{"id":125161,"date":"2024-10-25T20:19:21","date_gmt":"2024-10-25T12:19:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/125161\/"},"modified":"2024-10-25T20:19:22","modified_gmt":"2024-10-25T12:19:22","slug":"redis-%e8%a7%a3%e6%b1%ba%e5%88%86%e5%b8%83%e5%bc%8f%e9%8e%96%e5%95%8f%e9%a1%8c%e4%b9%8b%e6%97%85","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/125161\/","title":{"rendered":"Redis \u89e3\u6c7a\u5206\u5e03\u5f0f\u9396\u554f\u984c\u4e4b\u65c5"},"content":{"rendered":"<h1 id=\"redis-%e8%a7%a3%e6%b1%ba%e5%88%86%e5%b8%83%e5%bc%8f%e9%8e%96%e5%95%8f%e9%a1%8c%e4%b9%8b%e6%97%85-DjBcWIqrYh\">Redis \u89e3\u6c7a\u5206\u5e03\u5f0f\u9396\u554f\u984c\u4e4b\u65c5<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u5206\u5e03\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u8cc7\u6e90\u7684\u5171\u4eab\u548c\u5354\u8abf\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002\u5c24\u5176\u662f\u5728\u591a\u500b\u5be6\u4f8b\u540c\u6642\u8a2a\u554f\u5171\u4eab\u8cc7\u6e90\u7684\u60c5\u6cc1\u4e0b\uff0c\u5982\u4f55\u6709\u6548\u5730\u7ba1\u7406\u9019\u4e9b\u8a2a\u554f\u6210\u70ba\u4e86\u4e00\u500b\u6311\u6230\u3002\u5206\u5e03\u5f0f\u9396\u4fbf\u662f\u89e3\u6c7a\u9019\u4e00\u554f\u984c\u7684\u4e00\u7a2e\u6709\u6548\u624b\u6bb5\uff0c\u800c Redis \u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u7c21\u55ae\u800c\u5f37\u5927\u7684\u5206\u5e03\u5f0f\u9396\u5be6\u73fe\u65b9\u6848\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-DjBcWIqrYh\">\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\u5c0d\u5171\u4eab\u8cc7\u6e90\u7684\u8a2a\u554f\u7684\u6a5f\u5236\u3002\u5b83\u78ba\u4fdd\u5728\u540c\u4e00\u6642\u9593\u5167\uff0c\u53ea\u6709\u4e00\u500b\u9032\u7a0b\u53ef\u4ee5\u8a2a\u554f\u7279\u5b9a\u7684\u8cc7\u6e90\uff0c\u5f9e\u800c\u907f\u514d\u6578\u64da\u4e0d\u4e00\u81f4\u6216\u7af6\u722d\u689d\u4ef6\u7684\u767c\u751f\u3002\u5206\u5e03\u5f0f\u9396\u901a\u5e38\u7528\u65bc\u9700\u8981\u5354\u8abf\u7684\u5834\u666f\uff0c\u4f8b\u5982\u5728\u591a\u500b\u670d\u52d9\u5668\u4e0a\u57f7\u884c\u7684\u4efb\u52d9\u8abf\u5ea6\u3001\u8cc7\u6e90\u5206\u914d\u7b49\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%81%b8%e6%93%87-redis%ef%bc%9f-DjBcWIqrYh\">\u70ba\u4ec0\u9ebc\u9078\u64c7 Redis\uff1f<\/h2>\n<p>Redis \u662f\u4e00\u500b\u958b\u6e90\u7684\u9ad8\u6027\u80fd\u9375\u503c\u6578\u64da\u5eab\uff0c\u56e0\u5176\u5feb\u901f\u7684\u8b80\u5beb\u901f\u5ea6\u548c\u7c21\u55ae\u7684\u6578\u64da\u7d50\u69cb\u800c\u53d7\u5230\u5ee3\u6cdb\u4f7f\u7528\u3002\u4f7f\u7528 Redis \u5be6\u73fe\u5206\u5e03\u5f0f\u9396\u7684\u512a\u52e2\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u9ad8\u6548\u6027\uff1a<\/strong>Redis \u7684\u64cd\u4f5c\u901f\u5ea6\u975e\u5e38\u5feb\uff0c\u80fd\u5920\u5728\u6beb\u79d2\u7d1a\u5225\u5167\u5b8c\u6210\u9396\u7684\u7372\u53d6\u548c\u91cb\u653e\u3002<\/li>\n<li><strong>\u7c21\u55ae\u6027\uff1a<\/strong>Redis \u63d0\u4f9b\u4e86\u7c21\u55ae\u7684\u547d\u4ee4\u4f86\u5be6\u73fe\u9396\u7684\u529f\u80fd\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u4e0a\u624b\u3002<\/li>\n<li><strong>\u53ef\u9760\u6027\uff1a<\/strong>Redis \u652f\u6301\u6301\u4e45\u5316\uff0c\u80fd\u5920\u5728\u7cfb\u7d71\u5d29\u6f70\u5f8c\u6062\u5fa9\u9396\u7684\u72c0\u614b\u3002<\/li>\n<\/ul>\n<h2 id=\"redis-%e5%af%a6%e7%8f%be%e5%88%86%e5%b8%83%e5%bc%8f%e9%8e%96%e7%9a%84%e5%9f%ba%e6%9c%ac%e5%8e%9f%e7%90%86-DjBcWIqrYh\">Redis \u5be6\u73fe\u5206\u5e03\u5f0f\u9396\u7684\u57fa\u672c\u539f\u7406<\/h2>\n<p>Redis \u5be6\u73fe\u5206\u5e03\u5f0f\u9396\u7684\u57fa\u672c\u539f\u7406\u662f\u5229\u7528\u5176\u9375\u503c\u5b58\u5132\u7684\u7279\u6027\u3002\u4ee5\u4e0b\u662f\u5be6\u73fe\u5206\u5e03\u5f0f\u9396\u7684\u4e00\u500b\u7c21\u55ae\u793a\u4f8b\uff1a<\/p>\n<pre><code>SET lock_key unique_lock_value NX PX 30000\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u547d\u4ee4\u4e2d\uff1a<\/p>\n<ul>\n<li><code>lock_key<\/code> \u662f\u9396\u7684\u540d\u7a31\u3002<\/li>\n<li><code>unique_lock_value<\/code> \u662f\u4e00\u500b\u552f\u4e00\u7684\u6a19\u8b58\u7b26\uff0c\u7528\u65bc\u8b58\u5225\u9396\u7684\u64c1\u6709\u8005\u3002<\/li>\n<li><code>NX<\/code> \u8868\u793a\u53ea\u6709\u5728\u9375\u4e0d\u5b58\u5728\u7684\u60c5\u6cc1\u4e0b\u624d\u6703\u8a2d\u7f6e\u9375\u3002<\/li>\n<li><code>PX 30000<\/code> \u8a2d\u7f6e\u9396\u7684\u904e\u671f\u6642\u9593\u70ba 30 \u79d2\u3002<\/li>\n<\/ul>\n<p>\u5982\u679c\u547d\u4ee4\u57f7\u884c\u6210\u529f\uff0c\u5247\u8868\u793a\u7372\u53d6\u9396\u6210\u529f\uff1b\u5982\u679c\u8fd4\u56de nil\uff0c\u5247\u8868\u793a\u9396\u5df2\u88ab\u5176\u4ed6\u9032\u7a0b\u7372\u53d6\u3002<\/p>\n<h2 id=\"%e9%87%8b%e6%94%be%e9%8e%96-DjBcWIqrYh\">\u91cb\u653e\u9396<\/h2>\n<p>\u91cb\u653e\u9396\u7684\u904e\u7a0b\u4e5f\u9700\u8981\u8b39\u614e\uff0c\u4ee5\u907f\u514d\u8aa4\u91cb\u653e\u5176\u4ed6\u9032\u7a0b\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}\n<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u9996\u5148\u6aa2\u67e5\u7576\u524d\u9032\u7a0b\u662f\u5426\u662f\u9396\u7684\u64c1\u6709\u8005\uff0c\u53ea\u6709\u5728\u78ba\u8a8d\u64c1\u6709\u8005\u7684\u60c5\u6cc1\u4e0b\u624d\u6703\u91cb\u653e\u9396\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-DjBcWIqrYh\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u4f7f\u7528 Redis \u5be6\u73fe\u5206\u5e03\u5f0f\u9396\u6642\uff0c\u6709\u5e7e\u500b\u6ce8\u610f\u4e8b\u9805\uff1a<\/p>\n<ul>\n<li><strong>\u9396\u7684\u904e\u671f\u6642\u9593\uff1a<\/strong>\u8a2d\u7f6e\u5408\u7406\u7684\u904e\u671f\u6642\u9593\uff0c\u4ee5\u9632\u6b62\u56e0\u70ba\u9032\u7a0b\u5d29\u6f70\u800c\u5c0e\u81f4\u9396\u7121\u6cd5\u91cb\u653e\u3002<\/li>\n<li><strong>\u91cd\u8a66\u6a5f\u5236\uff1a<\/strong>\u5728\u7372\u53d6\u9396\u5931\u6557\u6642\uff0c\u61c9\u8a2d\u7f6e\u91cd\u8a66\u6a5f\u5236\uff0c\u4ee5\u63d0\u9ad8\u6210\u529f\u7387\u3002<\/li>\n<li><strong>\u907f\u514d\u6b7b\u9396\uff1a<\/strong>\u8a2d\u8a08\u6642\u9700\u8003\u616e\u5230\u6b7b\u9396\u7684\u60c5\u6cc1\uff0c\u907f\u514d\u9577\u6642\u9593\u6301\u6709\u9396\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-DjBcWIqrYh\">\u7e3d\u7d50<\/h2>\n<p>Redis \u63d0\u4f9b\u4e86\u4e00\u7a2e\u7c21\u55ae\u800c\u9ad8\u6548\u7684\u65b9\u5f0f\u4f86\u89e3\u6c7a\u5206\u5e03\u5f0f\u9396\u554f\u984c\u3002\u901a\u904e\u5408\u7406\u7684\u8a2d\u8a08\u548c\u5be6\u73fe\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u591a\u500b\u9032\u7a0b\u5c0d\u5171\u4eab\u8cc7\u6e90\u7684\u8a2a\u554f\uff0c\u5f9e\u800c\u63d0\u9ad8\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u548c\u53ef\u9760\u6027\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u8cc7\u6e90\u7ba1\u7406\u7684\u61c9\u7528\u5834\u666f\uff0cRedis \u7684\u5206\u5e03\u5f0f\u9396\u7121\u7591\u662f\u4e00\u500b\u503c\u5f97\u8003\u616e\u7684\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u9084\u662f\u5176\u4ed6\u670d\u52d9\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5982\u4f55\u5229\u7528 Redis \u89e3\u6c7a\u5206\u5e03\u5f0f\u9396\u554f\u984c\uff0c\u63d0\u5347\u7cfb\u7d71\u6548\u7387\u8207\u7a69\u5b9a\u6027\uff0c\u5be6\u73fe\u9ad8\u6548\u80fd\u7684\u5206\u5e03\u5f0f\u61c9\u7528\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-125161","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/125161","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=125161"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/125161\/revisions"}],"predecessor-version":[{"id":125162,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/125161\/revisions\/125162"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=125161"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=125161"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=125161"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}