{"id":129433,"date":"2024-10-26T21:35:22","date_gmt":"2024-10-26T13:35:22","guid":{"rendered":"https:\/\/server.hk\/cnblog\/129433\/"},"modified":"2024-10-26T21:35:23","modified_gmt":"2024-10-26T13:35:23","slug":"redis%e9%8e%96%e6%b0%b8%e4%b8%8d%e9%81%8e%e6%9c%9f%ef%bc%88redis%e9%8e%96%e6%b2%92%e6%9c%89%e9%81%8e%e6%9c%9f%e6%99%82%e9%96%93%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/129433\/","title":{"rendered":"Redis\u9396\u6c38\u4e0d\u904e\u671f\uff08redis\u9396\u6c92\u6709\u904e\u671f\u6642\u9593\uff09"},"content":{"rendered":"<h1 id=\"redis%e9%8e%96%e6%b0%b8%e4%b8%8d%e9%81%8e%e6%9c%9f%ef%bc%88redis%e9%8e%96%e6%b2%92%e6%9c%89%e9%81%8e%e6%9c%9f%e6%99%82%e9%96%93%ef%bc%89-FFPfTZauqX\">Redis\u9396\u6c38\u4e0d\u904e\u671f\uff08Redis\u9396\u6c92\u6709\u904e\u671f\u6642\u9593\uff09<\/h1>\n<p>\u5728\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u9396\u7684\u4f7f\u7528\u662f\u78ba\u4fdd\u6578\u64da\u4e00\u81f4\u6027\u548c\u9632\u6b62\u7af6\u722d\u689d\u4ef6\u7684\u91cd\u8981\u624b\u6bb5\u3002Redis\u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u9396\u7684\u5be6\u73fe\u65b9\u5f0f\uff0c\u5176\u4e2d\u4e00\u7a2e\u5e38\u898b\u7684\u505a\u6cd5\u662f\u4f7f\u7528Redis\u9396\u3002\u7136\u800c\uff0c\u7576\u6211\u5011\u8ac7\u8ad6Redis\u9396\u6642\uff0c\u7d93\u5e38\u6703\u9047\u5230\u300c\u9396\u6c38\u4e0d\u904e\u671f\u300d\u7684\u60c5\u6cc1\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u9019\u4e00\u4e3b\u984c\uff0c\u5206\u6790\u5176\u512a\u7f3a\u9ede\u53ca\u4f7f\u7528\u5834\u666f\u3002<\/p>\n<h2 id=\"redis%e9%8e%96%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-FFPfTZauqX\">Redis\u9396\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>Redis\u9396\u901a\u5e38\u662f\u901a\u904e\u8a2d\u7f6e\u4e00\u500b\u9375\u4f86\u5be6\u73fe\u7684\uff0c\u7576\u4e00\u500b\u9032\u7a0b\u7372\u53d6\u9396\u6642\uff0c\u5b83\u6703\u5728Redis\u4e2d\u8a2d\u7f6e\u4e00\u500b\u7279\u5b9a\u7684\u9375\uff0c\u4e26\u4e14\u901a\u5e38\u6703\u8a2d\u7f6e\u4e00\u500b\u904e\u671f\u6642\u9593\uff0c\u4ee5\u9632\u6b62\u6b7b\u9396\u7684\u60c5\u6cc1\u767c\u751f\u3002\u9019\u6a23\u7684\u9396\u7a31\u70ba\u300c\u6709\u904e\u671f\u6642\u9593\u7684\u9396\u300d\u3002\u7136\u800c\uff0c\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u958b\u767c\u8005\u53ef\u80fd\u6703\u9078\u64c7\u4e0d\u8a2d\u7f6e\u904e\u671f\u6642\u9593\uff0c\u9019\u5c31\u662f\u300c\u9396\u6c38\u4e0d\u904e\u671f\u300d\u7684\u60c5\u6cc1\u3002<\/p>\n<h2 id=\"%e9%8e%96%e6%b0%b8%e4%b8%8d%e9%81%8e%e6%9c%9f%e7%9a%84%e5%84%aa%e9%bb%9e-FFPfTZauqX\">\u9396\u6c38\u4e0d\u904e\u671f\u7684\u512a\u9ede<\/h2>\n<ul>\n<li><strong>\u7c21\u5316\u908f\u8f2f\uff1a<\/strong>\u4e0d\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u53ef\u4ee5\u7c21\u5316\u9396\u7684\u7ba1\u7406\u908f\u8f2f\uff0c\u958b\u767c\u8005\u4e0d\u9700\u8981\u64d4\u5fc3\u9396\u7684\u81ea\u52d5\u91cb\u653e\u554f\u984c\u3002<\/li>\n<li><strong>\u907f\u514d\u610f\u5916\u91cb\u653e\uff1a<\/strong>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u904e\u671f\u6642\u9593\u53ef\u80fd\u6703\u5c0e\u81f4\u9396\u5728\u672a\u5b8c\u6210\u64cd\u4f5c\u6642\u88ab\u91cb\u653e\uff0c\u9019\u6703\u5f15\u767c\u6578\u64da\u4e0d\u4e00\u81f4\u7684\u554f\u984c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e9%8e%96%e6%b0%b8%e4%b8%8d%e9%81%8e%e6%9c%9f%e7%9a%84%e7%bc%ba%e9%bb%9e-FFPfTZauqX\">\u9396\u6c38\u4e0d\u904e\u671f\u7684\u7f3a\u9ede<\/h2>\n<ul>\n<li><strong>\u6b7b\u9396\u98a8\u96aa\uff1a<\/strong>\u5982\u679c\u6301\u6709\u9396\u7684\u9032\u7a0b\u5d29\u6f70\u6216\u7121\u6cd5\u91cb\u653e\u9396\uff0c\u5247\u53ef\u80fd\u5c0e\u81f4\u6b7b\u9396\uff0c\u5176\u4ed6\u9032\u7a0b\u5c07\u7121\u6cd5\u7372\u53d6\u8a72\u9396\u3002<\/li>\n<li><strong>\u8cc7\u6e90\u6d6a\u8cbb\uff1a<\/strong>\u9577\u6642\u9593\u6301\u6709\u9396\u53ef\u80fd\u6703\u5c0e\u81f4\u8cc7\u6e90\u7684\u6d6a\u8cbb\uff0c\u7279\u5225\u662f\u5728\u9ad8\u4f75\u767c\u7684\u74b0\u5883\u4e2d\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e5%af%a6%e7%8f%beredis%e9%8e%96%e6%b0%b8%e4%b8%8d%e9%81%8e%e6%9c%9f-FFPfTZauqX\">\u5982\u4f55\u5be6\u73feRedis\u9396\u6c38\u4e0d\u904e\u671f<\/h2>\n<p>\u5be6\u73feRedis\u9396\u6c38\u4e0d\u904e\u671f\u7684\u57fa\u672c\u601d\u8def\u662f\u4f7f\u7528SETNX\u547d\u4ee4\u4f86\u8a2d\u7f6e\u9396\uff0c\u4e26\u4e14\u4e0d\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>SETNX lock_key unique_lock_value\n<\/code><\/pre>\n<p>\u5728\u9019\u88e1\uff0c`lock_key`\u662f\u9396\u7684\u9375\u540d\uff0c`unique_lock_value`\u662f\u7528\u65bc\u6a19\u8b58\u9396\u7684\u552f\u4e00\u503c\u3002\u5982\u679c`SETNX`\u8fd4\u56de1\uff0c\u5247\u8868\u793a\u9396\u7372\u53d6\u6210\u529f\uff1b\u5982\u679c\u8fd4\u56de0\uff0c\u5247\u8868\u793a\u9396\u5df2\u88ab\u5176\u4ed6\u9032\u7a0b\u6301\u6709\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e9%87%8b%e6%94%beredis%e9%8e%96-FFPfTZauqX\">\u5982\u4f55\u91cb\u653eRedis\u9396<\/h2>\n<p>\u91cb\u653e\u9396\u7684\u904e\u7a0b\u9700\u8981\u8b39\u614e\uff0c\u4ee5\u78ba\u4fdd\u53ea\u6709\u6301\u6709\u9396\u7684\u9032\u7a0b\u624d\u80fd\u91cb\u653e\u5b83\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u91cb\u653e\u9396\u7684\u793a\u4f8b\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\u6301\u6709\u7684\u9396\u503c\u662f\u5426\u8207Redis\u4e2d\u7684\u503c\u76f8\u540c\uff0c\u53ea\u6709\u76f8\u540c\u6642\u624d\u91cb\u653e\u9396\u3002\u9019\u6a23\u53ef\u4ee5\u907f\u514d\u5176\u4ed6\u9032\u7a0b\u8aa4\u91cb\u653e\u9396\u7684\u60c5\u6cc1\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8%e5%a0%b4%e6%99%af-FFPfTZauqX\">\u4f7f\u7528\u5834\u666f<\/h2>\n<p>\u5728\u67d0\u4e9b\u7279\u5b9a\u7684\u5834\u666f\u4e0b\uff0c\u4f7f\u7528\u6c38\u4e0d\u904e\u671f\u7684\u9396\u662f\u5408\u9069\u7684\u3002\u4f8b\u5982\uff0c\u5728\u9700\u8981\u9577\u6642\u9593\u57f7\u884c\u7684\u4efb\u52d9\u4e2d\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u9078\u64c7\u4e0d\u8a2d\u7f6e\u904e\u671f\u6642\u9593\uff0c\u4ee5\u907f\u514d\u5728\u4efb\u52d9\u672a\u5b8c\u6210\u6642\u9396\u88ab\u91cb\u653e\u3002\u7136\u800c\uff0c\u9019\u7a2e\u505a\u6cd5\u9700\u8981\u958b\u767c\u8005\u5c0d\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u6709\u5145\u5206\u7684\u4fe1\u5fc3\uff0c\u4e26\u4e14\u9700\u8981\u6709\u76f8\u61c9\u7684\u76e3\u63a7\u6a5f\u5236\u4f86\u6aa2\u6e2c\u6b7b\u9396\u7684\u60c5\u6cc1\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-FFPfTZauqX\">\u7d50\u8ad6<\/h2>\n<p>Redis\u9396\u6c38\u4e0d\u904e\u671f\u7684\u505a\u6cd5\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\u53ef\u4ee5\u7c21\u5316\u9396\u7684\u7ba1\u7406\uff0c\u4f46\u540c\u6642\u4e5f\u5e36\u4f86\u4e86\u6b7b\u9396\u7684\u98a8\u96aa\u3002\u56e0\u6b64\uff0c\u5728\u9078\u64c7\u4f7f\u7528\u9019\u7a2e\u9396\u7684\u6642\u5019\uff0c\u958b\u767c\u8005\u9700\u8981\u4ed4\u7d30\u8003\u616e\u5177\u9ad4\u7684\u61c9\u7528\u5834\u666f\u548c\u7cfb\u7d71\u9700\u6c42\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u53ef\u7528\u6027\u548c\u7a69\u5b9a\u6027\u7684\u7cfb\u7d71\uff0c\u5efa\u8b70\u4f7f\u7528\u6709\u904e\u671f\u6642\u9593\u7684\u9396\u4f86\u964d\u4f4e\u98a8\u96aa\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u95dc\u65bc<code>VPS<\/code>\u3001<code>\u9999\u6e2fVPS<\/code>\u53ca\u5176\u4ed6<code>\u4f3a\u670d\u5668<\/code>\u89e3\u6c7a\u65b9\u6848\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9 <a href=\"https:\/\/server.hk\">Server.HK<\/a>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Redis\u9396\u7684\u7279\u6027\uff0c\u4e86\u89e3\u5982\u4f55\u5be6\u73fe\u6c38\u4e0d\u904e\u671f\u7684\u9396\u5b9a\u6a5f\u5236\uff0c\u63d0\u5347\u7cfb\u7d71\u7a69\u5b9a\u6027\u8207\u6027\u80fd\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-129433","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/129433","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=129433"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/129433\/revisions"}],"predecessor-version":[{"id":129434,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/129433\/revisions\/129434"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=129433"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=129433"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=129433"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}