{"id":13778,"date":"2019-12-02T13:34:07","date_gmt":"2019-12-02T13:34:07","guid":{"rendered":"https:\/\/kiencang.net\/?p=13778"},"modified":"2022-01-29T16:33:11","modified_gmt":"2022-01-29T09:33:11","slug":"ram-cache","status":"publish","type":"post","link":"https:\/\/kiencang.net\/ram-cache\/","title":{"rendered":"C\u00e1c website c\u00f3 l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp kh\u00f4ng qu\u00e1 l\u1edbn n\u00ean d\u00f9ng RAM cache"},"content":{"rendered":"\n<p>C\u00f3 <a href=\"https:\/\/kiencang.net\/6-cap-do-cache-wordpress\/\" target=\"_blank\" rel=\"noreferrer noopener\">nhi\u1ec1u c\u00e1ch s\u1eed d\u1ee5ng cache trong nhi\u1ec7m v\u1ee5 t\u0103ng t\u1ed1c WordPress<\/a>, trong \u0111\u00f3 ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0 RAM cache, v\u00e0 Disk cache. RAM cache th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng trong c\u00e1c ki\u1ec3u cache nh\u01b0 Redis, Nginx FastCGI, Memcached, Varnish. Trong khi Disk cache ph\u1ed5 bi\u1ebfn trong c\u00e1c plugin cache nh\u01b0 l\u00e0 WP-Rocket, WP Super cache, Swift Performance, Cache Enabler, v\u00e2n v\u00e2n.<\/p>\n\n\n\n<p>X\u00e9t v\u1ec1 t\u1ed1c \u0111\u1ed9 RAM cache nhanh h\u01a1n h\u1eb3n Disk cache, ngay c\u1ea3 khi Disk cache l\u00e0 lo\u1ea1i \u1ed5 c\u1ee9ng SSD v\u1ed1n nhanh h\u01a1n HDD.<\/p>\n\n\n\n<p>Tuy nhi\u00ean v\u1ea5n \u0111\u1ec1 l\u00e0 ki\u1ec3u RAM cache s\u1ebd \u0111\u00f2i h\u1ecfi server c\u00f3 RAM m\u1ea1nh h\u01a1n Disk cache.<\/p>\n\n\n\n<p>N\u1ebfu website c\u00f3 l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp r\u1ea5t l\u1edbn RAM cache c\u00f3 th\u1ec3 khi\u1ebfn chi ph\u00ed cho v\u1ea5n \u0111\u1ec1 hosting t\u0103ng nhanh, \u0111\u1eb7c bi\u1ec7t l\u00e0 khi so s\u00e1nh khi d\u00f9ng Disk cache.<\/p>\n\n\n\n<p>Trong tr\u01b0\u1eddng h\u1ee3p m\u1ed9t blog th\u00f4ng th\u01b0\u1eddng, RAM cache nh\u01b0 trong tr\u01b0\u1eddng h\u1ee3p c\u1ee7a t\u00f4i v\u1edbi website 50 ng\u00e0n view\/th\u00e1ng c\u1ea7n t\u1ed1i thi\u1ec3u RAM 1GB v\u1edbi VPS Vultr HF. Tuy nhi\u00ean \u0111\u1ec3 website ho\u1ea1t \u0111\u1ed9ng tr\u01a1n tru trong ph\u1ea7n l\u1edbn tr\u01b0\u1eddng h\u1ee3p (th\u00ed d\u1ee5 khi c\u00f3 l\u01b0u l\u01b0\u1ee3ng t\u0103ng \u0111\u1ed9t bi\u1ebfn, ho\u1eb7c m\u1ed9t t\u00e1c v\u1ee5 n\u00e0o \u0111\u00f3 y\u00eau c\u1ea7u RAM nh\u01b0 backup) th\u00ec vi\u1ec7c t\u0103ng g\u1ea5p \u0111\u00f4i RAM l\u00e0 c\u1ea7n thi\u1ebft.<\/p>\n\n\n\n<div class=\"wp-block-image wp-image-13780 size-full\"><figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"1366\" height=\"768\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2019\/12\/RAM-cache.png\" alt=\"RAM cache\" class=\"wp-image-13780\" srcset=\"https:\/\/kiencang.net\/wp-content\/uploads\/2019\/12\/RAM-cache.png 1366w, https:\/\/kiencang.net\/wp-content\/uploads\/2019\/12\/RAM-cache-300x169.png 300w, https:\/\/kiencang.net\/wp-content\/uploads\/2019\/12\/RAM-cache-1024x576.png 1024w, https:\/\/kiencang.net\/wp-content\/uploads\/2019\/12\/RAM-cache-768x432.png 768w, https:\/\/kiencang.net\/wp-content\/uploads\/2019\/12\/RAM-cache-1170x658.png 1170w, https:\/\/kiencang.net\/wp-content\/uploads\/2019\/12\/RAM-cache-585x329.png 585w\" sizes=\"(max-width: 1366px) 100vw, 1366px\" \/><figcaption>\u0110\u1ec3 tr\u00e1nh hi\u1ec7n t\u01b0\u1ee3ng qu\u00e1 t\u1ea3i khi d\u00f9ng RAM cache, t\u00f4i ph\u1ea3i t\u0103ng RAM cho hosting hi\u1ec7n t\u1ea1i<\/figcaption><\/figure><\/div>\n\n\n\n<p>Nh\u01b0 v\u1eady v\u1edbi m\u1ed9t website 500 ng\u00e0n view tr\u00ean th\u00e1ng, ho\u1ea1t \u0111\u1ed9ng m\u1ec1m m\u1ea1i b\u1eb1ng ki\u1ec3u RAM cache c\u00f3 th\u1ec3 c\u1ea7n \u0111\u1ebfn chi ph\u00ed 60 USD\/th\u00e1ng. N\u1ebfu l\u00e0 trang th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed, chi ph\u00ed n\u00e0y kh\u00f4ng th\u00e0nh v\u1ea5n \u0111\u1ec1, nh\u01b0ng n\u1ebfu l\u00e0 trang blog thu\u1ea7n t\u00fay ki\u1ebfm doanh thu qua qu\u1ea3ng c\u00e1o th\u00ec chi ph\u00ed n\u00e0y c\u00f3 th\u1ec3 l\u00e0 qu\u00e1 l\u1edbn. Khi \u0111\u00f3 ki\u1ec3u Disk cache s\u1ebd th\u00edch h\u1ee3p h\u01a1n, t\u1ed1c \u0111\u1ed9 c\u00f3 gi\u1ea3m m\u1ed9t ch\u00fat nh\u01b0ng chi ph\u00ed s\u1ebd gi\u1ea3m kh\u00e1 nhi\u1ec1u. Trong v\u00ed d\u1ee5 tr\u00ean VULTR HF 24 USD c\u00f3 th\u1ec3 g\u00e1nh t\u1ed1t m\u1ed9t blog 500 ng\u00e0n view v\u1edbi ki\u1ec3u Disk cache.<\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"t\u1eadn-d\u1ee5ng-ram-cache-tren-m\u1ed9t-s\u1ed1-hosting-ch\u1ea5t-l\u01b0\u1ee3ng-t\u1ed1t\">T\u1eadn d\u1ee5ng RAM cache tr\u00ean m\u1ed9t s\u1ed1 hosting ch\u1ea5t l\u01b0\u1ee3ng t\u1ed1t<\/h2>\n\n\n\n<p>M\u1ed9t s\u1ed1 c\u00f4ng ty hosting ch\u1ee7 \u0111\u1ed9ng t\u1ea1o RAM cache cho c\u00e1c d\u1ecbch v\u1ee5 c\u1ee7a h\u1ecd. Ch\u1eb3ng h\u1ea1n DreamPress c\u1ee7a Dreamhost \u0111ang s\u1eed d\u1ee5ng Varnish, trong khi SiteGround s\u1eed d\u1ee5ng Memcached, c\u00f2n GridPane c\u00f3 c\u1ea3 Redis cache l\u1eabn Nginx FastCGI.<\/p>\n\n\n\n<p>Khi \u0111\u1ea5y vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c ki\u1ec3u cache ph\u00eda m\u00e1y ch\u1ee7 gi\u00fap b\u1ea1n r\u1ea5t nhi\u1ec1u, \u0111\u1eb7c bi\u1ec7t \u1edf kh\u00eda c\u1ea1nh b\u1ea1n kh\u00f4ng ph\u1ea3i mua t\u00e1c plugin ch\u1ea5t l\u01b0\u1ee3ng cao \u0111\u1ec3 th\u1ef1c hi\u1ec7n ki\u1ec3u Disk cache c\u00f3 th\u1ec3 l\u00ean \u0111\u1ebfn 50$\/n\u0103m, v\u00e0 200$\/n\u0103m n\u1ebfu b\u1ea1n c\u00f3 nhi\u1ec1u website.<\/p>\n\n\n\n<p>V\u1eady th\u00ec t\u1ea1i sao b\u1ea1n kh\u00f4ng t\u1eadn d\u1ee5ng RAM cache n\u1ebfu website c\u1ee7a b\u1ea1n kh\u00f4ng qu\u00e1 l\u1edbn, l\u00fac n\u00e0y b\u1ea1n v\u1eeba c\u00f3 t\u1ed1c \u0111\u1ed9 cao h\u01a1n, v\u1eeba \u0111\u1ee1 ph\u1ea3i lo mua plugin cache x\u1ecbn s\u00f2.<\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"m\u1eb9o-tranh-qua-t\u1ea3i-khi-s\u1eed-d\u1ee5ng-ram-cache\">M\u1eb9o tr\u00e1nh qu\u00e1 t\u1ea3i khi s\u1eed d\u1ee5ng RAM cache<\/h2>\n\n\n\n<p>\u0110\u1ec3 tr\u00e1nh hao t\u1ed5n t\u00e0i nguy\u00ean qu\u00e1 m\u1ee9c khi s\u1eed d\u1ee5ng RAM cache b\u1ea1n c\u00f3 th\u1ec3 c\u00e2n nh\u1eafc s\u1eed d\u1ee5ng c\u00e1c d\u1ecbch v\u1ee5 sau:<\/p>\n\n\n\n<ul><li><a href=\"https:\/\/kiencang.net\/plugin-flying-images\/\" target=\"_blank\" rel=\"noreferrer noopener\">Lazy load \u1ea3nh<\/a> \u0111\u1ec3 gi\u1ea3m thi\u1ec3u s\u1ed1 k\u1ebft n\u1ed1i \u0111\u1ebfn m\u00e1y ch\u1ee7 g\u1ed1c<\/li><li>S\u1eed d\u1ee5ng CDN \u0111\u1ec3 gi\u1ea3m thi\u1ec3u c\u00e1c n\u1ed9i dung t\u0129nh k\u1ebft n\u1ed1i \u0111\u1ebfn m\u00e1y ch\u1ee7<\/li><li>\u00c1p d\u1ee5ng c\u1ea3 hai s\u1ebd cho hi\u1ec7u qu\u1ea3 t\u1ed1t nh\u1ea5t<\/li><\/ul>\n","protected":false},"excerpt":{"rendered":"<p>C\u00f3 nhi\u1ec1u c\u00e1ch s\u1eed d\u1ee5ng cache trong nhi\u1ec7m v\u1ee5 t\u0103ng t\u1ed1c WordPress, trong \u0111\u00f3 ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0 RAM cache, v\u00e0 Disk cache. RAM cache th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng trong c\u00e1c ki\u1ec3u cache nh\u01b0 Redis, Nginx FastCGI, Memcached, Varnish. Trong khi Disk cache ph\u1ed5 bi\u1ebfn trong c\u00e1c plugin cache nh\u01b0 l\u00e0 WP-Rocket, WP Super cache, Swift &hellip;<\/p>\n","protected":false},"author":1,"featured_media":13781,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[97],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>C\u00e1c website c\u00f3 l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp kh\u00f4ng qu\u00e1 l\u1edbn n\u00ean d\u00f9ng RAM cache &#8226; Ki\u1ebfn c\u00e0ng<\/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:\/\/kiencang.net\/ram-cache\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"C\u00e1c website c\u00f3 l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp kh\u00f4ng qu\u00e1 l\u1edbn n\u00ean d\u00f9ng RAM cache &#8226; Ki\u1ebfn c\u00e0ng\" \/>\n<meta property=\"og:description\" content=\"C\u00f3 nhi\u1ec1u c\u00e1ch s\u1eed d\u1ee5ng cache trong nhi\u1ec7m v\u1ee5 t\u0103ng t\u1ed1c WordPress, trong \u0111\u00f3 ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0 RAM cache, v\u00e0 Disk cache. RAM cache th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng trong c\u00e1c ki\u1ec3u cache nh\u01b0 Redis, Nginx FastCGI, Memcached, Varnish. Trong khi Disk cache ph\u1ed5 bi\u1ebfn trong c\u00e1c plugin cache nh\u01b0 l\u00e0 WP-Rocket, WP Super cache, Swift &hellip;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/kiencang.net\/ram-cache\/\" \/>\n<meta property=\"og:site_name\" content=\"Ki\u1ebfn c\u00e0ng\" \/>\n<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/anhducnguyen87\/\" \/>\n<meta property=\"article:published_time\" content=\"2019-12-02T13:34:07+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2022-01-29T09:33:11+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/kiencang.net\/wp-content\/uploads\/2019\/12\/su-dung-RAM-cache.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"640\" \/>\n\t<meta property=\"og:image:height\" content=\"359\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Nguy\u1ec5n \u0110\u1ee9c Anh\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u0110\u01b0\u1ee3c vi\u1ebft b\u1edfi\" \/>\n\t<meta name=\"twitter:data1\" content=\"Nguy\u1ec5n \u0110\u1ee9c Anh\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 ph\u00fat\" \/>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"C\u00e1c website c\u00f3 l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp kh\u00f4ng qu\u00e1 l\u1edbn n\u00ean d\u00f9ng RAM cache &#8226; Ki\u1ebfn c\u00e0ng","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/kiencang.net\/ram-cache\/","og_locale":"vi_VN","og_type":"article","og_title":"C\u00e1c website c\u00f3 l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp kh\u00f4ng qu\u00e1 l\u1edbn n\u00ean d\u00f9ng RAM cache &#8226; Ki\u1ebfn c\u00e0ng","og_description":"C\u00f3 nhi\u1ec1u c\u00e1ch s\u1eed d\u1ee5ng cache trong nhi\u1ec7m v\u1ee5 t\u0103ng t\u1ed1c WordPress, trong \u0111\u00f3 ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0 RAM cache, v\u00e0 Disk cache. RAM cache th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng trong c\u00e1c ki\u1ec3u cache nh\u01b0 Redis, Nginx FastCGI, Memcached, Varnish. 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T\u00f4i th\u00edch Content, SEO, Ads, T\u0103ng t\u1ed1c website v\u00e0 Th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed. B\u00ean c\u1ea1nh b\u00e0i t\u1ef1 vi\u1ebft, t\u00f4i c\u0169ng d\u1ecbch nhi\u1ec1u n\u1ed9i dung th\u00fa v\u1ecb c\u1ee7a c\u00e1c t\u00e1c gi\u1ea3 kh\u00e1c nhau. FB c\u00e1 nh\u00e2n: facebook.com\/anhducnguyen87. Email li\u00ean h\u1ec7: guiemailchotoi@gmail.com","sameAs":["https:\/\/www.facebook.com\/anhducnguyen87\/"],"url":"https:\/\/kiencang.net\/author\/admin\/"}]}},"_links":{"self":[{"href":"https:\/\/kiencang.net\/wp-json\/wp\/v2\/posts\/13778"}],"collection":[{"href":"https:\/\/kiencang.net\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kiencang.net\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kiencang.net\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/kiencang.net\/wp-json\/wp\/v2\/comments?post=13778"}],"version-history":[{"count":0,"href":"https:\/\/kiencang.net\/wp-json\/wp\/v2\/posts\/13778\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/kiencang.net\/wp-json\/wp\/v2\/media\/13781"}],"wp:attachment":[{"href":"https:\/\/kiencang.net\/wp-json\/wp\/v2\/media?parent=13778"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kiencang.net\/wp-json\/wp\/v2\/categories?post=13778"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kiencang.net\/wp-json\/wp\/v2\/tags?post=13778"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}