{"id":98342,"date":"2024-10-21T01:48:17","date_gmt":"2024-10-20T17:48:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/98342\/"},"modified":"2024-10-21T01:48:18","modified_gmt":"2024-10-20T17:48:18","slug":"redis-%e8%a7%b8%e7%99%bc%e9%96%be%e5%80%bc%e5%a0%b1%e8%ad%a6%e7%9e%ac%e6%81%af%e8%90%ac%e8%ae%8a%e7%9a%84%e9%a2%a8%e9%9a%aa%e6%8e%a7%e5%88%b6","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/98342\/","title":{"rendered":"Redis \u89f8\u767c\u95be\u503c\u5831\u8b66\u77ac\u606f\u842c\u8b8a\u7684\u98a8\u96aa\u63a7\u5236"},"content":{"rendered":"<h1 id=\"redis-%e8%a7%b8%e7%99%bc%e9%96%be%e5%80%bc%e5%a0%b1%e8%ad%a6%e7%9e%ac%e6%81%af%e8%90%ac%e8%ae%8a%e7%9a%84%e9%a2%a8%e9%9a%aa%e6%8e%a7%e5%88%b6-yaUdCIsDar\">Redis \u89f8\u767c\u95be\u503c\u5831\u8b66\u77ac\u606f\u842c\u8b8a\u7684\u98a8\u96aa\u63a7\u5236<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u5be6\u6642\u6578\u64da\u8655\u7406\u548c\u76e3\u63a7\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002Redis \u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\u4e2d\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u5feb\u901f\u97ff\u61c9\u7684\u61c9\u7528\u7a0b\u5e8f\u4e2d\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5229\u7528 Redis \u4f86\u5be6\u73fe\u89f8\u767c\u95be\u503c\u5831\u8b66\uff0c\u4e26\u6709\u6548\u63a7\u5236\u77ac\u606f\u842c\u8b8a\u7684\u98a8\u96aa\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-redis%ef%bc%9f-yaUdCIsDar\">\u4ec0\u9ebc\u662f Redis\uff1f<\/h2>\n<p>Redis\uff08Remote Dictionary Server\uff09\u662f\u4e00\u500b\u958b\u6e90\u7684\u9ad8\u6027\u80fd\u9375\u503c\u6578\u64da\u5eab\uff0c\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5982\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u7b49\u3002\u7531\u65bc\u5176\u9ad8\u6548\u7684\u6027\u80fd\u548c\u9748\u6d3b\u7684\u6578\u64da\u7d50\u69cb\uff0cRedis \u88ab\u5ee3\u6cdb\u61c9\u7528\u65bc\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u5be6\u6642\u6578\u64da\u5206\u6790\u7b49\u5834\u666f\u3002<\/p>\n<h2 id=\"%e8%a7%b8%e7%99%bc%e9%96%be%e5%80%bc%e5%a0%b1%e8%ad%a6%e7%9a%84%e5%bf%85%e8%a6%81%e6%80%a7-yaUdCIsDar\">\u89f8\u767c\u95be\u503c\u5831\u8b66\u7684\u5fc5\u8981\u6027<\/h2>\n<p>\u5728\u8a31\u591a\u61c9\u7528\u4e2d\uff0c\u7279\u5b9a\u7684\u6578\u64da\u6307\u6a19\u53ef\u80fd\u6703\u8d85\u904e\u9810\u8a2d\u7684\u95be\u503c\uff0c\u9019\u53ef\u80fd\u6703\u5c0e\u81f4\u7cfb\u7d71\u6027\u80fd\u4e0b\u964d\u6216\u5b89\u5168\u98a8\u96aa\u589e\u52a0\u3002\u56e0\u6b64\uff0c\u5be6\u65bd\u89f8\u767c\u95be\u503c\u5831\u8b66\u7cfb\u7d71\u662f\u975e\u5e38\u5fc5\u8981\u7684\u3002\u9019\u6a23\u7684\u7cfb\u7d71\u53ef\u4ee5\u53ca\u6642\u767c\u73fe\u7570\u5e38\u60c5\u6cc1\uff0c\u4e26\u63a1\u53d6\u76f8\u61c9\u7684\u63aa\u65bd\u4f86\u964d\u4f4e\u98a8\u96aa\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8-redis-%e5%af%a6%e7%8f%be%e8%a7%b8%e7%99%bc%e9%96%be%e5%80%bc%e5%a0%b1%e8%ad%a6-yaUdCIsDar\">\u5982\u4f55\u4f7f\u7528 Redis \u5be6\u73fe\u89f8\u767c\u95be\u503c\u5831\u8b66<\/h2>\n<p>\u4f7f\u7528 Redis \u4f86\u5be6\u73fe\u89f8\u767c\u95be\u503c\u5831\u8b66\u7684\u57fa\u672c\u601d\u8def\u662f\u5c07\u9700\u8981\u76e3\u63a7\u7684\u6578\u64da\u5b58\u5132\u5728 Redis \u4e2d\uff0c\u4e26\u5b9a\u671f\u6aa2\u67e5\u9019\u4e9b\u6578\u64da\u662f\u5426\u8d85\u904e\u9810\u8a2d\u7684\u95be\u503c\u3002\u4ee5\u4e0b\u662f\u5be6\u73fe\u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e6%95%b8%e6%93%9a%e5%ad%98%e5%84%b2-yaUdCIsDar\">1. \u6578\u64da\u5b58\u5132<\/h3>\n<p>\u9996\u5148\uff0c\u5c07\u9700\u8981\u76e3\u63a7\u7684\u6578\u64da\u5b58\u5132\u5728 Redis \u4e2d\u3002\u53ef\u4ee5\u4f7f\u7528 Redis \u7684\u5b57\u7b26\u4e32\u6216\u54c8\u5e0c\u6578\u64da\u7d50\u69cb\u4f86\u5b58\u5132\u9019\u4e9b\u6578\u64da\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>SET temperature 75<\/code><\/pre>\n<h3 id=\"2-%e8%a8%ad%e5%ae%9a%e9%96%be%e5%80%bc-yaUdCIsDar\">2. \u8a2d\u5b9a\u95be\u503c<\/h3>\n<p>\u63a5\u4e0b\u4f86\uff0c\u8a2d\u5b9a\u4e00\u500b\u95be\u503c\u4f86\u76e3\u63a7\u6578\u64da\u3002\u4f8b\u5982\uff0c\u5047\u8a2d\u6211\u5011\u5e0c\u671b\u76e3\u63a7\u6eab\u5ea6\uff0c\u4e26\u8a2d\u5b9a\u95be\u503c\u70ba 80\uff1a<\/p>\n<pre><code>SET temperature_threshold 80<\/code><\/pre>\n<h3 id=\"3-%e5%ae%9a%e6%9c%9f%e6%aa%a2%e6%9f%a5-yaUdCIsDar\">3. \u5b9a\u671f\u6aa2\u67e5<\/h3>\n<p>\u4f7f\u7528\u5b9a\u6642\u4efb\u52d9\u4f86\u5b9a\u671f\u6aa2\u67e5 Redis \u4e2d\u7684\u6578\u64da\u662f\u5426\u8d85\u904e\u95be\u503c\u3002\u53ef\u4ee5\u4f7f\u7528 Redis \u7684 Lua \u8173\u672c\u4f86\u5be6\u73fe\u9019\u4e00\u529f\u80fd\uff1a<\/p>\n<pre><code>\nlocal current_temp = tonumber(redis.call('GET', 'temperature'))\nlocal threshold = tonumber(redis.call('GET', 'temperature_threshold'))\n\nif current_temp &gt; threshold then\n    return 'ALERT: Temperature exceeded threshold!'\nelse\n    return 'Temperature is normal.'\nend\n<\/code><\/pre>\n<h3 id=\"4-%e7%99%bc%e9%80%81%e5%a0%b1%e8%ad%a6-yaUdCIsDar\">4. \u767c\u9001\u5831\u8b66<\/h3>\n<p>\u7576\u6aa2\u67e5\u5230\u6578\u64da\u8d85\u904e\u95be\u503c\u6642\uff0c\u53ef\u4ee5\u901a\u904e\u96fb\u5b50\u90f5\u4ef6\u3001\u77ed\u4fe1\u6216\u5176\u4ed6\u65b9\u5f0f\u767c\u9001\u5831\u8b66\u901a\u77e5\u3002\u9019\u53ef\u4ee5\u901a\u904e\u96c6\u6210\u7b2c\u4e09\u65b9\u670d\u52d9\u4f86\u5be6\u73fe\u3002<\/p>\n<h2 id=\"%e9%a2%a8%e9%9a%aa%e6%8e%a7%e5%88%b6%e7%9a%84%e6%9c%80%e4%bd%b3%e5%af%a6%e8%b8%90-yaUdCIsDar\">\u98a8\u96aa\u63a7\u5236\u7684\u6700\u4f73\u5be6\u8e10<\/h2>\n<ul>\n<li><strong>\u8a2d\u7f6e\u5408\u7406\u7684\u95be\u503c\uff1a<\/strong>\u95be\u503c\u7684\u8a2d\u5b9a\u61c9\u6839\u64da\u5be6\u969b\u696d\u52d9\u9700\u6c42\u548c\u6b77\u53f2\u6578\u64da\u9032\u884c\u8abf\u6574\u3002<\/li>\n<li><strong>\u5b9a\u671f\u6aa2\u67e5\u548c\u8abf\u6574\uff1a<\/strong>\u96a8\u8457\u696d\u52d9\u7684\u8b8a\u5316\uff0c\u61c9\u5b9a\u671f\u6aa2\u67e5\u548c\u8abf\u6574\u95be\u503c\u548c\u5831\u8b66\u7b56\u7565\u3002<\/li>\n<li><strong>\u591a\u5c64\u6b21\u5831\u8b66\uff1a<\/strong>\u6839\u64da\u4e0d\u540c\u7684\u98a8\u96aa\u7d1a\u5225\u8a2d\u7f6e\u591a\u5c64\u6b21\u7684\u5831\u8b66\u6a5f\u5236\uff0c\u4ee5\u4fbf\u66f4\u597d\u5730\u61c9\u5c0d\u5404\u7a2e\u60c5\u6cc1\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-yaUdCIsDar\">\u7d50\u8ad6<\/h2>\n<p>\u5229\u7528 Redis \u5be6\u73fe\u89f8\u767c\u95be\u503c\u5831\u8b66\u662f\u4e00\u7a2e\u6709\u6548\u7684\u98a8\u96aa\u63a7\u5236\u624b\u6bb5\u3002\u901a\u904e\u5408\u7406\u7684\u6578\u64da\u5b58\u5132\u3001\u95be\u503c\u8a2d\u5b9a\u548c\u5b9a\u671f\u6aa2\u67e5\uff0c\u53ef\u4ee5\u53ca\u6642\u767c\u73fe\u4e26\u61c9\u5c0d\u6f5b\u5728\u7684\u98a8\u96aa\u3002\u96a8\u8457\u6280\u8853\u7684\u767c\u5c55\uff0c\u9019\u7a2e\u65b9\u6cd5\u5c07\u5728\u66f4\u591a\u7684\u61c9\u7528\u5834\u666f\u4e2d\u767c\u63ee\u91cd\u8981\u4f5c\u7528\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u95dc\u65bc <a href=\"https:\/\/server.hk\">VPS<\/a> \u548c\u5176\u4ed6\u670d\u52d9\u7684\u4fe1\u606f\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Redis \u89f8\u767c\u95be\u503c\u5831\u8b66\uff0c\u5be6\u73fe\u77ac\u606f\u842c\u8b8a\u7684\u98a8\u96aa\u63a7\u5236\uff0c\u52a9\u60a8\u5373\u6642\u76e3\u6e2c\u8207\u61c9\u5c0d\u6f5b\u5728\u98a8\u96aa\uff0c\u4fdd\u969c\u696d\u52d9\u5b89\u5168\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-98342","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/98342","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=98342"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/98342\/revisions"}],"predecessor-version":[{"id":98343,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/98342\/revisions\/98343"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=98342"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=98342"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=98342"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}