{"id":6485,"date":"2014-09-05T05:24:27","date_gmt":"2014-09-05T05:24:27","guid":{"rendered":"https:\/\/dev.railscarma.com\/how-to-install-memcached-on-a-vps-server-or-a-dedicated-server\/"},"modified":"2021-06-07T07:25:52","modified_gmt":"2021-06-07T07:25:52","slug":"hur-man-installerar-memcached-pa-en-vps-server-eller-en-dedikerad-server","status":"publish","type":"post","link":"https:\/\/www.railscarma.com\/sv\/blogg\/tekniska-artiklar\/hur-man-installerar-memcached-pa-en-vps-server-eller-en-dedikerad-server\/","title":{"rendered":"Hur man installerar Memcached p\u00e5 en VPS-server eller en dedikerad server?"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"6485\" class=\"elementor elementor-6485\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-7aa66ce4 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7aa66ce4\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-70509626\" data-id=\"70509626\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-31da981 elementor-widget elementor-widget-text-editor\" data-id=\"31da981\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p style=\"text-align: justify;\">Memcached \u00e4r en Unix-demon skriven i C som exponerar en specificerad m\u00e4ngd minnesutrymme som en hashtabell p\u00e5 n\u00e4tverket med hj\u00e4lp av en dedikerad text eller bin\u00e4rt protokoll. Protokollet till\u00e5ter en begr\u00e4nsad upps\u00e4ttning operationer som set, get och delete, och \u00e4ven n\u00e5gra mer komplexa atomoperationer som cas (j\u00e4mf\u00f6r och s\u00e4tt), incr, decr och append.<\/p>\n<p style=\"text-align: justify;\">Processen i sig \u00e4r absolut omedveten om n\u00e5gon distributions- och partitioneringslogik, vilket g\u00f6r den extremt enkel, snabb och robust. All komplexitet skjuts faktiskt till klienten som \u00e4r ansvarig f\u00f6r att dirigera f\u00f6rfr\u00e5gningar till r\u00e4tt Memcached-instans. En mycket vanlig anv\u00e4ndning av Memcached \u00e4r att partitionera data p\u00e5 varje instans, utan replikering.<\/p>\n<p style=\"text-align: justify;\">Denna strategi \u00e4r giltig n\u00e4r m\u00e4ngden instans N \u00e4r stor eftersom en f\u00f6rlust av en instans kommer att inneb\u00e4ra f\u00f6rlust av 1\/N data, vilket \u00e4r acceptabelt i de flesta fall f\u00f6r cachning. I situationer d\u00e4r s\u00e5dan dataf\u00f6rlust inte \u00e4r acceptabel \u00e4r replikering m\u00f6jlig eftersom klienten helt enkelt kan skicka sina f\u00f6rfr\u00e5gningar till 2 Memcached-instanser parallellt.<\/p>\n<p style=\"text-align: justify;\">I skrivande stund anv\u00e4nds det flitigt i produktion i stora organisationer. Klienter \u00e4r tillg\u00e4ngliga f\u00f6r alla st\u00f6rre spr\u00e5k, inklusive C\/C++, Java, Python, Ruby och C#.<\/p>\n<p style=\"text-align: justify;\">F\u00f6r att installera memcached p\u00e5 en Virtual Private Server (VPS) eller en dedikerad server, f\u00f6lj nedanst\u00e5ende steg-<\/p>\n\n<blockquote>\n<p style=\"text-align: justify;\">mkdir -p \/root\/source<\/p>\n<p style=\"text-align: justify;\">cd \/root\/k\u00e4lla<\/p>\n<p style=\"text-align: justify;\">wget http:\/\/packages.sw.be\/rpmforge-release\/rpmforge-release-0.3.6-1.el5.rf.i\u2026<\/p>\n<p style=\"text-align: justify;\">rpm -ivh rpmforge-release-0.3.6-1.el5.rf.i386.rpm<\/p>\n<p style=\"text-align: justify;\">yum -y install libevent* (kr\u00e4vs f\u00f6r memcachad bin\u00e4r)<\/p>\n<p style=\"text-align: justify;\">yum -y installera memcached* (memcachad bin\u00e4r kr\u00e4vs f\u00f6r libmemcached)<\/p>\n<p style=\"text-align: justify;\">\u00e4delstensk\u00e4lla -a http:\/\/gems.github.com<\/p>\n<\/blockquote>\n<p style=\"text-align: justify;\">* kombinationen av libmemcached-0.25.14 och memcached-0.13 gem har visat sig vara en fungerande stabil kombination, s\u00e5 vi kommer att h\u00e5lla fast vid den h\u00e4r kombinationen tills vidare.<\/p>\n\n<blockquote>\n<p style=\"text-align: justify;\">wget http:\/\/blog.evanweaver.com\/files\/libmemcached-0.25.14.tar.gz<\/p>\n<p style=\"text-align: justify;\">tar -xzvf libmemcached-0.25.14.tar.gz<\/p>\n<p style=\"text-align: justify;\">cd libmemcached-0.25.14<\/p>\n<p style=\"text-align: justify;\">.\/konfigurera &amp;&amp; g\u00f6r &amp;&amp; g\u00f6r installera<\/p>\n<p style=\"text-align: justify;\">cd \/root\/k\u00e4lla<\/p>\n<p style=\"text-align: justify;\">wget http:\/\/blog.evanweaver.com\/files\/memcached-0.13.gem<\/p>\n<p style=\"text-align: justify;\">gem installera memcached-0.13.gem<\/p>\n<p style=\"text-align: justify;\">gem installera memcache-client \u2013version=1.6.3<\/p>\n<\/blockquote>\n<p style=\"text-align: justify;\"><strong><a href=\"https:\/\/www.railscarma.com\/sv\/\" target=\"_blank\" rel=\"noopener noreferrer\">RailsCarma<\/a><\/strong> har arbetat p\u00e5 Ruby on Rails ramverk fr\u00e5n b\u00f6rjan och har hanterat \u00f6ver 250 RoR-projekt. Med ett team p\u00e5 \u00f6ver 100+ RoR-utvecklare som \u00e4r v\u00e4l bevandrade med de senaste teknikerna och verktygen \u00e4r RailsCarma v\u00e4l l\u00e4mpad att hj\u00e4lpa dig med alla dina utvecklingsbehov. Om du har n\u00e5gra tvivel eller fr\u00e5gor, kontakta oss g\u00e4rna via v\u00e5r <a href=\"\/sv\/kontakta-oss\/\" target=\"_blank\" rel=\"noopener noreferrer\">Kontakta oss<\/a> sida<\/p>\n<p style=\"text-align: justify;\">L\u00e4s andra relaterade artiklar:<\/p>\n\n<ul>\n \t<li style=\"text-align: justify;\"><a href=\"\/sv\/blogg\/tekniska-artiklar\/ramverk-i-realtid\/\" target=\"_blank\" rel=\"noopener noreferrer\">Realtidsramverk<\/a><\/li>\n \t<li style=\"text-align: justify;\"><a href=\"\/sv\/blogg\/ledning\/stalla-rals-miljo\/\" target=\"_blank\" rel=\"noopener noreferrer\">St\u00e4ll in r\u00e4lsmilj\u00f6<\/a><\/li>\n \t<li style=\"text-align: justify;\"><a href=\"\/sv\/blogg\/ledning\/hur-man-staller-in-nginx-pa-servern-for-rails-applikationen\/\" target=\"_blank\" rel=\"noopener noreferrer\">Hur man st\u00e4ller in Nginx p\u00e5 Server for Rails Application<\/a><\/li>\n \t<li style=\"text-align: justify;\"><a href=\"\/sv\/blogg\/ledning\/hur-man-gor-kallinstallation-av-sqlite3\/\" target=\"_blank\" rel=\"noopener noreferrer\">Hur man g\u00f6r k\u00e4llinstallation f\u00f6r SQLite 3<\/a><\/li>\n<\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-2f3f25d5 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2f3f25d5\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-58e1c741\" data-id=\"58e1c741\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-ced0603 elementor-widget elementor-widget-heading\" data-id=\"ced0603\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Prenumerera f\u00f6r de senaste uppdateringarna<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8080610 elementor-widget elementor-widget-shortcode\" data-id=\"8080610\" data-element_type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-shortcode\">\t\t\t\t\t<script type=\"text\/javascript\">\n\t\t\t\t\t\tvar gCaptchaSibWidget;\n                        var onloadSibCallbackInvisible = function () {\n\n                            var element = document.getElementsByClassName('sib-default-btn');\n                            var countInvisible = 0;\n 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defer><\/script>\n\t\t\t\t\n\t\t\t<form id=\"sib_signup_form_1\" method=\"post\" class=\"sib_signup_form\" action=\"\">\n\t\t\t\t<div class=\"sib_loader\" style=\"display:none;\"><img\n\t\t\t\t\t\t\tsrc=\"https:\/\/www.railscarma.com\/wp-includes\/images\/spinner.gif\" alt=\"lastare\"><\/div>\n\t\t\t\t<input type=\"hidden\" name=\"sib_form_action\" value=\"subscribe_form_submit\">\n\t\t\t\t<input type=\"hidden\" name=\"sib_form_id\" value=\"1\">\n                <input type=\"hidden\" name=\"sib_form_alert_notice\" value=\"Please fill out this field\">\n                <input type=\"hidden\" name=\"sib_form_invalid_email_notice\" value=\"Your email address is invalid\">\n                <input type=\"hidden\" name=\"sib_security\" value=\"7698497286\">\n\t\t\t\t<div class=\"sib_signup_box_inside_1\">\n\t\t\t\t\t<div style=\"\/*display:none*\/\" class=\"sib_msg_disp\">\n\t\t\t\t\t<\/div>\n                                            <div id=\"sib_captcha_invisible\" 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