{"id":34445,"date":"2023-07-12T06:25:56","date_gmt":"2023-06-06T10:44:21","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8rails%e4%b8%ad%e7%9a%84memcache%e6%9d%a5%e7%bc%93%e5%ad%98%e5%af%b9%e8%b1%a1%e3%80%82\/"},"modified":"2024-04-30T13:11:01","modified_gmt":"2024-04-30T05:11:01","slug":"%e4%bd%bf%e7%94%a8rails%e4%b8%ad%e7%9a%84memcache%e6%9d%a5%e7%bc%93%e5%ad%98%e5%af%b9%e8%b1%a1%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8rails%e4%b8%ad%e7%9a%84memcache%e6%9d%a5%e7%bc%93%e5%ad%98%e5%af%b9%e8%b1%a1%e3%80%82\/","title":{"rendered":"\u4f7f\u7528Rails\u4e2d\u7684memcache\u6765\u7f13\u5b58\u5bf9\u8c61"},"content":{"rendered":"<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Page Cache<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Action Cache<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">Fragment Cache<\/ul>\n<p>\u5f53\u6211\u8bf4\u201c\u4e0d\u662f\u4ec0\u4e48\u6216\u8005\uff0c\u53ea\u662f\u60f3\u666e\u901a\u5730\u5b58\u50a8\u5bf9\u8c61\u201d\u65f6\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"n\">gem<\/span> <span class=\"s1\">'dalli'<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code>config.cache_store = :dalli_store\r\n<\/code><\/pre>\n<p>\u4f5c\u4e3a\u4ee5\u4e0b\u7684\u4f7f\u7528\u65b9\u5f0f\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"no\">Rails<\/span><span class=\"p\">.<\/span><span class=\"nf\">cache<\/span><span class=\"p\">.<\/span><span class=\"nf\">read<\/span><span class=\"p\">(<\/span><span class=\"s2\">\"key\"<\/span><span class=\"p\">)<\/span>   <span class=\"c1\"># =&gt; nil<\/span>\r\n<span class=\"no\">Rails<\/span><span class=\"p\">.<\/span><span class=\"nf\">cache<\/span><span class=\"p\">.<\/span><span class=\"nf\">write<\/span><span class=\"p\">(<\/span><span class=\"s2\">\"key\"<\/span><span class=\"p\">,<\/span> <span class=\"p\">[<\/span><span class=\"mi\">1<\/span><span class=\"p\">,<\/span><span class=\"mi\">2<\/span><span class=\"p\">,<\/span><span class=\"mi\">3<\/span><span class=\"p\">],<\/span> <span class=\"ss\">expires_in: <\/span><span class=\"mi\">1<\/span><span class=\"p\">.<\/span><span class=\"nf\">hour<\/span><span class=\"p\">)<\/span>  <span class=\"c1\"># \uff11\u6642\u9593\u3067\u6d88\u3048\u308b\u3002<\/span>\r\n<span class=\"no\">Rails<\/span><span class=\"p\">.<\/span><span class=\"nf\">cache<\/span><span class=\"p\">.<\/span><span class=\"nf\">read<\/span><span class=\"p\">(<\/span><span class=\"s2\">\"key\"<\/span><span class=\"p\">)<\/span>   <span class=\"c1\"># =&gt; [1, 2, 3]<\/span>\r\n<\/code><\/pre>\n<p>\u5c06\u952e\u503ckey\u8bbe\u4e3a\u7b26\u53f7\u4e5f\u662f\u53ef\u4ee5\u7684\u3002<\/p>\n<p>\u5f53\u6211\u4eec\u771f\u6b63\u4f7f\u7528\u7684\u65f6\u5019<\/p>\n<pre class=\"post-pre\"><code><span class=\"n\">hoge<\/span> <span class=\"o\">=<\/span> <span class=\"no\">Rails<\/span><span class=\"p\">.<\/span><span class=\"nf\">cache<\/span><span class=\"p\">.<\/span><span class=\"nf\">read<\/span><span class=\"p\">(<\/span><span class=\"s2\">\"hoge_key\"<\/span><span class=\"p\">)<\/span>\r\n<span class=\"k\">if<\/span> <span class=\"n\">hoge<\/span><span class=\"p\">.<\/span><span class=\"nf\">nil?<\/span>\r\n  <span class=\"n\">hoge<\/span> <span class=\"o\">=<\/span> <span class=\"n\">get_hoge_value<\/span><span class=\"p\">(<\/span><span class=\"n\">xxx<\/span><span class=\"p\">)<\/span>\r\n  <span class=\"no\">Rails<\/span><span class=\"p\">.<\/span><span class=\"nf\">cache<\/span><span class=\"p\">.<\/span><span class=\"nf\">write<\/span><span class=\"p\">(<\/span><span class=\"s2\">\"hoge_key\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">hoge<\/span><span class=\"p\">,<\/span> <span class=\"ss\">expires_in: <\/span><span class=\"mi\">1<\/span><span class=\"p\">.<\/span><span class=\"nf\">hour<\/span><span class=\"p\">)<\/span>\r\n<span class=\"k\">end<\/span>\r\n<\/code><\/pre>\n<p>\u5e94\u8be5\u4f1a\u53d8\u6210\u90a3\u79cd\u611f\u89c9\u3002<br \/>\n\u4f7f\u7528fetch\uff0c\u53ef\u4ee5\u8fd9\u6837\u5199\u6210\u4ee5\u4e0b\u5f62\u5f0f\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"n\">hoge<\/span> <span class=\"o\">=<\/span> <span class=\"no\">Rails<\/span><span class=\"p\">.<\/span><span class=\"nf\">cache<\/span><span class=\"p\">.<\/span><span class=\"nf\">fetch<\/span><span class=\"p\">(<\/span><span class=\"s2\">\"hoge_key\"<\/span><span class=\"p\">,<\/span> <span class=\"ss\">expires_in: <\/span><span class=\"mi\">1<\/span><span class=\"p\">.<\/span><span class=\"nf\">hour<\/span><span class=\"p\">)<\/span> <span class=\"k\">do<\/span>\r\n  <span class=\"n\">get_hoge_value<\/span><span class=\"p\">(<\/span><span class=\"n\">xxx<\/span><span class=\"p\">)<\/span>\r\n<span class=\"k\">end<\/span>\r\n<\/code><\/pre>\n<p>\u5e94\u8be5\u53ea\u4f7f\u7528\u8fd9\u4e2a\u57fa\u672c\u65b9\u6cd5\u3002<\/p>\n<p>\u5982\u679c\u5728write\u6216fetch\u7684\u9009\u9879\u4e2d\u4f20\u9012compress: true\uff0c\u5b83\u5c06\u538b\u7f29\u6570\u636e\u3002\u867d\u7136\u7f16\u7801\/\u89e3\u7801\u53ef\u80fd\u9700\u8981\u65f6\u95f4\uff0c\u4f46\u7531\u4e8e\u901a\u4fe1\u91cf\u51cf\u5c11\uff0c\u7ed3\u679c\u901f\u5ea6\u4f1a\u66f4\u5feb\u3002<br \/>\n\u4e8b\u5b9e\u4e0a\uff0c\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u4f3c\u4e4e\u8bbe\u7f6e\u4e8616K\u7684compress_threshold\uff0c\u6240\u4ee5\u53ea\u8981\u539f\u59cb\u6570\u636e\u6ca1\u6709\u88ab\u538b\u7f29\uff0c\u5c31\u5e94\u8be5\u4f7f\u7528\u5b83\u3002<\/p>\n<h2>\u8bf7\u4ee5\u6b64\u4e3a\u53c2\u8003<\/h2>\n<p>http:\/\/api.rubyonrails.org\/classes\/ActiveSupport\/Cache\/Store.html<br \/>\nhttp:\/\/guides.rubyonrails.org\/caching_with_rails.html<\/p>\n<p>\u4ee5\u4e0b\u662f\u7f51\u5740\u94fe\u63a5\uff1a<br \/>\n1. http:\/\/api.rubyonrails.org\/classes\/ActiveSupport\/Cache\/Store.html<br \/>\n2. http:\/\/guides.rubyonrails.org\/caching_with_rails.html<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Page Cache &nbsp; Action Cache &nbsp; Fragment Cache \u5f53\u6211 [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-34445","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u4f7f\u7528Rails\u4e2d\u7684memcache\u6765\u7f13\u5b58\u5bf9\u8c61 - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/\u4f7f\u7528rails\u4e2d\u7684memcache\u6765\u7f13\u5b58\u5bf9\u8c61\u3002\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u4f7f\u7528Rails\u4e2d\u7684memcache\u6765\u7f13\u5b58\u5bf9\u8c61\" \/>\n<meta property=\"og:description\" content=\"Page Cache &nbsp; 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