{"id":161325,"date":"2024-11-04T05:29:20","date_gmt":"2024-11-03T21:29:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/161325\/"},"modified":"2024-11-04T05:29:21","modified_gmt":"2024-11-03T21:29:21","slug":"%e5%9f%ba%e6%96%bc-redis-%e7%9a%84%e5%88%86%e5%b8%83%e5%bc%8f%e9%8e%96%e5%af%a6%e7%8f%be%e6%a9%9f%e5%88%b6%ef%bc%88redis-%e9%8e%96%e6%98%af%e6%80%8e%e9%ba%bc%e5%af%a6%e7%8f%be%e7%9a%84%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/161325\/","title":{"rendered":"\u57fa\u65bc Redis \u7684\u5206\u5e03\u5f0f\u9396\u5be6\u73fe\u6a5f\u5236\uff08redis \u9396\u662f\u600e\u9ebc\u5be6\u73fe\u7684\uff09"},"content":{"rendered":"<h1 id=\"%e5%9f%ba%e6%96%bc-redis-%e7%9a%84%e5%88%86%e5%b8%83%e5%bc%8f%e9%8e%96%e5%af%a6%e7%8f%be%e6%a9%9f%e5%88%b6%ef%bc%88redis-%e9%8e%96%e6%98%af%e6%80%8e%e9%ba%bc%e5%af%a6%e7%8f%be%e7%9a%84%ef%bc%89-PqFdhCBmlM\">\u57fa\u65bc Redis \u7684\u5206\u5e03\u5f0f\u9396\u5be6\u73fe\u6a5f\u5236\uff08redis \u9396\u662f\u600e\u9ebc\u5be6\u73fe\u7684\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u5206\u5e03\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u8cc7\u6e90\u7684\u7af6\u722d\u548c\u5171\u4eab\u662f\u4e00\u500b\u5e38\u898b\u7684\u554f\u984c\u3002\u70ba\u4e86\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027\uff0c\u5206\u5e03\u5f0f\u9396\u7684\u4f7f\u7528\u8b8a\u5f97\u5c24\u70ba\u91cd\u8981\u3002Redis \u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u4e00\u7a2e\u7c21\u55ae\u800c\u6709\u6548\u7684\u5206\u5e03\u5f0f\u9396\u5be6\u73fe\u6a5f\u5236\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u57fa\u65bc Redis \u7684\u5206\u5e03\u5f0f\u9396\u7684\u5be6\u73fe\u539f\u7406\u53ca\u5176\u4f7f\u7528\u65b9\u6cd5\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e5%88%86%e5%b8%83%e5%bc%8f%e9%8e%96%ef%bc%9f-PqFdhCBmlM\">\u4ec0\u9ebc\u662f\u5206\u5e03\u5f0f\u9396\uff1f<\/h2>\n<p>\u5206\u5e03\u5f0f\u9396\u662f\u4e00\u7a2e\u7528\u65bc\u63a7\u5236\u591a\u500b\u9032\u7a0b\u6216\u670d\u52d9\u4e4b\u9593\u5c0d\u5171\u4eab\u8cc7\u6e90\u7684\u8a2a\u554f\u7684\u6a5f\u5236\u3002\u5b83\u7684\u4e3b\u8981\u76ee\u7684\u662f\u9632\u6b62\u6578\u64da\u7af6\u722d\u548c\u4e0d\u4e00\u81f4\u6027\u3002\u5728\u5206\u5e03\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u901a\u5e38\u6709\u591a\u500b\u5be6\u4f8b\u540c\u6642\u904b\u884c\uff0c\u9019\u4f7f\u5f97\u5c0d\u5171\u4eab\u8cc7\u6e90\u7684\u8a2a\u554f\u8b8a\u5f97\u66f4\u52a0\u8907\u96dc\u3002\u5206\u5e03\u5f0f\u9396\u53ef\u4ee5\u78ba\u4fdd\u5728\u540c\u4e00\u6642\u9593\u53ea\u6709\u4e00\u500b\u5be6\u4f8b\u80fd\u5920\u8a2a\u554f\u7279\u5b9a\u7684\u8cc7\u6e90\u3002<\/p>\n<h2 id=\"redis-%e9%8e%96%e7%9a%84%e5%9f%ba%e6%9c%ac%e5%8e%9f%e7%90%86-PqFdhCBmlM\">Redis \u9396\u7684\u57fa\u672c\u539f\u7406<\/h2>\n<p>Redis \u9396\u7684\u5be6\u73fe\u4e3b\u8981\u4f9d\u8cf4\u65bc Redis \u7684\u539f\u5b50\u64cd\u4f5c\u3002\u4f7f\u7528 Redis \u7684 SETNX \u547d\u4ee4\u53ef\u4ee5\u5be6\u73fe\u9396\u7684\u7372\u53d6\uff0c\u9019\u662f\u4e00\u500b\u539f\u5b50\u64cd\u4f5c\uff0c\u80fd\u5920\u78ba\u4fdd\u5728\u591a\u500b\u5ba2\u6236\u7aef\u540c\u6642\u8acb\u6c42\u9396\u6642\uff0c\u53ea\u6709\u4e00\u500b\u5ba2\u6236\u7aef\u80fd\u5920\u6210\u529f\u7372\u53d6\u9396\u3002<\/p>\n<h3 id=\"%e9%8e%96%e7%9a%84%e7%8d%b2%e5%8f%96-PqFdhCBmlM\">\u9396\u7684\u7372\u53d6<\/h3>\n<pre><code>SET lock_key unique_lock_value NX PX 30000<\/code><\/pre>\n<p>\u4e0a\u8ff0\u547d\u4ee4\u7684\u542b\u7fa9\u5982\u4e0b\uff1a<\/p>\n<ul>\n<li><code>lock_key<\/code>\uff1a\u9396\u7684\u540d\u7a31\uff0c\u53ef\u4ee5\u6839\u64da\u9700\u8981\u81ea\u5b9a\u7fa9\u3002<\/li>\n<li><code>unique_lock_value<\/code>\uff1a\u4e00\u500b\u552f\u4e00\u7684\u503c\uff0c\u7528\u65bc\u6a19\u8b58\u9396\u7684\u64c1\u6709\u8005\uff0c\u901a\u5e38\u53ef\u4ee5\u4f7f\u7528 UUID\u3002<\/li>\n<li><code>NX<\/code>\uff1a\u8868\u793a\u53ea\u6709\u5728\u9375\u4e0d\u5b58\u5728\u6642\u624d\u6703\u8a2d\u7f6e\u9375\u3002<\/li>\n<li><code>PX 30000<\/code>\uff1a\u8a2d\u7f6e\u9396\u7684\u904e\u671f\u6642\u9593\u70ba 30 \u79d2\uff0c\u9632\u6b62\u6b7b\u9396\u3002<\/li>\n<\/ul>\n<p>\u5982\u679c\u547d\u4ee4\u57f7\u884c\u6210\u529f\uff0c\u5247\u8868\u793a\u9396\u5df2\u7372\u53d6\uff1b\u5982\u679c\u8fd4\u56de nil\uff0c\u5247\u8868\u793a\u9396\u5df2\u88ab\u5176\u4ed6\u5ba2\u6236\u7aef\u7372\u53d6\u3002<\/p>\n<h3 id=\"%e9%8e%96%e7%9a%84%e9%87%8b%e6%94%be-PqFdhCBmlM\">\u9396\u7684\u91cb\u653e<\/h3>\n<p>\u91cb\u653e\u9396\u7684\u904e\u7a0b\u4e5f\u9700\u8981\u8b39\u614e\uff0c\u4ee5\u9632\u6b62\u932f\u8aa4\u91cb\u653e\u5176\u4ed6\u5ba2\u6236\u7aef\u7684\u9396\u3002\u91cb\u653e\u9396\u7684\u57fa\u672c\u6b65\u9a5f\u5982\u4e0b\uff1a<\/p>\n<pre><code>if (get(lock_key) == unique_lock_value) {\n    DEL lock_key;\n}<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u7684\u908f\u8f2f\u662f\uff1a\u53ea\u6709\u7576\u7576\u524d\u5ba2\u6236\u7aef\u64c1\u6709\u9396\u6642\uff0c\u624d\u6703\u91cb\u653e\u9396\u3002\u9019\u6a23\u53ef\u4ee5\u907f\u514d\u5176\u4ed6\u5ba2\u6236\u7aef\u8aa4\u91cb\u653e\u9396\u7684\u60c5\u6cc1\u3002<\/p>\n<h2 id=\"redis-%e9%8e%96%e7%9a%84%e5%84%aa%e7%bc%ba%e9%bb%9e-PqFdhCBmlM\">Redis \u9396\u7684\u512a\u7f3a\u9ede<\/h2>\n<h3 id=\"%e5%84%aa%e9%bb%9e-PqFdhCBmlM\">\u512a\u9ede<\/h3>\n<ul>\n<li>\u9ad8\u6548\uff1aRedis \u7684\u64cd\u4f5c\u901f\u5ea6\u975e\u5e38\u5feb\uff0c\u80fd\u5920\u652f\u6301\u9ad8\u4f75\u767c\u7684\u9396\u8acb\u6c42\u3002<\/li>\n<li>\u7c21\u55ae\u6613\u7528\uff1a\u4f7f\u7528 Redis \u5be6\u73fe\u5206\u5e03\u5f0f\u9396\u7684\u4ee3\u78bc\u76f8\u5c0d\u7c21\u55ae\uff0c\u6613\u65bc\u7406\u89e3\u548c\u7dad\u8b77\u3002<\/li>\n<li>\u53ef\u64f4\u5c55\u6027\uff1aRedis \u53ef\u4ee5\u8f15\u9b06\u5730\u64f4\u5c55\u5230\u591a\u500b\u5be6\u4f8b\uff0c\u652f\u6301\u5927\u898f\u6a21\u7684\u5206\u5e03\u5f0f\u7cfb\u7d71\u3002<\/li>\n<\/ul>\n<h3 id=\"%e7%bc%ba%e9%bb%9e-PqFdhCBmlM\">\u7f3a\u9ede<\/h3>\n<ul>\n<li>\u53ef\u9760\u6027\uff1a\u5982\u679c\u5ba2\u6236\u7aef\u5728\u6301\u6709\u9396\u7684\u904e\u7a0b\u4e2d\u5d29\u6f70\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u9396\u7121\u6cd5\u91cb\u653e\uff0c\u5f9e\u800c\u9020\u6210\u6b7b\u9396\u3002<\/li>\n<li>\u904e\u671f\u554f\u984c\uff1a\u9396\u7684\u904e\u671f\u6642\u9593\u9700\u8981\u6839\u64da\u696d\u52d9\u9700\u6c42\u5408\u7406\u8a2d\u7f6e\uff0c\u904e\u77ed\u53ef\u80fd\u5c0e\u81f4\u9396\u63d0\u524d\u91cb\u653e\uff0c\u904e\u9577\u5247\u53ef\u80fd\u9020\u6210\u8cc7\u6e90\u6d6a\u8cbb\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-PqFdhCBmlM\">\u7d50\u8ad6<\/h2>\n<p>\u57fa\u65bc Redis \u7684\u5206\u5e03\u5f0f\u9396\u662f\u4e00\u7a2e\u9ad8\u6548\u4e14\u7c21\u55ae\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u9069\u7528\u65bc\u9700\u8981\u63a7\u5236\u8cc7\u6e90\u8a2a\u554f\u7684\u5834\u666f\u3002\u901a\u904e\u5408\u7406\u8a2d\u8a08\u9396\u7684\u7372\u53d6\u548c\u91cb\u653e\u908f\u8f2f\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u907f\u514d\u6578\u64da\u7af6\u722d\u548c\u4e0d\u4e00\u81f4\u6027\u554f\u984c\u3002\u7136\u800c\uff0c\u5728\u5be6\u969b\u61c9\u7528\u4e2d\uff0c\u958b\u767c\u8005\u9700\u8981\u8003\u616e\u5230\u9396\u7684\u53ef\u9760\u6027\u548c\u904e\u671f\u554f\u984c\uff0c\u4ee5\u78ba\u4fdd\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u548c\u6027\u80fd\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc <a href=\"https:\/\/server.hk\">VPS<\/a> \u548c\u5176\u4ed6\u96f2\u670d\u52d9\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u57fa\u65bc Redis \u7684\u5206\u5e03\u5f0f\u9396\u5be6\u73fe\u6a5f\u5236\uff0c\u4e86\u89e3\u5176\u5de5\u4f5c\u539f\u7406\u53ca\u5982\u4f55\u6709\u6548\u7ba1\u7406\u591a\u7dda\u7a0b\u74b0\u5883\u4e2d\u7684\u8cc7\u6e90\u7af6\u722d\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-161325","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/161325","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=161325"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/161325\/revisions"}],"predecessor-version":[{"id":161326,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/161325\/revisions\/161326"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=161325"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=161325"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=161325"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}