{"id":97378,"date":"2024-10-20T17:24:16","date_gmt":"2024-10-20T09:24:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/97378\/"},"modified":"2024-10-20T17:24:17","modified_gmt":"2024-10-20T09:24:17","slug":"redis-%e5%8a%a0%e9%8e%96%e6%8e%a7%e5%88%b6%e5%bb%b6%e9%81%b2%e5%95%8f%e9%a1%8c%ef%bc%88redis%e9%8e%96%e5%bb%b6%e9%81%b2%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/97378\/","title":{"rendered":"Redis \u52a0\u9396\u63a7\u5236\u5ef6\u9072\u554f\u984c\uff08redis\u9396\u5ef6\u9072\uff09"},"content":{"rendered":"<h1 id=\"redis-%e5%8a%a0%e9%8e%96%e6%8e%a7%e5%88%b6%e5%bb%b6%e9%81%b2%e5%95%8f%e9%a1%8c%ef%bc%88redis%e9%8e%96%e5%bb%b6%e9%81%b2%ef%bc%89-YbZLPDfpYm\">Redis \u52a0\u9396\u63a7\u5236\u5ef6\u9072\u554f\u984c\uff08redis\u9396\u5ef6\u9072\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\u5b9a\u6a5f\u5236\u4f86\u89e3\u6c7a\u9019\u4e9b\u554f\u984c\u3002\u7136\u800c\uff0c\u4f7f\u7528 Redis \u9396\u6642\uff0c\u958b\u767c\u8005\u5e38\u5e38\u6703\u9047\u5230\u9396\u5ef6\u9072\u7684\u554f\u984c\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e Redis \u9396\u7684\u5de5\u4f5c\u539f\u7406\u3001\u9396\u5ef6\u9072\u7684\u539f\u56e0\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"redis-%e9%8e%96%e7%9a%84%e5%9f%ba%e6%9c%ac%e5%8e%9f%e7%90%86-YbZLPDfpYm\">Redis \u9396\u7684\u57fa\u672c\u539f\u7406<\/h2>\n<p>Redis \u9396\u901a\u5e38\u662f\u901a\u904e SETNX \u547d\u4ee4\u4f86\u5be6\u73fe\u7684\u3002SETNX\uff08Set if Not eXists\uff09\u547d\u4ee4\u53ef\u4ee5\u5728\u9375\u4e0d\u5b58\u5728\u6642\u8a2d\u7f6e\u9375\u7684\u503c\uff0c\u9019\u4f7f\u5f97\u5b83\u6210\u70ba\u5be6\u73fe\u5206\u4f48\u5f0f\u9396\u7684\u7406\u60f3\u9078\u64c7\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>SETNX lock_key unique_lock_value\nEXPIRE lock_key 10\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u7576\u4e00\u500b\u9032\u7a0b\u6210\u529f\u7372\u53d6\u9396\u6642\uff0c\u5b83\u6703\u8a2d\u7f6e\u4e00\u500b\u552f\u4e00\u7684\u9396\u503c\u4e26\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u3002\u9019\u6a23\u53ef\u4ee5\u9632\u6b62\u6b7b\u9396\u7684\u60c5\u6cc1\u767c\u751f\u3002<\/p>\n<h2 id=\"%e9%8e%96%e5%bb%b6%e9%81%b2%e7%9a%84%e5%8e%9f%e5%9b%a0-YbZLPDfpYm\">\u9396\u5ef6\u9072\u7684\u539f\u56e0<\/h2>\n<p>\u9396\u5ef6\u9072\u901a\u5e38\u662f\u7531\u4ee5\u4e0b\u5e7e\u500b\u539f\u56e0\u5f15\u8d77\u7684\uff1a<\/p>\n<ul>\n<li><strong>\u7db2\u7d61\u5ef6\u9072\uff1a<\/strong>\u5728\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u7db2\u7d61\u5ef6\u9072\u662f\u4e0d\u53ef\u907f\u514d\u7684\u3002\u7576\u591a\u500b\u5ba2\u6236\u7aef\u540c\u6642\u8acb\u6c42\u9396\u6642\uff0c\u7db2\u7d61\u5ef6\u9072\u53ef\u80fd\u5c0e\u81f4\u67d0\u4e9b\u8acb\u6c42\u7121\u6cd5\u53ca\u6642\u7372\u53d6\u9396\u3002<\/li>\n<li><strong>\u9396\u7684\u6301\u6709\u6642\u9593\u904e\u9577\uff1a<\/strong>\u5982\u679c\u4e00\u500b\u9032\u7a0b\u6301\u6709\u9396\u7684\u6642\u9593\u904e\u9577\uff0c\u5176\u4ed6\u9032\u7a0b\u5c07\u7121\u6cd5\u7372\u53d6\u9396\uff0c\u5f9e\u800c\u5c0e\u81f4\u5ef6\u9072\u3002<\/li>\n<li><strong>\u9396\u7684\u7af6\u722d\uff1a<\/strong>\u7576\u591a\u500b\u9032\u7a0b\u540c\u6642\u7af6\u722d\u540c\u4e00\u628a\u9396\u6642\uff0c\u6703\u5c0e\u81f4\u5ef6\u9072\u3002\u9019\u7a2e\u60c5\u6cc1\u5728\u9ad8\u4e26\u767c\u74b0\u5883\u4e2d\u5c24\u70ba\u660e\u986f\u3002<\/li>\n<\/ul>\n<h2 id=\"%e8%a7%a3%e6%b1%ba%e9%8e%96%e5%bb%b6%e9%81%b2%e5%95%8f%e9%a1%8c%e7%9a%84%e6%96%b9%e6%b3%95-YbZLPDfpYm\">\u89e3\u6c7a\u9396\u5ef6\u9072\u554f\u984c\u7684\u65b9\u6cd5<\/h2>\n<p>\u70ba\u4e86\u6e1b\u5c11 Redis \u9396\u7684\u5ef6\u9072\u554f\u984c\uff0c\u53ef\u4ee5\u8003\u616e\u4ee5\u4e0b\u5e7e\u7a2e\u89e3\u6c7a\u65b9\u6848\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8-redlock-%e7%ae%97%e6%b3%95-YbZLPDfpYm\">1. \u4f7f\u7528 Redlock \u7b97\u6cd5<\/h3>\n<p>Redlock \u662f\u4e00\u7a2e\u6539\u9032\u7684\u5206\u4f48\u5f0f\u9396\u7b97\u6cd5\uff0c\u65e8\u5728\u63d0\u9ad8\u9396\u7684\u53ef\u9760\u6027\u548c\u6027\u80fd\u3002\u5b83\u901a\u904e\u5728\u591a\u500b Redis \u5be6\u4f8b\u4e0a\u7372\u53d6\u9396\u4f86\u6e1b\u5c11\u55ae\u9ede\u6545\u969c\u7684\u98a8\u96aa\u3002\u4ee5\u4e0b\u662f Redlock \u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n<ol>\n<li>\u5728 N \u500b Redis \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\u9396\u7372\u53d6\u6210\u529f\u3002<\/li>\n<\/ol>\n<h3 id=\"2-%e8%a8%ad%e7%bd%ae%e5%90%88%e7%90%86%e7%9a%84%e9%8e%96%e9%81%8e%e6%9c%9f%e6%99%82%e9%96%93-YbZLPDfpYm\">2. \u8a2d\u7f6e\u5408\u7406\u7684\u9396\u904e\u671f\u6642\u9593<\/h3>\n<p>\u5408\u7406\u8a2d\u7f6e\u9396\u7684\u904e\u671f\u6642\u9593\u53ef\u4ee5\u6709\u6548\u6e1b\u5c11\u9396\u5ef6\u9072\u7684\u5f71\u97ff\u3002\u904e\u671f\u6642\u9593\u61c9\u6839\u64da\u696d\u52d9\u908f\u8f2f\u548c\u64cd\u4f5c\u7684\u57f7\u884c\u6642\u9593\u4f86\u8a2d\u7f6e\uff0c\u907f\u514d\u904e\u9577\u6216\u904e\u77ed\u7684\u60c5\u6cc1\u3002<\/p>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8%e9%9d%9e%e9%98%bb%e5%a1%9e%e9%8e%96-YbZLPDfpYm\">3. \u4f7f\u7528\u975e\u963b\u585e\u9396<\/h3>\n<p>\u975e\u963b\u585e\u9396\u5141\u8a31\u9032\u7a0b\u5728\u7121\u6cd5\u7372\u53d6\u9396\u6642\u7acb\u5373\u8fd4\u56de\uff0c\u800c\u4e0d\u662f\u7b49\u5f85\u9396\u7684\u91cb\u653e\u3002\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u56e0\u9396\u7af6\u722d\u5c0e\u81f4\u7684\u5ef6\u9072\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-YbZLPDfpYm\">\u7d50\u8ad6<\/h2>\n<p>Redis \u9396\u5728\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\u626e\u6f14\u8457\u91cd\u8981\u89d2\u8272\uff0c\u4f46\u9396\u5ef6\u9072\u554f\u984c\u537b\u662f\u958b\u767c\u8005\u9700\u8981\u9762\u5c0d\u7684\u6311\u6230\u3002\u901a\u904e\u7406\u89e3\u9396\u7684\u57fa\u672c\u539f\u7406\u3001\u8b58\u5225\u5ef6\u9072\u7684\u539f\u56e0\u4ee5\u53ca\u63a1\u53d6\u76f8\u61c9\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u6e1b\u5c11\u9396\u5ef6\u9072\u5c0d\u7cfb\u7d71\u6027\u80fd\u7684\u5f71\u97ff\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u80fd\u548c\u7a69\u5b9a\u6027\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4e5f\u662f\u81f3\u95dc\u91cd\u8981\u7684\uff0c\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u7cfb\u7d71\u5728\u9ad8\u4e26\u767c\u60c5\u6cc1\u4e0b\u7684\u7a69\u5b9a\u904b\u884c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Redis\u52a0\u9396\u63a7\u5236\u5ef6\u9072\u554f\u984c\uff0c\u4e86\u89e3\u5982\u4f55\u512a\u5316\u9396\u7684\u6027\u80fd\u8207\u7a69\u5b9a\u6027\uff0c\u63d0\u5347\u7cfb\u7d71\u6548\u7387\u8207\u97ff\u61c9\u901f\u5ea6\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-97378","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/97378","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=97378"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/97378\/revisions"}],"predecessor-version":[{"id":97379,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/97378\/revisions\/97379"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=97378"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=97378"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=97378"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}