u5f9e\u800c\u589e\u52a0\u4e86\u8b80\u5361\u6b7b\u9396\u7684\u98a8\u96aa\u3002<\/li>\n<li><strong>\u4e0d\u5408\u7406\u7684\u8a2d\u8a08\uff1a<\/strong>\u5982\u679c\u61c9\u7528\u7a0b\u5e8f\u7684\u8a2d\u8a08\u672a\u80fd\u6709\u6548\u5730\u7ba1\u7406\u9396\u7684\u4f7f\u7528\uff0c\u5c07\u6703\u5c0e\u81f4\u6027\u80fd\u74f6\u9838\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e8%a7%a3%e6%b1%baredis%e8%ae%80%e5%8d%a1%e6%ad%bb%e9%8e%96%e5%95%8f%e9%a1%8c-FmkDIttOYF\">\u5982\u4f55\u89e3\u6c7aRedis\u8b80\u5361\u6b7b\u9396\u554f\u984c<\/h2>\n<p>\u70ba\u4e86\u89e3\u6c7aRedis\u4e2d\u7684\u8b80\u5361\u6b7b\u9396\u554f\u984c\uff0c\u53ef\u4ee5\u8003\u616e\u4ee5\u4e0b\u5e7e\u7a2e\u65b9\u6cd5\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8%e6%9b%b4%e7%b4%b0%e7%b2%92%e5%ba%a6%e7%9a%84%e9%8e%96-FmkDIttOYF\">1. \u4f7f\u7528\u66f4\u7d30\u7c92\u5ea6\u7684\u9396<\/h3>\n<p>\u5c07\u9396\u7684\u7bc4\u570d\u7e2e\u5c0f\u5230\u6700\u5c0f\u5fc5\u8981\u7bc4\u570d\uff0c\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u9396\u7af6\u722d\u7684\u6a5f\u6703\u3002\u4f8b\u5982\uff0c\u5c0d\u65bc\u4e00\u500b\u5927\u578b\u6578\u64da\u96c6\uff0c\u53ef\u4ee5\u5c07\u5176\u62c6\u5206\u70ba\u591a\u500b\u5c0f\u7684\u6578\u64da\u584a\uff0c\u4e26\u5c0d\u6bcf\u500b\u6578\u64da\u584a\u4f7f\u7528\u7368\u7acb\u7684\u9396\u3002<\/p>\n<pre><code>SET lock_key \"lock_value\" NX PX 30000\n<\/code><\/pre>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8%e9%9d%9e%e9%98%bb%e5%a1%9e%e9%8e%96-FmkDIttOYF\">2. \u4f7f\u7528\u975e\u963b\u585e\u9396<\/h3>\n<p>\u975e\u963b\u585e\u9396\u5141\u8a31\u5ba2\u6236\u7aef\u5728\u7121\u6cd5\u7372\u5f97\u9396\u6642\u7acb\u5373\u8fd4\u56de\uff0c\u800c\u4e0d\u662f\u7b49\u5f85\u9396\u91cb\u653e\u3002\u9019\u6a23\u53ef\u4ee5\u907f\u514d\u56e0\u70ba\u9396\u7af6\u722d\u800c\u5c0e\u81f4\u7684\u6027\u80fd\u4e0b\u964d\u3002<\/p>\n<pre><code>if (SET lock_key \"lock_value\" NX PX 30000) {\n    \/\/ \u7372\u5f97\u9396\uff0c\u57f7\u884c\u64cd\u4f5c\n} else {\n    \/\/ \u9396\u5df2\u88ab\u4f54\u7528\uff0c\u57f7\u884c\u5176\u4ed6\u64cd\u4f5c\n}\n<\/code><\/pre>\n<h3 id=\"3-%e8%a8%ad%e7%bd%ae%e9%8e%96%e7%9a%84%e8%b6%85%e6%99%82-FmkDIttOYF\">3. \u8a2d\u7f6e\u9396\u7684\u8d85\u6642<\/h3>\n<p>\u70ba\u9396\u8a2d\u7f6e\u4e00\u500b\u5408\u7406\u7684\u8d85\u6642\u6642\u9593\uff0c\u9019\u6a23\u5373\u4f7f\u67d0\u500b\u5ba2\u6236\u7aef\u56e0\u6545\u672a\u80fd\u91cb\u653e\u9396\uff0c\u5176\u4ed6\u5ba2\u6236\u7aef\u4e5f\u80fd\u5728\u8d85\u6642\u5f8c\u7372\u5f97\u9396\uff0c\u5f9e\u800c\u907f\u514d\u6b7b\u9396\u60c5\u6cc1\u3002<\/p>\n<pre><code>SET lock_key \"lock_value\" NX PX 30000\n<\/code><\/pre>\n<h3 id=\"4-%e4%bd%bf%e7%94%a8redis%e7%9a%84lua%e8%85%b3%e6%9c%ac-FmkDIttOYF\">4. \u4f7f\u7528Redis\u7684Lua\u8173\u672c<\/h3>\n<p>\u5229\u7528Redis\u7684Lua\u8173\u672c\u53ef\u4ee5\u5728\u670d\u52d9\u5668\u7aef\u57f7\u884c\u539f\u5b50\u64cd\u4f5c\uff0c\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u5ba2\u6236\u7aef\u8207\u670d\u52d9\u5668\u4e4b\u9593\u7684\u4ea4\u4e92\uff0c\u5f9e\u800c\u964d\u4f4e\u9396\u7af6\u722d\u7684\u6a5f\u6703\u3002<\/p>\n<pre><code>eval \"if redis.call('get', KEYS[1]) == ARGV[1] then return redis.call('del', KEYS[1]) end\" 1 lock_key lock_value\n<\/code><\/pre>\n<h2 id=\"%e7%b5%90%e8%ab%96-FmkDIttOYF\">\u7d50\u8ad6<\/h2>\n<p>Redis\u7684\u8b80\u5361\u6b7b\u9396\u554f\u984c\u662f\u591a\u7a2e\u56e0\u7d20\u5171\u540c\u4f5c\u7528\u7684\u7d50\u679c\uff0c\u901a\u904e\u5408\u7406\u7684\u8a2d\u8a08\u548c\u9396\u7ba1\u7406\u7b56\u7565\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u6e1b\u5c11\u9019\u4e00\u554f\u984c\u7684\u5f71\u97ff\u3002\u958b\u767c\u8005\u61c9\u8a72\u6839\u64da\u5177\u9ad4\u7684\u61c9\u7528\u5834\u666f\u9078\u64c7\u5408\u9069\u7684\u9396\u7b56\u7565\uff0c\u4ee5\u63d0\u9ad8\u7cfb\u7d71\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u95dc\u65bc\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5982\u4f55\u89e3\u958bRedis\u8b80\u5361\u6b7b\u9396\u7684\u8b0e\u5718\uff0c\u63d0\u5347\u7cfb\u7d71\u6548\u80fd\uff0c\u907f\u514d\u8b80\u53d6\u904e\u7a0b\u4e2d\u7684\u6b7b\u9396\u554f\u984c\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-188232","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/188232","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=188232"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/188232\/revisions"}],"predecessor-version":[{"id":188233,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/188232\/revisions\/188233"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=188232"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=188232"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=188232"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}