{"id":102952,"date":"2024-10-22T14:59:34","date_gmt":"2024-10-22T06:59:34","guid":{"rendered":"https:\/\/server.hk\/cnblog\/102952\/"},"modified":"2024-10-22T14:59:35","modified_gmt":"2024-10-22T06:59:35","slug":"redis-%e9%81%8e%e6%9c%9f%e8%99%95%e7%90%86%e5%af%a6%e7%8f%be%e5%a4%9a%e7%b7%9a%e7%a8%8b%e9%ab%98%e6%95%88%e8%99%95%e7%90%86","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/102952\/","title":{"rendered":"Redis \u904e\u671f\u8655\u7406\u5be6\u73fe\u591a\u7dda\u7a0b\u9ad8\u6548\u8655\u7406"},"content":{"rendered":"<h1 id=\"redis-%e9%81%8e%e6%9c%9f%e8%99%95%e7%90%86%e5%af%a6%e7%8f%be%e5%a4%9a%e7%b7%9a%e7%a8%8b%e9%ab%98%e6%95%88%e8%99%95%e7%90%86-xowwyoLefj\">Redis \u904e\u671f\u8655\u7406\u5be6\u73fe\u591a\u7dda\u7a0b\u9ad8\u6548\u8655\u7406<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u61c9\u7528\u7a0b\u5f0f\u958b\u767c\u4e2d\uff0cRedis \u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u6578\u64da\u6301\u4e45\u5316\u7b49\u5834\u666f\u3002\u5176\u652f\u6301\u7684\u904e\u671f\u9375\u529f\u80fd\u4f7f\u5f97\u958b\u767c\u8005\u80fd\u5920\u8f15\u9b06\u7ba1\u7406\u6578\u64da\u7684\u751f\u547d\u9031\u671f\u3002\u7136\u800c\uff0c\u96a8\u8457\u61c9\u7528\u9700\u6c42\u7684\u589e\u9577\uff0c\u5982\u4f55\u5728\u591a\u7dda\u7a0b\u74b0\u5883\u4e2d\u9ad8\u6548\u5730\u8655\u7406 Redis \u7684\u904e\u671f\u9375\u6210\u70ba\u4e86\u4e00\u500b\u91cd\u8981\u7684\u8ab2\u984c\u3002<\/p>\n<h2 id=\"redis-%e7%9a%84%e9%81%8e%e6%9c%9f%e9%8d%b5%e6%a9%9f%e5%88%b6-xowwyoLefj\">Redis \u7684\u904e\u671f\u9375\u6a5f\u5236<\/h2>\n<p>Redis \u63d0\u4f9b\u4e86\u5169\u7a2e\u4e3b\u8981\u7684\u904e\u671f\u9375\u8655\u7406\u6a5f\u5236\uff1a\u5b9a\u6642\u522a\u9664\u548c\u60f0\u6027\u522a\u9664\u3002\u5b9a\u6642\u522a\u9664\u662f\u6307 Redis \u6703\u5b9a\u671f\u6aa2\u67e5\u6240\u6709\u7684\u904e\u671f\u9375\u4e26\u5c07\u5176\u522a\u9664\uff0c\u800c\u60f0\u6027\u522a\u9664\u5247\u662f\u5728\u8a2a\u554f\u9375\u6642\u6aa2\u67e5\u5176\u662f\u5426\u904e\u671f\uff0c\u82e5\u904e\u671f\u5247\u522a\u9664\u3002<\/p>\n<ul>\n<li><strong>\u5b9a\u6642\u522a\u9664\uff1a<\/strong>Redis \u6bcf\u9694 100 \u6beb\u79d2\u6703\u96a8\u6a5f\u6aa2\u67e5\u4e00\u90e8\u5206\u7684\u9375\uff0c\u522a\u9664\u904e\u671f\u7684\u9375\u3002\u9019\u7a2e\u65b9\u5f0f\u7684\u512a\u9ede\u662f\u80fd\u5920\u5747\u52fb\u5730\u5206\u6563\u522a\u9664\u64cd\u4f5c\uff0c\u4f46\u5728\u9ad8\u8ca0\u8f09\u60c5\u6cc1\u4e0b\u53ef\u80fd\u6703\u5c0e\u81f4\u6027\u80fd\u4e0b\u964d\u3002<\/li>\n<li><strong>\u60f0\u6027\u522a\u9664\uff1a<\/strong>\u9019\u7a2e\u65b9\u5f0f\u5728\u8a2a\u554f\u9375\u6642\u9032\u884c\u6aa2\u67e5\uff0c\u53ea\u6709\u5728\u9375\u88ab\u8a2a\u554f\u6642\u624d\u6703\u522a\u9664\u904e\u671f\u7684\u9375\u3002\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u4e0d\u5fc5\u8981\u7684\u522a\u9664\u64cd\u4f5c\uff0c\u4f46\u53ef\u80fd\u6703\u5c0e\u81f4\u904e\u671f\u9375\u5728\u4e00\u6bb5\u6642\u9593\u5167\u4ecd\u7136\u5b58\u5728\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a4%9a%e7%b7%9a%e7%a8%8b%e7%92%b0%e5%a2%83%e4%b8%ad%e7%9a%84%e9%81%8e%e6%9c%9f%e9%8d%b5%e8%99%95%e7%90%86-xowwyoLefj\">\u591a\u7dda\u7a0b\u74b0\u5883\u4e2d\u7684\u904e\u671f\u9375\u8655\u7406<\/h2>\n<p>\u5728\u591a\u7dda\u7a0b\u74b0\u5883\u4e2d\uff0c\u904e\u671f\u9375\u7684\u8655\u7406\u9700\u8981\u8003\u616e\u5230\u7dda\u7a0b\u5b89\u5168\u6027\u548c\u6027\u80fd\u554f\u984c\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5be6\u73fe\u9ad8\u6548\u904e\u671f\u8655\u7406\u7684\u7b56\u7565\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8-lua-%e8%85%b3%e6%9c%ac-xowwyoLefj\">1. \u4f7f\u7528 Lua \u8173\u672c<\/h3>\n<p>Redis \u652f\u6301 Lua \u8173\u672c\uff0c\u53ef\u4ee5\u5c07\u591a\u500b\u64cd\u4f5c\u6253\u5305\u6210\u4e00\u500b\u539f\u5b50\u64cd\u4f5c\u3002\u9019\u6a23\u53ef\u4ee5\u907f\u514d\u5728\u591a\u7dda\u7a0b\u74b0\u5883\u4e2d\u51fa\u73fe\u7af6\u722d\u689d\u4ef6\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684 Lua \u8173\u672c\u793a\u4f8b\uff0c\u7528\u65bc\u6aa2\u67e5\u4e26\u522a\u9664\u904e\u671f\u9375\uff1a<\/p>\n<pre><code>\nlocal key = KEYS[1]\nlocal current_time = tonumber(ARGV[1])\nif redis.call('EXISTS', key) == 1 then\n    local expire_time = tonumber(redis.call('TTL', key))\n    if expire_time &lt;= 0 then\n        redis.call('DEL', key)\n        return 1\n    end\nend\nreturn 0\n<\/code><\/pre>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8-redis-%e7%9a%84-pub-sub-%e5%8a%9f%e8%83%bd-xowwyoLefj\">2. \u4f7f\u7528 Redis \u7684 Pub\/Sub \u529f\u80fd<\/h3>\n<p>\u5229\u7528 Redis \u7684 Pub\/Sub \u529f\u80fd\uff0c\u53ef\u4ee5\u5728\u9375\u904e\u671f\u6642\u767c\u9001\u901a\u77e5\uff0c\u8b93\u5176\u4ed6\u7dda\u7a0b\u9032\u884c\u76f8\u61c9\u7684\u8655\u7406\u3002\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u4e0d\u5fc5\u8981\u7684\u6aa2\u67e5\uff0c\u63d0\u9ad8\u6548\u7387\u3002<\/p>\n<h3 id=\"3-%e5%ae%9a%e6%9c%9f%e6%8e%83%e6%8f%8f%e9%81%8e%e6%9c%9f%e9%8d%b5-xowwyoLefj\">3. \u5b9a\u671f\u6383\u63cf\u904e\u671f\u9375<\/h3>\n<p>\u5728\u591a\u7dda\u7a0b\u74b0\u5883\u4e2d\uff0c\u53ef\u4ee5\u8a2d\u8a08\u4e00\u500b\u5c08\u9580\u7684\u7dda\u7a0b\u5b9a\u671f\u6383\u63cf\u904e\u671f\u9375\uff0c\u4e26\u5c07\u5176\u522a\u9664\u3002\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u4e3b\u7dda\u7a0b\u7684\u8ca0\u64d4\uff0c\u63d0\u5347\u6574\u9ad4\u6027\u80fd\u3002<\/p>\n<h2 id=\"%e6%80%a7%e8%83%bd%e8%80%83%e9%87%8f-xowwyoLefj\">\u6027\u80fd\u8003\u91cf<\/h2>\n<p>\u5728\u5be6\u73fe\u591a\u7dda\u7a0b\u9ad8\u6548\u8655\u7406\u904e\u671f\u9375\u6642\uff0c\u9700\u8981\u8003\u616e\u4ee5\u4e0b\u5e7e\u500b\u6027\u80fd\u56e0\u7d20\uff1a<\/p>\n<ul>\n<li><strong>\u9375\u7684\u6578\u91cf\uff1a<\/strong>\u96a8\u8457\u9375\u7684\u6578\u91cf\u589e\u52a0\uff0c\u904e\u671f\u9375\u7684\u8655\u7406\u6210\u672c\u4e5f\u6703\u589e\u52a0\uff0c\u56e0\u6b64\u9700\u8981\u5b9a\u671f\u6e05\u7406\u4e0d\u518d\u4f7f\u7528\u7684\u9375\u3002<\/li>\n<li><strong>\u7dda\u7a0b\u6578\u91cf\uff1a<\/strong>\u904e\u591a\u7684\u7dda\u7a0b\u53ef\u80fd\u6703\u5c0e\u81f4\u4e0a\u4e0b\u6587\u5207\u63db\u7684\u958b\u92b7\uff0c\u56e0\u6b64\u9700\u8981\u6839\u64da\u5be6\u969b\u60c5\u6cc1\u8abf\u6574\u7dda\u7a0b\u6578\u91cf\u3002<\/li>\n<li><strong>\u64cd\u4f5c\u7684\u539f\u5b50\u6027\uff1a<\/strong>\u78ba\u4fdd\u5728\u591a\u7dda\u7a0b\u74b0\u5883\u4e2d\u64cd\u4f5c\u7684\u539f\u5b50\u6027\uff0c\u4ee5\u907f\u514d\u6578\u64da\u4e0d\u4e00\u81f4\u7684\u554f\u984c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-xowwyoLefj\">\u7d50\u8ad6<\/h2>\n<p>Redis \u7684\u904e\u671f\u9375\u8655\u7406\u5728\u591a\u7dda\u7a0b\u74b0\u5883\u4e2d\u662f\u4e00\u500b\u91cd\u8981\u7684\u6027\u80fd\u8003\u91cf\u3002\u901a\u904e\u4f7f\u7528 Lua \u8173\u672c\u3001Pub\/Sub \u529f\u80fd\u4ee5\u53ca\u5b9a\u671f\u6383\u63cf\u904e\u671f\u9375\u7b49\u7b56\u7565\uff0c\u53ef\u4ee5\u6709\u6548\u63d0\u9ad8\u904e\u671f\u9375\u7684\u8655\u7406\u6548\u7387\u3002\u96a8\u8457\u61c9\u7528\u9700\u6c42\u7684\u589e\u9577\uff0c\u5c0d\u65bc Redis \u7684\u6df1\u5165\u7406\u89e3\u548c\u9ad8\u6548\u4f7f\u7528\u5c07\u6210\u70ba\u958b\u767c\u8005\u5fc5\u5099\u7684\u6280\u80fd\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u548c <a href=\"https:\/\/server.hk\">\u4e91\u670d\u52a1\u5668<\/a> \u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Redis\u904e\u671f\u8655\u7406\u7684\u591a\u7dda\u7a0b\u9ad8\u6548\u5be6\u73fe\uff0c\u63d0\u5347\u6027\u80fd\u8207\u8cc7\u6e90\u5229\u7528\uff0c\u512a\u5316\u6578\u64da\u7ba1\u7406\u7b56\u7565\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-102952","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/102952","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=102952"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/102952\/revisions"}],"predecessor-version":[{"id":102953,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/102952\/revisions\/102953"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=102952"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=102952"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=102952"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}