{"id":126819,"date":"2024-10-26T07:54:16","date_gmt":"2024-10-25T23:54:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/126819\/"},"modified":"2024-10-26T07:54:17","modified_gmt":"2024-10-25T23:54:17","slug":"redis-%e6%b8%85%e7%a9%ba%e9%9a%8a%e5%88%97%e4%b8%80%e7%a8%ae%e6%9c%89%e6%95%88%e7%9a%84%e8%99%95%e7%90%86%e6%96%b9%e5%bc%8f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/126819\/","title":{"rendered":"Redis \u6e05\u7a7a\u968a\u5217\u4e00\u7a2e\u6709\u6548\u7684\u8655\u7406\u65b9\u5f0f"},"content":{"rendered":"<h1 id=\"redis-%e6%b8%85%e7%a9%ba%e9%9a%8a%e5%88%97%e4%b8%80%e7%a8%ae%e6%9c%89%e6%95%88%e7%9a%84%e8%99%95%e7%90%86%e6%96%b9%e5%bc%8f-nowhbkMeNB\">Redis \u6e05\u7a7a\u968a\u5217\u4e00\u7a2e\u6709\u6548\u7684\u8655\u7406\u65b9\u5f0f<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0cRedis \u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u5feb\u901f\u8b80\u53d6\u548c\u5beb\u5165\u7684\u61c9\u7528\u4e2d\u3002\u7576\u4f7f\u7528 Redis \u9032\u884c\u968a\u5217\u7ba1\u7406\u6642\uff0c\u6e05\u7a7a\u968a\u5217\u7684\u9700\u6c42\u6642\u5e38\u51fa\u73fe\u3002\u672c\u6587\u5c07\u63a2\u8a0e Redis \u6e05\u7a7a\u968a\u5217\u7684\u6709\u6548\u8655\u7406\u65b9\u5f0f\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-redis-%e9%9a%8a%e5%88%97%ef%bc%9f-nowhbkMeNB\">\u4ec0\u9ebc\u662f Redis \u968a\u5217\uff1f<\/h2>\n<p>Redis \u968a\u5217\u901a\u5e38\u662f\u901a\u904e\u5217\u8868\uff08List\uff09\u6578\u64da\u7d50\u69cb\u4f86\u5be6\u73fe\u7684\u3002\u5217\u8868\u5141\u8a31\u5728\u5169\u7aef\u9032\u884c\u63a8\u5165\u548c\u5f48\u51fa\u64cd\u4f5c\uff0c\u9019\u4f7f\u5f97\u5b83\u975e\u5e38\u9069\u5408\u7528\u4f5c\u968a\u5217\u3002\u4f7f\u7528 Redis \u7684\u5217\u8868\u7d50\u69cb\uff0c\u6211\u5011\u53ef\u4ee5\u8f15\u9b06\u5730\u5be6\u73fe\u5148\u9032\u5148\u51fa\uff08FIFO\uff09\u7684\u968a\u5217\u884c\u70ba\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e6%b8%85%e7%a9%ba%e9%9a%8a%e5%88%97%ef%bc%9f-nowhbkMeNB\">\u70ba\u4ec0\u9ebc\u9700\u8981\u6e05\u7a7a\u968a\u5217\uff1f<\/h2>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u6e05\u7a7a\u968a\u5217\u662f\u5fc5\u8981\u7684\uff0c\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li>\u7576\u968a\u5217\u4e2d\u7684\u6578\u64da\u5df2\u7d93\u904e\u6642\u6216\u4e0d\u518d\u9700\u8981\u6642\u3002<\/li>\n<li>\u5728\u9032\u884c\u6e2c\u8a66\u6216\u958b\u767c\u6642\uff0c\u53ef\u80fd\u9700\u8981\u91cd\u7f6e\u968a\u5217\u7684\u72c0\u614b\u3002<\/li>\n<li>\u7576\u7cfb\u7d71\u51fa\u73fe\u932f\u8aa4\u6216\u7570\u5e38\u60c5\u6cc1\u6642\uff0c\u6e05\u7a7a\u968a\u5217\u53ef\u4ee5\u5e6b\u52a9\u6062\u5fa9\u6b63\u5e38\u904b\u884c\u3002<\/li>\n<\/ul>\n<h2 id=\"redis-%e6%b8%85%e7%a9%ba%e9%9a%8a%e5%88%97%e7%9a%84%e6%96%b9%e6%b3%95-nowhbkMeNB\">Redis \u6e05\u7a7a\u968a\u5217\u7684\u65b9\u6cd5<\/h2>\n<p>\u5728 Redis \u4e2d\uff0c\u6709\u5e7e\u7a2e\u65b9\u6cd5\u53ef\u4ee5\u6e05\u7a7a\u968a\u5217\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u65b9\u6cd5\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8-del-%e5%91%bd%e4%bb%a4-nowhbkMeNB\">1. \u4f7f\u7528 DEL \u547d\u4ee4<\/h3>\n<p>\u5982\u679c\u968a\u5217\u662f\u4ee5\u9375\u503c\u5c0d\u7684\u5f62\u5f0f\u5b58\u5132\u5728 Redis \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>DEL<\/code> \u547d\u4ee4\u4f86\u522a\u9664\u6574\u500b\u9375\u3002\u9019\u662f\u6700\u76f4\u63a5\u7684\u65b9\u6cd5\u3002<\/p>\n<pre><code>DEL queue_name<\/code><\/pre>\n<p>\u9019\u6a23\u6703\u522a\u9664\u540d\u70ba <code>queue_name<\/code> \u7684\u6574\u500b\u968a\u5217\u3002<\/p>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8-ltrim-%e5%91%bd%e4%bb%a4-nowhbkMeNB\">2. \u4f7f\u7528 LTRIM \u547d\u4ee4<\/h3>\n<p>\u5982\u679c\u60a8\u53ea\u60f3\u6e05\u7a7a\u968a\u5217\u4e2d\u7684\u6240\u6709\u5143\u7d20\uff0c\u4f46\u4fdd\u7559\u9375\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>LTRIM<\/code> \u547d\u4ee4\u3002\u9019\u500b\u547d\u4ee4\u53ef\u4ee5\u5c07\u5217\u8868\u4fee\u526a\u5230\u6307\u5b9a\u7684\u7bc4\u570d\u3002<\/p>\n<pre><code>LTRIM queue_name 1 0<\/code><\/pre>\n<p>\u9019\u6a23\u6703\u5c07 <code>queue_name<\/code> \u7684\u5217\u8868\u4fee\u526a\u70ba\u7a7a\u3002<\/p>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8-rpop-%e6%88%96-lpop-%e5%91%bd%e4%bb%a4-nowhbkMeNB\">3. \u4f7f\u7528 RPOP \u6216 LPOP \u547d\u4ee4<\/h3>\n<p>\u5982\u679c\u60a8\u5e0c\u671b\u9010\u500b\u522a\u9664\u968a\u5217\u4e2d\u7684\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>RPOP<\/code> \u6216 <code>LPOP<\/code> \u547d\u4ee4\u3002\u9019\u4e9b\u547d\u4ee4\u5206\u5225\u5f9e\u5217\u8868\u7684\u53f3\u7aef\u548c\u5de6\u7aef\u522a\u9664\u5143\u7d20\u3002<\/p>\n<pre><code>while (LLEN queue_name) &gt; 0:\n    RPOP queue_name<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u5c07\u6301\u7e8c\u5f9e <code>queue_name<\/code> \u4e2d\u522a\u9664\u5143\u7d20\uff0c\u76f4\u5230\u968a\u5217\u70ba\u7a7a\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-nowhbkMeNB\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u6e05\u7a7a\u968a\u5217\u4e4b\u524d\uff0c\u5efa\u8b70\u5148\u78ba\u8a8d\u662f\u5426\u771f\u7684\u9700\u8981\u9019\u6a23\u505a\uff0c\u56e0\u70ba\u4e00\u65e6\u522a\u9664\uff0c\u6578\u64da\u5c07\u7121\u6cd5\u6062\u5fa9\u3002\u6b64\u5916\uff0c\u5c0d\u65bc\u9ad8\u983b\u7387\u7684\u64cd\u4f5c\uff0c\u61c9\u8003\u616e\u6027\u80fd\u5f71\u97ff\uff0c\u7279\u5225\u662f\u5728\u5927\u578b\u61c9\u7528\u4e2d\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-nowhbkMeNB\">\u7d50\u8ad6<\/h2>\n<p>Redis \u63d0\u4f9b\u4e86\u591a\u7a2e\u6e05\u7a7a\u968a\u5217\u7684\u65b9\u6cd5\uff0c\u6839\u64da\u5177\u9ad4\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u65b9\u5f0f\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u6578\u64da\u3002\u7121\u8ad6\u662f\u4f7f\u7528 <code>DEL<\/code> \u547d\u4ee4\u9084\u662f\u5176\u4ed6\u65b9\u6cd5\uff0c\u4e86\u89e3\u9019\u4e9b\u64cd\u4f5c\u7684\u7279\u6027\u548c\u5f71\u97ff\u90fd\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002<\/p>\n<p>\u5982\u9700\u9032\u4e00\u6b65\u4e86\u89e3\u5982\u4f55\u5728\u60a8\u7684\u61c9\u7528\u4e2d\u6709\u6548\u5229\u7528 Redis\uff0c\u60a8\u53ef\u4ee5\u8003\u616e\u4f7f\u7528 <a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/a> \u670d\u52d9\uff0c\u9019\u5c07\u70ba\u60a8\u7684\u9805\u76ee\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Redis\u6e05\u7a7a\u968a\u5217\u7684\u6709\u6548\u8655\u7406\u65b9\u5f0f\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\uff0c\u7c21\u5316\u64cd\u4f5c\u6d41\u7a0b\uff0c\u78ba\u4fdd\u7cfb\u7d71\u6027\u80fd\u6700\u4f73\u5316\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-126819","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/126819","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=126819"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/126819\/revisions"}],"predecessor-version":[{"id":126820,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/126819\/revisions\/126820"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=126819"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=126819"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=126819"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}