{"id":129383,"date":"2024-10-26T21:13:19","date_gmt":"2024-10-26T13:13:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/129383\/"},"modified":"2024-10-26T21:13:20","modified_gmt":"2024-10-26T13:13:20","slug":"redis%e9%8e%96%e6%bf%80%e7%83%88%e7%9a%84%e7%ab%b6%e7%88%ad%ef%bc%88redis%e9%8e%96%e7%ab%b6%e7%88%ad%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/129383\/","title":{"rendered":"Redis\u9396\u6fc0\u70c8\u7684\u7af6\u722d\uff08redis\u9396\u7af6\u722d\uff09"},"content":{"rendered":"<h1 id=\"redis%e9%8e%96%e6%bf%80%e7%83%88%e7%9a%84%e7%ab%b6%e7%88%ad%ef%bc%88redis%e9%8e%96%e7%ab%b6%e7%88%ad%ef%bc%89-cAZyDexpJT\">Redis\u9396\u6fc0\u70c8\u7684\u7af6\u722d\uff08redis\u9396\u7af6\u722d\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u6578\u64da\u4e00\u81f4\u6027\u548c\u4e26\u767c\u63a7\u5236\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002Redis\u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u9396\u6a5f\u5236\u4f86\u89e3\u6c7a\u9019\u4e9b\u554f\u984c\u3002\u7136\u800c\uff0c\u96a8\u8457\u4f7f\u7528\u8005\u6578\u91cf\u7684\u589e\u52a0\uff0cRedis\u9396\u7684\u7af6\u722d\u554f\u984c\u4e5f\u65e5\u76ca\u51f8\u986f\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eRedis\u9396\u7684\u7af6\u722d\u60c5\u6cc1\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"redis%e9%8e%96%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-cAZyDexpJT\">Redis\u9396\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>Redis\u9396\u4e3b\u8981\u7528\u65bc\u4fdd\u8b77\u5171\u4eab\u8cc7\u6e90\uff0c\u9632\u6b62\u591a\u500b\u5ba2\u6236\u7aef\u540c\u6642\u8a2a\u554f\u540c\u4e00\u8cc7\u6e90\u800c\u5c0e\u81f4\u6578\u64da\u4e0d\u4e00\u81f4\u3002Redis\u63d0\u4f9b\u4e86\u591a\u7a2e\u9396\u7684\u5be6\u73fe\u65b9\u5f0f\uff0c\u5176\u4e2d\u6700\u5e38\u898b\u7684\u662f\u57fa\u65bcSETNX\u547d\u4ee4\u7684\u9396\u3002<\/p>\n<pre><code>SETNX lock_key unique_lock_value\n<\/code><\/pre>\n<p>\u4e0a\u8ff0\u547d\u4ee4\u6703\u5728\u9375\u70ba<code>lock_key<\/code>\u7684\u60c5\u6cc1\u4e0b\uff0c\u53ea\u6709\u7576\u8a72\u9375\u4e0d\u5b58\u5728\u6642\u624d\u6703\u8a2d\u7f6e\u6210\u529f\uff0c\u4e26\u8fd4\u56de1\uff1b\u5982\u679c\u9375\u5df2\u5b58\u5728\uff0c\u5247\u8fd4\u56de0\u3002\u9019\u7a2e\u65b9\u5f0f\u7c21\u55ae\u6613\u7528\uff0c\u4f46\u5728\u9ad8\u4e26\u767c\u7684\u60c5\u6cc1\u4e0b\uff0c\u9396\u7684\u7af6\u722d\u6703\u8b8a\u5f97\u975e\u5e38\u6fc0\u70c8\u3002<\/p>\n<h2 id=\"%e9%8e%96%e7%ab%b6%e7%88%ad%e7%9a%84%e5%8e%9f%e5%9b%a0-cAZyDexpJT\">\u9396\u7af6\u722d\u7684\u539f\u56e0<\/h2>\n<p>\u9396\u7af6\u722d\u4e3b\u8981\u6e90\u65bc\u4ee5\u4e0b\u5e7e\u500b\u65b9\u9762\uff1a<\/p>\n<ul>\n<li><strong>\u9ad8\u4e26\u767c\u8acb\u6c42\uff1a<\/strong>\u7576\u591a\u500b\u5ba2\u6236\u7aef\u540c\u6642\u8acb\u6c42\u540c\u4e00\u8cc7\u6e90\u6642\uff0c\u9396\u7684\u7af6\u722d\u6703\u52a0\u5287\u3002<\/li>\n<li><strong>\u9396\u7684\u6301\u6709\u6642\u9593\uff1a<\/strong>\u5982\u679c\u9396\u7684\u6301\u6709\u6642\u9593\u904e\u9577\uff0c\u5176\u4ed6\u8acb\u6c42\u5c07\u7121\u6cd5\u7372\u5f97\u9396\uff0c\u5c0e\u81f4\u8acb\u6c42\u5ef6\u9072\u3002<\/li>\n<li><strong>\u9396\u7684\u7c92\u5ea6\uff1a<\/strong>\u9396\u7684\u7c92\u5ea6\u904e\u5927\u6703\u5c0e\u81f4\u4e0d\u5fc5\u8981\u7684\u7af6\u722d\uff0c\u5f71\u97ff\u7cfb\u7d71\u6027\u80fd\u3002<\/li>\n<\/ul>\n<h2 id=\"%e8%a7%a3%e6%b1%ba%e9%8e%96%e7%ab%b6%e7%88%ad%e7%9a%84%e7%ad%96%e7%95%a5-cAZyDexpJT\">\u89e3\u6c7a\u9396\u7af6\u722d\u7684\u7b56\u7565<\/h2>\n<p>\u70ba\u4e86\u6e1b\u5c11Redis\u9396\u7684\u7af6\u722d\uff0c\u53ef\u4ee5\u63a1\u53d6\u4ee5\u4e0b\u5e7e\u7a2e\u7b56\u7565\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8redlock%e7%ae%97%e6%b3%95-cAZyDexpJT\">1. \u4f7f\u7528Redlock\u7b97\u6cd5<\/h3>\n<p>Redlock\u662f\u4e00\u7a2e\u5206\u4f48\u5f0f\u9396\u7b97\u6cd5\uff0c\u65e8\u5728\u63d0\u9ad8\u9396\u7684\u53ef\u7528\u6027\u548c\u53ef\u9760\u6027\u3002\u5b83\u901a\u904e\u5728\u591a\u500bRedis\u5be6\u4f8b\u4e0a\u7372\u53d6\u9396\u4f86\u6e1b\u5c11\u55ae\u9ede\u6545\u969c\u7684\u98a8\u96aa\u3002Redlock\u7684\u57fa\u672c\u6b65\u9a5f\u5982\u4e0b\uff1a<\/p>\n<ol>\n<li>\u5728N\u500bRedis\u5be6\u4f8b\u4e0a\u7372\u53d6\u9396\u3002<\/li>\n<li>\u8a2d\u7f6e\u9396\u7684\u904e\u671f\u6642\u9593\u3002<\/li>\n<li>\u5982\u679c\u5728\u5927\u591a\u6578\u5be6\u4f8b\u4e0a\u6210\u529f\u7372\u53d6\u9396\uff0c\u5247\u8a8d\u70ba\u7372\u5f97\u9396\u6210\u529f\u3002<\/li>\n<\/ol>\n<h3 id=\"2-%e9%8e%96%e7%9a%84%e9%81%8e%e6%9c%9f%e6%99%82%e9%96%93-cAZyDexpJT\">2. \u9396\u7684\u904e\u671f\u6642\u9593<\/h3>\n<p>\u70ba\u4e86\u9632\u6b62\u6b7b\u9396\uff0c\u53ef\u4ee5\u70ba\u9396\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u3002\u9019\u6a23\uff0c\u5373\u4f7f\u6301\u6709\u9396\u7684\u5ba2\u6236\u7aef\u5d29\u6f70\uff0c\u9396\u4e5f\u6703\u5728\u4e00\u5b9a\u6642\u9593\u5f8c\u81ea\u52d5\u91cb\u653e\u3002<\/p>\n<pre><code>SET lock_key unique_lock_value EX 10\n<\/code><\/pre>\n<p>\u4e0a\u8ff0\u547d\u4ee4\u6703\u572810\u79d2\u5f8c\u81ea\u52d5\u91cb\u653e\u9396\uff0c\u5f9e\u800c\u6e1b\u5c11\u9396\u7af6\u722d\u7684\u53ef\u80fd\u6027\u3002<\/p>\n<h3 id=\"3-%e9%8e%96%e7%9a%84%e7%b2%92%e5%ba%a6%e8%aa%bf%e6%95%b4-cAZyDexpJT\">3. \u9396\u7684\u7c92\u5ea6\u8abf\u6574<\/h3>\n<p>\u6839\u64da\u5be6\u969b\u9700\u6c42\u8abf\u6574\u9396\u7684\u7c92\u5ea6\uff0c\u53ef\u4ee5\u6709\u6548\u6e1b\u5c11\u9396\u7af6\u722d\u3002\u4f8b\u5982\uff0c\u5c07\u4e00\u500b\u5927\u7bc4\u570d\u7684\u9396\u62c6\u5206\u70ba\u591a\u500b\u5c0f\u7bc4\u570d\u7684\u9396\uff0c\u9019\u6a23\u53ef\u4ee5\u63d0\u9ad8\u4e26\u767c\u6027\u80fd\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-cAZyDexpJT\">\u7d50\u8ad6<\/h2>\n<p>Redis\u9396\u7684\u7af6\u722d\u554f\u984c\u5728\u9ad8\u4e26\u767c\u74b0\u5883\u4e2d\u662f\u4e0d\u53ef\u907f\u514d\u7684\uff0c\u4f46\u901a\u904e\u5408\u7406\u7684\u8a2d\u8a08\u548c\u7b56\u7565\uff0c\u53ef\u4ee5\u6709\u6548\u6e1b\u5c11\u9396\u7af6\u722d\u5e36\u4f86\u7684\u5f71\u97ff\u3002\u4f7f\u7528Redlock\u7b97\u6cd5\u3001\u8a2d\u7f6e\u9396\u7684\u904e\u671f\u6642\u9593\u4ee5\u53ca\u8abf\u6574\u9396\u7684\u7c92\u5ea6\u90fd\u662f\u503c\u5f97\u8003\u616e\u7684\u89e3\u6c7a\u65b9\u6848\u3002\u96a8\u8457\u6280\u8853\u7684\u9032\u6b65\uff0c\u672a\u4f86\u53ef\u80fd\u6703\u51fa\u73fe\u66f4\u591a\u9ad8\u6548\u7684\u9396\u6a5f\u5236\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u597d\u5730\u7ba1\u7406\u4e26\u767c\u8acb\u6c42\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc\u5982\u4f55\u5728\u60a8\u7684\u61c9\u7528\u4e2d\u5be6\u73fe\u9ad8\u6548\u7684\u9396\u6a5f\u5236\u6709\u8208\u8da3\uff0c\u6216\u8005\u9700\u8981\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684Redis\u90e8\u7f72\uff0c\u8acb\u96a8\u6642\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\u7af6\u722d\u7684\u6311\u6230\u8207\u89e3\u6c7a\u65b9\u6848\uff0c\u4e86\u89e3\u5982\u4f55\u512a\u5316\u6027\u80fd\u4e26\u63d0\u9ad8\u7cfb\u7d71\u6548\u7387\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-129383","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/129383","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=129383"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/129383\/revisions"}],"predecessor-version":[{"id":129384,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/129383\/revisions\/129384"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=129383"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=129383"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=129383"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}