{"id":129429,"date":"2024-10-26T21:33:21","date_gmt":"2024-10-26T13:33:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/129429\/"},"modified":"2024-10-26T21:33:22","modified_gmt":"2024-10-26T13:33:22","slug":"redis%e9%8e%96%e4%b8%80%e7%a8%ae%e5%8f%af%e9%9d%a0%e7%9a%84%e5%90%8c%e6%ad%a5%e6%a9%9f%e5%88%b6%ef%bc%88redis%e9%8e%96%e7%9a%84%e6%a9%9f%e5%88%b6%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/129429\/","title":{"rendered":"Redis\u9396\u4e00\u7a2e\u53ef\u9760\u7684\u540c\u6b65\u6a5f\u5236\uff08redis\u9396\u7684\u6a5f\u5236\uff09"},"content":{"rendered":"<h1 id=\"redis%e9%8e%96%ef%bc%9a%e4%b8%80%e7%a8%ae%e5%8f%af%e9%9d%a0%e7%9a%84%e5%90%8c%e6%ad%a5%e6%a9%9f%e5%88%b6-EWzSrzshNo\">Redis\u9396\uff1a\u4e00\u7a2e\u53ef\u9760\u7684\u540c\u6b65\u6a5f\u5236<\/h1>\n<p>\u5728\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u8cc7\u6e90\u7684\u5171\u4eab\u548c\u540c\u6b65\u662f\u4e00\u500b\u91cd\u8981\u7684\u6311\u6230\u3002\u7576\u591a\u500b\u9032\u7a0b\u6216\u7dda\u7a0b\u540c\u6642\u8a2a\u554f\u5171\u4eab\u8cc7\u6e90\u6642\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u6578\u64da\u4e0d\u4e00\u81f4\u6216\u7af6\u722d\u689d\u4ef6\u7684\u554f\u984c\u3002\u70ba\u4e86\u89e3\u6c7a\u9019\u4e9b\u554f\u984c\uff0cRedis\u9396\u4f5c\u70ba\u4e00\u7a2e\u53ef\u9760\u7684\u540c\u6b65\u6a5f\u5236\uff0c\u63d0\u4f9b\u4e86\u4e00\u7a2e\u6709\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afredis%e9%8e%96%ef%bc%9f-EWzSrzshNo\">\u4ec0\u9ebc\u662fRedis\u9396\uff1f<\/h2>\n<p>Redis\u9396\u662f\u4e00\u7a2e\u57fa\u65bcRedis\u6578\u64da\u5eab\u7684\u9396\u5b9a\u6a5f\u5236\uff0c\u65e8\u5728\u78ba\u4fdd\u5728\u591a\u500b\u5ba2\u6236\u7aef\u4e4b\u9593\u5c0d\u5171\u4eab\u8cc7\u6e90\u7684\u4e92\u65a5\u8a2a\u554f\u3002\u5b83\u5229\u7528Redis\u7684\u539f\u5b50\u64cd\u4f5c\u4f86\u5be6\u73fe\u9396\u7684\u7372\u53d6\u548c\u91cb\u653e\uff0c\u5f9e\u800c\u907f\u514d\u4e86\u50b3\u7d71\u9396\u6a5f\u5236\u4e2d\u53ef\u80fd\u51fa\u73fe\u7684\u6b7b\u9396\u548c\u7af6\u722d\u689d\u4ef6\u3002<\/p>\n<h2 id=\"redis%e9%8e%96%e7%9a%84%e5%b7%a5%e4%bd%9c%e5%8e%9f%e7%90%86-EWzSrzshNo\">Redis\u9396\u7684\u5de5\u4f5c\u539f\u7406<\/h2>\n<p>Redis\u9396\u7684\u57fa\u672c\u539f\u7406\u662f\u4f7f\u7528\u4e00\u500b\u9375\u4f86\u8868\u793a\u9396\u7684\u72c0\u614b\u3002\u7576\u4e00\u500b\u5ba2\u6236\u7aef\u9700\u8981\u7372\u53d6\u9396\u6642\uff0c\u5b83\u6703\u5617\u8a66\u5728Redis\u4e2d\u8a2d\u7f6e\u9019\u500b\u9375\u3002\u5982\u679c\u8a2d\u7f6e\u6210\u529f\uff0c\u5247\u8868\u793a\u9396\u5df2\u88ab\u7372\u53d6\uff1b\u5982\u679c\u8a2d\u7f6e\u5931\u6557\uff0c\u5247\u8868\u793a\u9396\u5df2\u88ab\u5176\u4ed6\u5ba2\u6236\u7aef\u6301\u6709\u3002<\/p>\n<h3 id=\"%e9%8e%96%e7%9a%84%e7%8d%b2%e5%8f%96-EWzSrzshNo\">\u9396\u7684\u7372\u53d6<\/h3>\n<pre><code>SET lock_key unique_value NX PX 30000<\/code><\/pre>\n<p>\u4e0a\u8ff0\u547d\u4ee4\u4e2d\uff1a<\/p>\n<ul>\n<li><code>lock_key<\/code>\uff1a\u8868\u793a\u9396\u7684\u9375\u540d\u3002<\/li>\n<li><code>unique_value<\/code>\uff1a\u4e00\u500b\u552f\u4e00\u7684\u503c\uff0c\u7528\u65bc\u6a19\u8b58\u9396\u7684\u64c1\u6709\u8005\u3002<\/li>\n<li><code>NX<\/code>\uff1a\u8868\u793a\u53ea\u6709\u5728\u9375\u4e0d\u5b58\u5728\u6642\u624d\u8a2d\u7f6e\u9375\u3002<\/li>\n<li><code>PX 30000<\/code>\uff1a\u8a2d\u7f6e\u9396\u7684\u904e\u671f\u6642\u9593\u70ba30\u79d2\u3002<\/li>\n<\/ul>\n<p>\u9019\u6a23\uff0c\u7576\u5ba2\u6236\u7aef\u6210\u529f\u8a2d\u7f6e\u9396\u6642\uff0c\u5b83\u5c31\u53ef\u4ee5\u5b89\u5168\u5730\u8a2a\u554f\u5171\u4eab\u8cc7\u6e90\u3002\u5982\u679c\u9396\u5df2\u88ab\u5176\u4ed6\u5ba2\u6236\u7aef\u6301\u6709\uff0c\u5247\u8a72\u5ba2\u6236\u7aef\u53ef\u4ee5\u9078\u64c7\u7b49\u5f85\u6216\u91cd\u8a66\u3002<\/p>\n<h3 id=\"%e9%8e%96%e7%9a%84%e9%87%8b%e6%94%be-EWzSrzshNo\">\u9396\u7684\u91cb\u653e<\/h3>\n<p>\u91cb\u653e\u9396\u7684\u904e\u7a0b\u4e5f\u975e\u5e38\u91cd\u8981\u3002\u70ba\u4e86\u907f\u514d\u932f\u8aa4\u91cb\u653e\u5176\u4ed6\u5ba2\u6236\u7aef\u7684\u9396\uff0c\u91cb\u653e\u9396\u6642\u9700\u8981\u6aa2\u67e5\u9396\u7684\u64c1\u6709\u8005\uff1a<\/p>\n<pre><code>if (GET lock_key == unique_value) {\n    DEL lock_key;\n}<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u78ba\u4fdd\u53ea\u6709\u6301\u6709\u9396\u7684\u5ba2\u6236\u7aef\u624d\u80fd\u91cb\u653e\u9396\uff0c\u5f9e\u800c\u907f\u514d\u4e86\u4e0d\u5fc5\u8981\u7684\u932f\u8aa4\u3002<\/p>\n<h2 id=\"redis%e9%8e%96%e7%9a%84%e5%84%aa%e5%8b%a2-EWzSrzshNo\">Redis\u9396\u7684\u512a\u52e2<\/h2>\n<ul>\n<li><strong>\u9ad8\u6548\u6027\uff1a<\/strong>Redis\u7684\u64cd\u4f5c\u662f\u539f\u5b50\u6027\u7684\uff0c\u9019\u610f\u5473\u8457\u9396\u7684\u7372\u53d6\u548c\u91cb\u653e\u904e\u7a0b\u975e\u5e38\u5feb\u901f\u3002<\/li>\n<li><strong>\u7c21\u55ae\u6027\uff1a<\/strong>\u4f7f\u7528Redis\u9396\u7684\u5be6\u73fe\u76f8\u5c0d\u7c21\u55ae\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u4e0a\u624b\u3002<\/li>\n<li><strong>\u53ef\u64f4\u5c55\u6027\uff1a<\/strong>Redis\u4f5c\u70ba\u4e00\u500b\u9ad8\u6027\u80fd\u7684\u6578\u64da\u5eab\uff0c\u80fd\u5920\u652f\u6301\u5927\u91cf\u7684\u4e26\u767c\u8acb\u6c42\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-EWzSrzshNo\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5118\u7ba1Redis\u9396\u63d0\u4f9b\u4e86\u8a31\u591a\u512a\u52e2\uff0c\u4f46\u5728\u4f7f\u7528\u6642\u4ecd\u9700\u6ce8\u610f\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>\u9396\u7684\u904e\u671f\u6642\u9593\u61c9\u6839\u64da\u696d\u52d9\u9700\u6c42\u5408\u7406\u8a2d\u7f6e\uff0c\u4ee5\u907f\u514d\u56e0\u904e\u671f\u5c0e\u81f4\u7684\u9396\u91cb\u653e\u554f\u984c\u3002<\/li>\n<li>\u5728\u9ad8\u4e26\u767c\u5834\u666f\u4e0b\uff0c\u53ef\u80fd\u9700\u8981\u8003\u616e\u4f7f\u7528Redlock\u7b97\u6cd5\u4f86\u9032\u4e00\u6b65\u63d0\u9ad8\u9396\u7684\u53ef\u9760\u6027\u3002<\/li>\n<li>\u78ba\u4fdd\u91cb\u653e\u9396\u7684\u908f\u8f2f\u6b63\u78ba\uff0c\u4ee5\u907f\u514d\u8aa4\u91cb\u653e\u6216\u6b7b\u9396\u7684\u60c5\u6cc1\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-EWzSrzshNo\">\u7e3d\u7d50<\/h2>\n<p>Redis\u9396\u4f5c\u70ba\u4e00\u7a2e\u53ef\u9760\u7684\u540c\u6b65\u6a5f\u5236\uff0c\u70ba\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\u7684\u8cc7\u6e90\u5171\u4eab\u63d0\u4f9b\u4e86\u6709\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u3002\u901a\u904e\u5229\u7528Redis\u7684\u539f\u5b50\u64cd\u4f5c\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u5be6\u73fe\u9396\u7684\u7372\u53d6\u548c\u91cb\u653e\uff0c\u5f9e\u800c\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u548c\u5b89\u5168\u6027\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u548c\u53ef\u9760\u7684\u9396\u6a5f\u5236\u7684\u61c9\u7528\uff0cRedis\u9396\u7121\u7591\u662f\u4e00\u500b\u503c\u5f97\u8003\u616e\u7684\u9078\u64c7\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u670d\u52d9\u6709\u8208\u8da3\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u8cc7\u8a0a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Redis\u9396\u7684\u53ef\u9760\u540c\u6b65\u6a5f\u5236\uff0c\u4e86\u89e3\u5176\u5de5\u4f5c\u539f\u7406\u53ca\u61c9\u7528\uff0c\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\u8207\u6578\u64da\u4e00\u81f4\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-129429","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/129429","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=129429"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/129429\/revisions"}],"predecessor-version":[{"id":129430,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/129429\/revisions\/129430"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=129429"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=129429"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=129429"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}