{"id":179490,"date":"2024-11-09T02:15:20","date_gmt":"2024-11-08T18:15:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/179490\/"},"modified":"2024-11-09T02:15:21","modified_gmt":"2024-11-08T18:15:21","slug":"%e5%a6%82%e4%bd%95%e6%9c%89%e6%95%88%e5%9c%b0%e9%99%90%e5%88%b6-redis-%e9%9a%8a%e5%88%97%e6%95%b8%e9%87%8f%ef%bc%88redis-%e9%9a%8a%e5%88%97%e6%95%b8%e9%87%8f%e9%99%90%e5%88%b6%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/179490\/","title":{"rendered":"\u5982\u4f55\u6709\u6548\u5730\u9650\u5236 Redis \u968a\u5217\u6578\u91cf\uff08redis \u968a\u5217\u6578\u91cf\u9650\u5236\uff09"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e6%9c%89%e6%95%88%e5%9c%b0%e9%99%90%e5%88%b6-redis-%e9%9a%8a%e5%88%97%e6%95%b8%e9%87%8f%ef%bc%88redis-%e9%9a%8a%e5%88%97%e6%95%b8%e9%87%8f%e9%99%90%e5%88%b6%ef%bc%89-WXsKgxWKlj\">\u5982\u4f55\u6709\u6548\u5730\u9650\u5236 Redis \u968a\u5217\u6578\u91cf\uff08redis \u968a\u5217\u6578\u91cf\u9650\u5236\uff09<\/h1>\n<p>Redis \u662f\u4e00\u7a2e\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\u4e2d\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u5feb\u901f\u6578\u64da\u5b58\u53d6\u7684\u61c9\u7528\u4e2d\u3002\u7576\u4f7f\u7528 Redis \u4f5c\u70ba\u6d88\u606f\u968a\u5217\u6642\uff0c\u53ef\u80fd\u6703\u9047\u5230\u968a\u5217\u6578\u91cf\u904e\u591a\u7684\u554f\u984c\uff0c\u9019\u4e0d\u50c5\u6703\u5f71\u97ff\u6027\u80fd\uff0c\u9084\u53ef\u80fd\u5c0e\u81f4\u8cc7\u6e90\u6d6a\u8cbb\u3002\u56e0\u6b64\uff0c\u4e86\u89e3\u5982\u4f55\u6709\u6548\u5730\u9650\u5236 Redis \u968a\u5217\u6578\u91cf\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e9%99%90%e5%88%b6-redis-%e9%9a%8a%e5%88%97%e6%95%b8%e9%87%8f-WXsKgxWKlj\">\u70ba\u4ec0\u9ebc\u9700\u8981\u9650\u5236 Redis \u968a\u5217\u6578\u91cf<\/h2>\n<p>\u5728\u4f7f\u7528 Redis \u4f5c\u70ba\u6d88\u606f\u968a\u5217\u6642\uff0c\u968a\u5217\u7684\u6578\u91cf\u53ef\u80fd\u6703\u96a8\u8457\u6642\u9593\u7684\u63a8\u79fb\u800c\u4e0d\u65b7\u589e\u52a0\u3002\u9019\u53ef\u80fd\u6703\u5c0e\u81f4\u4ee5\u4e0b\u5e7e\u500b\u554f\u984c\uff1a<\/p>\n<ul>\n<li><strong>\u6027\u80fd\u4e0b\u964d\uff1a<\/strong>\u7576\u968a\u5217\u6578\u91cf\u904e\u591a\u6642\uff0cRedis \u7684\u6027\u80fd\u53ef\u80fd\u6703\u53d7\u5230\u5f71\u97ff\uff0c\u5c0e\u81f4\u8b80\u53d6\u548c\u5beb\u5165\u64cd\u4f5c\u8b8a\u6162\u3002<\/li>\n<li><strong>\u8cc7\u6e90\u6d6a\u8cbb\uff1a<\/strong>\u6bcf\u500b\u968a\u5217\u90fd\u6703\u4f54\u7528\u4e00\u5b9a\u7684\u5167\u5b58\uff0c\u904e\u591a\u7684\u968a\u5217\u6703\u5c0e\u81f4\u5167\u5b58\u8cc7\u6e90\u7684\u6d6a\u8cbb\u3002<\/li>\n<li><strong>\u7ba1\u7406\u56f0\u96e3\uff1a<\/strong>\u968a\u5217\u6578\u91cf\u904e\u591a\u6703\u4f7f\u5f97\u7ba1\u7406\u548c\u76e3\u63a7\u8b8a\u5f97\u66f4\u52a0\u56f0\u96e3\uff0c\u589e\u52a0\u4e86\u51fa\u932f\u7684\u98a8\u96aa\u3002<\/li>\n<\/ul>\n<h2 id=\"%e9%99%90%e5%88%b6-redis-%e9%9a%8a%e5%88%97%e6%95%b8%e9%87%8f%e7%9a%84%e6%96%b9%e6%b3%95-WXsKgxWKlj\">\u9650\u5236 Redis \u968a\u5217\u6578\u91cf\u7684\u65b9\u6cd5<\/h2>\n<p>\u4ee5\u4e0b\u662f\u5e7e\u7a2e\u6709\u6548\u9650\u5236 Redis \u968a\u5217\u6578\u91cf\u7684\u65b9\u6cd5\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8%e6%9c%80%e5%a4%a7%e9%95%b7%e5%ba%a6%e9%99%90%e5%88%b6-WXsKgxWKlj\">1. \u4f7f\u7528\u6700\u5927\u9577\u5ea6\u9650\u5236<\/h3>\n<p>Redis \u63d0\u4f9b\u4e86\u5217\u8868\u7684\u6700\u5927\u9577\u5ea6\u9650\u5236\u529f\u80fd\uff0c\u53ef\u4ee5\u901a\u904e <code>LTRIM<\/code> \u547d\u4ee4\u4f86\u5be6\u73fe\u3002\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u968a\u5217\u4e0d\u6703\u8d85\u904e\u6307\u5b9a\u7684\u9577\u5ea6\u3002\u4f8b\u5982\uff0c\u5047\u8a2d\u6211\u5011\u5e0c\u671b\u9650\u5236\u968a\u5217\u7684\u6700\u5927\u9577\u5ea6\u70ba 100\uff1a<\/p>\n<pre><code>LTRIM myqueue 0 99<\/code><\/pre>\n<p>\u9019\u689d\u547d\u4ee4\u6703\u5c07\u968a\u5217 <code>myqueue<\/code> \u7684\u9577\u5ea6\u9650\u5236\u5728 100 \u4ee5\u5167\uff0c\u8d85\u904e\u7684\u90e8\u5206\u5c07\u88ab\u522a\u9664\u3002<\/p>\n<h3 id=\"2-%e5%ae%9a%e6%9c%9f%e6%b8%85%e7%90%86%e9%81%8e%e6%9c%9f%e6%95%b8%e6%93%9a-WXsKgxWKlj\">2. \u5b9a\u671f\u6e05\u7406\u904e\u671f\u6578\u64da<\/h3>\n<p>\u53ef\u4ee5\u8a2d\u7f6e\u968a\u5217\u4e2d\u6d88\u606f\u7684\u904e\u671f\u6642\u9593\uff0c\u9019\u6a23\u53ef\u4ee5\u81ea\u52d5\u6e05\u7406\u4e0d\u518d\u9700\u8981\u7684\u6d88\u606f\u3002\u4f7f\u7528 <code>EXPIRE<\/code> \u547d\u4ee4\u53ef\u4ee5\u70ba\u6bcf\u500b\u6d88\u606f\u8a2d\u7f6e\u904e\u671f\u6642\u9593\uff1a<\/p>\n<pre><code>EXPIRE myqueue 3600<\/code><\/pre>\n<p>\u9019\u689d\u547d\u4ee4\u6703\u5c07 <code>myqueue<\/code> \u4e2d\u7684\u6d88\u606f\u8a2d\u7f6e\u70ba\u4e00\u5c0f\u6642\u5f8c\u904e\u671f\uff0c\u904e\u671f\u5f8c\u5c07\u81ea\u52d5\u522a\u9664\u3002<\/p>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8-lua-%e8%85%b3%e6%9c%ac%e9%80%b2%e8%a1%8c%e5%8e%9f%e5%ad%90%e6%93%8d%e4%bd%9c-WXsKgxWKlj\">3. \u4f7f\u7528 Lua \u8173\u672c\u9032\u884c\u539f\u5b50\u64cd\u4f5c<\/h3>\n<p>\u4f7f\u7528 Lua \u8173\u672c\u53ef\u4ee5\u5be6\u73fe\u66f4\u8907\u96dc\u7684\u908f\u8f2f\u4f86\u9650\u5236\u968a\u5217\u6578\u91cf\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u5728\u6dfb\u52a0\u65b0\u6d88\u606f\u4e4b\u524d\u6aa2\u67e5\u968a\u5217\u7684\u9577\u5ea6\uff0c\u4e26\u6839\u64da\u9700\u8981\u522a\u9664\u820a\u6d88\u606f\uff1a<\/p>\n<pre><code>\nlocal max_length = 100\nlocal queue_name = KEYS[1]\nlocal message = ARGV[1]\n\nif redis.call('LLEN', queue_name) &gt;= max_length then\n    redis.call('RPOP', queue_name)\nend\nredis.call('LPUSH', queue_name, message)\n<\/code><\/pre>\n<p>\u9019\u6bb5\u8173\u672c\u6703\u5728\u6dfb\u52a0\u65b0\u6d88\u606f\u4e4b\u524d\u6aa2\u67e5\u968a\u5217\u7684\u9577\u5ea6\uff0c\u4e26\u5728\u5fc5\u8981\u6642\u522a\u9664\u6700\u820a\u7684\u6d88\u606f\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-WXsKgxWKlj\">\u7d50\u8ad6<\/h2>\n<p>\u9650\u5236 Redis \u968a\u5217\u6578\u91cf\u662f\u78ba\u4fdd\u7cfb\u7d71\u6027\u80fd\u548c\u8cc7\u6e90\u6709\u6548\u5229\u7528\u7684\u91cd\u8981\u63aa\u65bd\u3002\u901a\u904e\u4f7f\u7528\u6700\u5927\u9577\u5ea6\u9650\u5236\u3001\u5b9a\u671f\u6e05\u7406\u904e\u671f\u6578\u64da\u4ee5\u53ca\u5229\u7528 Lua \u8173\u672c\u9032\u884c\u539f\u5b50\u64cd\u4f5c\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406 Redis \u968a\u5217\u3002\u9019\u4e9b\u65b9\u6cd5\u4e0d\u50c5\u80fd\u63d0\u9ad8\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\uff0c\u9084\u80fd\u6e1b\u5c11\u7ba1\u7406\u4e0a\u7684\u56f0\u96e3\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\u4f86\u904b\u884c\u60a8\u7684 Redis \u5be6\u4f8b\uff0cServer.HK \u63d0\u4f9b\u4e86\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u60a8\u8f15\u9b06\u7ba1\u7406\u548c\u64f4\u5c55\u60a8\u7684\u61c9\u7528\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u6709\u6548\u9650\u5236 Redis \u968a\u5217\u6578\u91cf\uff0c\u78ba\u4fdd\u7cfb\u7d71\u6027\u80fd\u7a69\u5b9a\uff0c\u907f\u514d\u8cc7\u6e90\u6d6a\u8cbb\uff0c\u63d0\u5347\u61c9\u7528\u6548\u7387\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-179490","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179490","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=179490"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179490\/revisions"}],"predecessor-version":[{"id":179491,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179490\/revisions\/179491"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=179490"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=179490"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=179490"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}