{"id":172197,"date":"2024-11-07T11:07:22","date_gmt":"2024-11-07T03:07:22","guid":{"rendered":"https:\/\/server.hk\/cnblog\/172197\/"},"modified":"2024-11-07T11:07:23","modified_gmt":"2024-11-07T03:07:23","slug":"%e7%be%a4redis%e5%88%86%e5%b8%83%e5%bc%8f%e9%8e%96%e9%87%8d%e5%a1%91%e5%85%a8%e9%9b%86%e7%be%a4%e7%9a%84%e5%ae%89%e5%85%a8%e7%b6%b2%e6%a0%bc%ef%bc%88redis%e9%8e%96%e5%85%a8%e9%9b%86%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/172197\/","title":{"rendered":"\u7fa4Redis\u5206\u5e03\u5f0f\u9396\u91cd\u5851\u5168\u96c6\u7fa4\u7684\u5b89\u5168\u7db2\u683c\uff08redis\u9396\u5168\u96c6\uff09"},"content":{"rendered":"<h1 id=\"%e7%be%a4redis%e5%88%86%e5%b8%83%e5%bc%8f%e9%8e%96%e9%87%8d%e5%a1%91%e5%85%a8%e9%9b%86%e7%be%a4%e7%9a%84%e5%ae%89%e5%85%a8%e7%b6%b2%e6%a0%bc%ef%bc%88redis%e9%8e%96%e5%85%a8%e9%9b%86%ef%bc%89-MlBGXthxWo\">\u7fa4Redis\u5206\u5e03\u5f0f\u9396\u91cd\u5851\u5168\u96c6\u7fa4\u7684\u5b89\u5168\u7db2\u683c\uff08redis\u9396\u5168\u96c6\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u5206\u5e03\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u6578\u64da\u4e00\u81f4\u6027\u548c\u8cc7\u6e90\u5171\u4eab\u662f\u81f3\u95dc\u91cd\u8981\u7684\u6311\u6230\u3002Redis\u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u6a5f\u5236\u4f86\u89e3\u6c7a\u9019\u4e9b\u554f\u984c\uff0c\u5176\u4e2d\u4e4b\u4e00\u4fbf\u662f\u5206\u5e03\u5f0f\u9396\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eRedis\u5206\u5e03\u5f0f\u9396\u7684\u539f\u7406\u3001\u5be6\u73fe\u65b9\u5f0f\u53ca\u5176\u5728\u5b89\u5168\u7db2\u683c\u4e2d\u7684\u61c9\u7528\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afredis%e5%88%86%e5%b8%83%e5%bc%8f%e9%8e%96%ef%bc%9f-MlBGXthxWo\">\u4ec0\u9ebc\u662fRedis\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\u3002Redis\u5206\u5e03\u5f0f\u9396\u5229\u7528Redis\u7684\u539f\u5b50\u6027\u64cd\u4f5c\u4f86\u5be6\u73fe\u9396\u7684\u7372\u53d6\u548c\u91cb\u653e\u3002\u9019\u7a2e\u9396\u7684\u4e3b\u8981\u7279\u9ede\u662f\u80fd\u5920\u5728\u591a\u500b\u5be6\u4f8b\u4e4b\u9593\u5354\u8abf\u5c0d\u8cc7\u6e90\u7684\u8a2a\u554f\uff0c\u5f9e\u800c\u907f\u514d\u6578\u64da\u4e0d\u4e00\u81f4\u7684\u554f\u984c\u3002<\/p>\n<h2 id=\"redis%e5%88%86%e5%b8%83%e5%bc%8f%e9%8e%96%e7%9a%84%e5%af%a6%e7%8f%be%e5%8e%9f%e7%90%86-MlBGXthxWo\">Redis\u5206\u5e03\u5f0f\u9396\u7684\u5be6\u73fe\u539f\u7406<\/h2>\n<p>Redis\u5206\u5e03\u5f0f\u9396\u7684\u57fa\u672c\u5be6\u73fe\u539f\u7406\u662f\u4f7f\u7528SETNX\u547d\u4ee4\u3002SETNX\u547d\u4ee4\u7684\u5168\u540d\u662f\u201cSET if Not eXists\u201d\uff0c\u5b83\u7684\u4f5c\u7528\u662f\u53ea\u6709\u5728\u9375\u4e0d\u5b58\u5728\u7684\u60c5\u6cc1\u4e0b\u624d\u6703\u8a2d\u7f6e\u9375\u7684\u503c\u3002\u9019\u4f7f\u5f97\u6211\u5011\u53ef\u4ee5\u5229\u7528\u5b83\u4f86\u5be6\u73fe\u9396\u7684\u7372\u53d6\u3002\u4ee5\u4e0b\u662f\u57fa\u672c\u7684\u5be6\u73fe\u6b65\u9a5f\uff1a<\/p>\n<pre><code>SET lock_key unique_lock_value NX PX 30000<\/code><\/pre>\n<ul>\n<li><strong>lock_key<\/strong>: \u9396\u7684\u540d\u7a31\uff0c\u901a\u5e38\u662f\u8cc7\u6e90\u7684\u552f\u4e00\u6a19\u8b58\u3002<\/li>\n<li><strong>unique_lock_value<\/strong>: \u9396\u7684\u552f\u4e00\u503c\uff0c\u901a\u5e38\u662fUUID\uff0c\u78ba\u4fdd\u9396\u7684\u552f\u4e00\u6027\u3002<\/li>\n<li><strong>NX<\/strong>: \u53ea\u6709\u5728\u9375\u4e0d\u5b58\u5728\u6642\u624d\u8a2d\u7f6e\u3002<\/li>\n<li><strong>PX 30000<\/strong>: \u9396\u7684\u904e\u671f\u6642\u9593\uff0c\u9019\u88e1\u8a2d\u7f6e\u70ba30\u79d2\u3002<\/li>\n<\/ul>\n<p>\u5982\u679c\u8fd4\u56de\u503c\u70ba1\uff0c\u5247\u8868\u793a\u6210\u529f\u7372\u53d6\u9396\uff1b\u5982\u679c\u8fd4\u56de\u503c\u70ba0\uff0c\u5247\u8868\u793a\u9396\u5df2\u88ab\u5176\u4ed6\u9032\u7a0b\u7372\u53d6\u3002<\/p>\n<h2 id=\"%e9%8e%96%e7%9a%84%e9%87%8b%e6%94%be-MlBGXthxWo\">\u9396\u7684\u91cb\u653e<\/h2>\n<p>\u5728\u4f7f\u7528\u5b8c\u8cc7\u6e90\u5f8c\uff0c\u5fc5\u9808\u91cb\u653e\u9396\u3002\u91cb\u653e\u9396\u7684\u904e\u7a0b\u9700\u8981\u78ba\u4fdd\u53ea\u6709\u6301\u6709\u9396\u7684\u9032\u7a0b\u624d\u80fd\u91cb\u653e\u5b83\u3002\u9019\u53ef\u4ee5\u901a\u904e\u6aa2\u67e5\u9396\u7684\u503c\u4f86\u5be6\u73fe\uff1a<\/p>\n<pre><code>if (get(lock_key) == unique_lock_value) {\n    del(lock_key);\n}<\/code><\/pre>\n<p>\u9019\u6a23\u53ef\u4ee5\u907f\u514d\u8aa4\u91cb\u653e\u5176\u4ed6\u9032\u7a0b\u7684\u9396\uff0c\u5f9e\u800c\u4fdd\u8b49\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u3002<\/p>\n<h2 id=\"redis%e5%88%86%e5%b8%83%e5%bc%8f%e9%8e%96%e7%9a%84%e5%84%aa%e7%bc%ba%e9%bb%9e-MlBGXthxWo\">Redis\u5206\u5e03\u5f0f\u9396\u7684\u512a\u7f3a\u9ede<\/h2>\n<h3 id=\"%e5%84%aa%e9%bb%9e-MlBGXthxWo\">\u512a\u9ede<\/h3>\n<ul>\n<li>\u9ad8\u6548\uff1aRedis\u7684\u6027\u80fd\u975e\u5e38\u9ad8\uff0c\u80fd\u5920\u5feb\u901f\u7372\u53d6\u548c\u91cb\u653e\u9396\u3002<\/li>\n<li>\u7c21\u55ae\uff1a\u5be6\u73fe\u76f8\u5c0d\u7c21\u55ae\uff0c\u6613\u65bc\u7406\u89e3\u548c\u4f7f\u7528\u3002<\/li>\n<li>\u53ef\u64f4\u5c55\uff1a\u652f\u6301\u591a\u500b\u9032\u7a0b\u548c\u670d\u52d9\u4e4b\u9593\u7684\u5354\u4f5c\u3002<\/li>\n<\/ul>\n<h3 id=\"%e7%bc%ba%e9%bb%9e-MlBGXthxWo\">\u7f3a\u9ede<\/h3>\n<ul>\n<li>\u904e\u671f\u554f\u984c\uff1a\u5982\u679c\u9032\u7a0b\u5728\u6301\u6709\u9396\u7684\u671f\u9593\u5d29\u6f70\uff0c\u9396\u53ef\u80fd\u6703\u7121\u6cd5\u91cb\u653e\uff0c\u5c0e\u81f4\u6b7b\u9396\u3002<\/li>\n<li>\u5b89\u5168\u6027\uff1a\u5982\u679c\u9396\u7684\u552f\u4e00\u6027\u7121\u6cd5\u4fdd\u8b49\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u8cc7\u6e90\u7684\u7af6\u722d\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%9c%a8%e5%ae%89%e5%85%a8%e7%b6%b2%e6%a0%bc%e4%b8%ad%e7%9a%84%e6%87%89%e7%94%a8-MlBGXthxWo\">\u5728\u5b89\u5168\u7db2\u683c\u4e2d\u7684\u61c9\u7528<\/h2>\n<p>\u5728\u5b89\u5168\u7db2\u683c\u4e2d\uff0cRedis\u5206\u5e03\u5f0f\u9396\u53ef\u4ee5\u7528\u65bc\u4fdd\u8b77\u654f\u611f\u6578\u64da\u7684\u8a2a\u554f\u3002\u901a\u904e\u4f7f\u7528\u5206\u5e03\u5f0f\u9396\uff0c\u53ef\u4ee5\u78ba\u4fdd\u53ea\u6709\u4e00\u500b\u5be6\u4f8b\u80fd\u5920\u5728\u7279\u5b9a\u6642\u9593\u5167\u8a2a\u554f\u654f\u611f\u6578\u64da\uff0c\u5f9e\u800c\u9632\u6b62\u6578\u64da\u6d29\u9732\u6216\u640d\u58de\u3002\u6b64\u5916\uff0c\u9084\u53ef\u4ee5\u7d50\u5408\u5176\u4ed6\u5b89\u5168\u63aa\u65bd\uff0c\u5982\u8eab\u4efd\u9a57\u8b49\u548c\u6388\u6b0a\uff0c\u9032\u4e00\u6b65\u589e\u5f37\u7cfb\u7d71\u7684\u5b89\u5168\u6027\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-MlBGXthxWo\">\u7d50\u8ad6<\/h2>\n<p>Redis\u5206\u5e03\u5f0f\u9396\u662f\u4e00\u7a2e\u6709\u6548\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u7528\u65bc\u7ba1\u7406\u5206\u5e03\u5f0f\u7cfb\u7d71\u4e2d\u7684\u8cc7\u6e90\u8a2a\u554f\u3002\u901a\u904e\u5408\u7406\u7684\u8a2d\u8a08\u548c\u5be6\u73fe\uff0c\u53ef\u4ee5\u5728\u4fdd\u8b49\u6578\u64da\u4e00\u81f4\u6027\u7684\u540c\u6642\uff0c\u63d0\u5347\u7cfb\u7d71\u7684\u6027\u80fd\u548c\u5b89\u5168\u6027\u3002\u5c0d\u65bc\u5e0c\u671b\u5728\u9999\u6e2f\u5c0b\u627e\u9ad8\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u7684\u4f01\u696d\u4f86\u8aaa\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u670d\u52d9\u5c07\u662f\u63d0\u5347\u696d\u52d9\u904b\u71df\u6548\u7387\u7684\u91cd\u8981\u4e00\u6b65\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u7fa4Redis\u5206\u5e03\u5f0f\u9396\u5982\u4f55\u91cd\u5851\u5168\u96c6\u7fa4\u7684\u5b89\u5168\u7db2\u683c\uff0c\u63d0\u5347\u7cfb\u7d71\u5b89\u5168\u6027\u8207\u6548\u7387\uff0c\u5be6\u73fe\u9ad8\u6548\u80fd\u9396\u7ba1\u7406\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-172197","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/172197","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=172197"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/172197\/revisions"}],"predecessor-version":[{"id":172198,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/172197\/revisions\/172198"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=172197"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=172197"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=172197"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}