{"id":159413,"date":"2024-11-03T14:18:20","date_gmt":"2024-11-03T06:18:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/159413\/"},"modified":"2024-11-03T14:18:21","modified_gmt":"2024-11-03T06:18:21","slug":"%e7%b4%85%e8%89%b2%e7%8d%a8%e4%bd%94redis-%e5%8a%a0%e6%8c%81%e7%9a%84%e5%ae%89%e5%85%a8%e9%8e%96%ef%bc%88redis-%e7%8d%a8%e4%bd%94%e9%8e%96%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/159413\/","title":{"rendered":"\u7d05\u8272\u7368\u4f54Redis \u52a0\u6301\u7684\u5b89\u5168\u9396\uff08redis \u7368\u4f54\u9396\uff09"},"content":{"rendered":"<h1 id=\"%e7%b4%85%e8%89%b2%e7%8d%a8%e4%bd%94redis-%e5%8a%a0%e6%8c%81%e7%9a%84%e5%ae%89%e5%85%a8%e9%8e%96%ef%bc%88redis-%e7%8d%a8%e4%bd%94%e9%8e%96%ef%bc%89-unPsYlFoWO\">\u7d05\u8272\u7368\u4f54Redis \u52a0\u6301\u7684\u5b89\u5168\u9396\uff08redis \u7368\u4f54\u9396\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u7684\u5b89\u5168\u6027\u548c\u4e00\u81f4\u6027\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002Redis\u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u529f\u80fd\u4f86\u652f\u6301\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u53ef\u9760\u6027\u3002\u5176\u4e2d\uff0c\u7d05\u8272\u7368\u4f54\u9396\uff08Redis \u7368\u4f54\u9396\uff09\u662f\u4e00\u500b\u91cd\u8981\u7684\u6a5f\u5236\uff0c\u7528\u65bc\u78ba\u4fdd\u5728\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\u5c0d\u8cc7\u6e90\u7684\u5b89\u5168\u8a2a\u554f\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e7%b4%85%e8%89%b2%e7%8d%a8%e4%bd%94%e9%8e%96%ef%bc%9f-unPsYlFoWO\">\u4ec0\u9ebc\u662f\u7d05\u8272\u7368\u4f54\u9396\uff1f<\/h2>\n<p>\u7d05\u8272\u7368\u4f54\u9396\u662f\u4e00\u7a2e\u57fa\u65bcRedis\u7684\u9396\u5b9a\u6a5f\u5236\uff0c\u65e8\u5728\u9632\u6b62\u591a\u500b\u9032\u7a0b\u540c\u6642\u8a2a\u554f\u5171\u4eab\u8cc7\u6e90\u3002\u9019\u7a2e\u9396\u5b9a\u6a5f\u5236\u7279\u5225\u9069\u5408\u65bc\u9700\u8981\u78ba\u4fdd\u6578\u64da\u4e00\u81f4\u6027\u7684\u5834\u666f\uff0c\u4f8b\u5982\u5728\u6578\u64da\u5eab\u4e2d\u9032\u884c\u5beb\u5165\u64cd\u4f5c\u6642\u3002\u901a\u904e\u4f7f\u7528\u7d05\u8272\u7368\u4f54\u9396\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u78ba\u4fdd\u53ea\u6709\u4e00\u500b\u9032\u7a0b\u80fd\u5920\u5728\u7279\u5b9a\u6642\u9593\u5167\u8a2a\u554f\u8cc7\u6e90\uff0c\u5f9e\u800c\u907f\u514d\u6578\u64da\u7af6\u722d\u548c\u4e0d\u4e00\u81f4\u7684\u554f\u984c\u3002<\/p>\n<h2 id=\"%e7%b4%85%e8%89%b2%e7%8d%a8%e4%bd%94%e9%8e%96%e7%9a%84%e5%b7%a5%e4%bd%9c%e5%8e%9f%e7%90%86-unPsYlFoWO\">\u7d05\u8272\u7368\u4f54\u9396\u7684\u5de5\u4f5c\u539f\u7406<\/h2>\n<p>\u7d05\u8272\u7368\u4f54\u9396\u7684\u5be6\u73fe\u901a\u5e38\u4f9d\u8cf4\u65bcRedis\u7684\u539f\u5b50\u64cd\u4f5c\u3002\u7576\u4e00\u500b\u9032\u7a0b\u9700\u8981\u7372\u53d6\u9396\u6642\uff0c\u5b83\u6703\u5411Redis\u767c\u9001\u4e00\u500bSET\u547d\u4ee4\uff0c\u4e26\u4f7f\u7528NX\uff08\u53ea\u5728\u9375\u4e0d\u5b58\u5728\u6642\u8a2d\u7f6e\uff09\u548cPX\uff08\u8a2d\u7f6e\u904e\u671f\u6642\u9593\uff09\u9078\u9805\u3002\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u9396\u7684\u7372\u53d6\u662f\u539f\u5b50\u7684\uff0c\u4e26\u4e14\u5728\u4e00\u5b9a\u6642\u9593\u5167\u81ea\u52d5\u91cb\u653e\u3002<\/p>\n<pre><code>SET lock_key unique_lock_value NX PX 30000<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c`lock_key`\u662f\u9396\u7684\u540d\u7a31\uff0c`unique_lock_value`\u662f\u9032\u7a0b\u7684\u552f\u4e00\u6a19\u8b58\uff0c`NX`\u78ba\u4fdd\u53ea\u6709\u5728\u9396\u4e0d\u5b58\u5728\u6642\u624d\u6703\u8a2d\u7f6e\uff0c`PX 30000`\u5247\u8a2d\u7f6e\u9396\u7684\u904e\u671f\u6642\u9593\u70ba30\u79d2\u3002\u9019\u6a23\uff0c\u5373\u4f7f\u9032\u7a0b\u5728\u6301\u6709\u9396\u7684\u904e\u7a0b\u4e2d\u5d29\u6f70\uff0c\u9396\u4e5f\u4e0d\u6703\u6c38\u4e45\u5b58\u5728\uff0c\u5f9e\u800c\u907f\u514d\u6b7b\u9396\u7684\u60c5\u6cc1\u3002<\/p>\n<h2 id=\"%e9%87%8b%e6%94%be%e9%8e%96-unPsYlFoWO\">\u91cb\u653e\u9396<\/h2>\n<p>\u7576\u9032\u7a0b\u5b8c\u6210\u5c0d\u8cc7\u6e90\u7684\u64cd\u4f5c\u5f8c\uff0c\u5fc5\u9808\u91cb\u653e\u9396\u3002\u9019\u53ef\u4ee5\u901a\u904e\u522a\u9664\u9396\u9375\u4f86\u5be6\u73fe\u3002\u70ba\u4e86\u78ba\u4fdd\u53ea\u6709\u6301\u6709\u9396\u7684\u9032\u7a0b\u80fd\u5920\u91cb\u653e\u9396\uff0c\u901a\u5e38\u6703\u6aa2\u67e5\u9396\u7684\u503c\u662f\u5426\u8207\u7576\u524d\u9032\u7a0b\u7684\u552f\u4e00\u6a19\u8b58\u76f8\u540c\u3002<\/p>\n<pre><code>if (GET lock_key == unique_lock_value) {\n    DEL lock_key;\n}<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u78ba\u4fdd\u53ea\u6709\u6301\u6709\u9396\u7684\u9032\u7a0b\u624d\u80fd\u91cb\u653e\u9396\uff0c\u5f9e\u800c\u9032\u4e00\u6b65\u589e\u5f37\u4e86\u5b89\u5168\u6027\u3002<\/p>\n<h2 id=\"%e7%b4%85%e8%89%b2%e7%8d%a8%e4%bd%94%e9%8e%96%e7%9a%84%e5%84%aa%e5%8b%a2-unPsYlFoWO\">\u7d05\u8272\u7368\u4f54\u9396\u7684\u512a\u52e2<\/h2>\n<ul>\n<li><strong>\u9ad8\u6548\u6027\uff1a<\/strong>Redis\u7684\u5167\u5b58\u5b58\u5132\u7279\u6027\u4f7f\u5f97\u9396\u7684\u7372\u53d6\u548c\u91cb\u653e\u64cd\u4f5c\u975e\u5e38\u5feb\u901f\u3002<\/li>\n<li><strong>\u7c21\u55ae\u6027\uff1a<\/strong>\u4f7f\u7528Redis\u7684\u539f\u5b50\u64cd\u4f5c\u53ef\u4ee5\u7c21\u5316\u9396\u7684\u5be6\u73fe\uff0c\u6e1b\u5c11\u4e86\u958b\u767c\u7684\u8907\u96dc\u6027\u3002<\/li>\n<li><strong>\u81ea\u52d5\u904e\u671f\uff1a<\/strong>\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u53ef\u4ee5\u9632\u6b62\u6b7b\u9396\u7684\u60c5\u6cc1\u767c\u751f\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%bd%9b%e5%9c%a8%e7%9a%84%e6%8c%91%e6%88%b0-unPsYlFoWO\">\u6f5b\u5728\u7684\u6311\u6230<\/h2>\n<p>\u5118\u7ba1\u7d05\u8272\u7368\u4f54\u9396\u6709\u8a31\u591a\u512a\u52e2\uff0c\u4f46\u5728\u5be6\u969b\u61c9\u7528\u4e2d\u4e5f\u5b58\u5728\u4e00\u4e9b\u6311\u6230\u3002\u4f8b\u5982\uff0c\u904e\u671f\u6642\u9593\u7684\u8a2d\u7f6e\u9700\u8981\u6839\u64da\u5177\u9ad4\u7684\u696d\u52d9\u9700\u6c42\u4f86\u8abf\u6574\uff0c\u904e\u77ed\u7684\u904e\u671f\u6642\u9593\u53ef\u80fd\u5c0e\u81f4\u9396\u88ab\u610f\u5916\u91cb\u653e\uff0c\u800c\u904e\u9577\u7684\u904e\u671f\u6642\u9593\u5247\u53ef\u80fd\u5c0e\u81f4\u8cc7\u6e90\u7684\u9577\u6642\u9593\u9396\u5b9a\u3002\u6b64\u5916\uff0c\u7db2\u7d61\u5ef6\u9072\u548cRedis\u7684\u53ef\u7528\u6027\u4e5f\u53ef\u80fd\u5f71\u97ff\u9396\u7684\u6027\u80fd\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-unPsYlFoWO\">\u7d50\u8ad6<\/h2>\n<p>\u7d05\u8272\u7368\u4f54\u9396\u662f\u4e00\u7a2e\u5f37\u5927\u7684\u5de5\u5177\uff0c\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u5728\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\u5b89\u5168\u5730\u7ba1\u7406\u8cc7\u6e90\u3002\u901a\u904e\u5229\u7528Redis\u7684\u9ad8\u6548\u6027\u548c\u539f\u5b50\u64cd\u4f5c\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u5be6\u73fe\u4e00\u500b\u7c21\u55ae\u800c\u6709\u6548\u7684\u9396\u5b9a\u6a5f\u5236\uff0c\u5f9e\u800c\u63d0\u9ad8\u61c9\u7528\u7a0b\u5e8f\u7684\u7a69\u5b9a\u6027\u548c\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc\u5982\u4f55\u5728\u60a8\u7684\u61c9\u7528\u4e2d\u5be6\u73fe\u7d05\u8272\u7368\u4f54\u9396\u6709\u8208\u8da3\uff0c\u6216\u8005\u60f3\u8981\u4e86\u89e3\u66f4\u591a\u95dc\u65bc<code><a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a><\/code>\u548c<code><a href=\"https:\/\/server.hk\">\u96f2\u4f3a\u670d\u5668<\/a><\/code>\u7684\u8cc7\u8a0a\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u8a73\u7d30\u8cc7\u6599\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u7d05\u8272\u7368\u4f54Redis\u52a0\u6301\u7684\u5b89\u5168\u9396\uff0c\u78ba\u4fdd\u6578\u64da\u5b89\u5168\u8207\u9ad8\u6548\u9396\u5b9a\uff0c\u63d0\u5347\u7cfb\u7d71\u7a69\u5b9a\u6027\u8207\u6027\u80fd\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-159413","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/159413","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=159413"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/159413\/revisions"}],"predecessor-version":[{"id":159414,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/159413\/revisions\/159414"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=159413"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=159413"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=159413"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}