{"id":24,"date":"2013-03-08T18:11:59","date_gmt":"2013-03-08T18:11:59","guid":{"rendered":"http:\/\/blog.soton.ac.uk\/techteam\/?p=24"},"modified":"2013-03-11T16:08:07","modified_gmt":"2013-03-11T16:08:07","slug":"interesting-statistics","status":"publish","type":"post","link":"https:\/\/blog.soton.ac.uk\/techteam\/2013\/03\/08\/interesting-statistics\/","title":{"rendered":"Interesting Statistics"},"content":{"rendered":"<p>To start us off then, here are some interesting statistics that we recently gathered:<\/p>\n<ul>\n<li>Our data centre holds around 1500 servers, over half of which are virtual machines.<\/li>\n<li>Our primary filestore cluster holds over 126TB of data, of which 90TB is user files, 27TB is shared\/resource data, and 7TB is backups. On an average week, at peak times, there are over 10,000 connections open.<\/li>\n<li>The primary filestore cluster contains over 85 million files, 75% of which are less than 128KB.<\/li>\n<li>Our backup infrastructure backs up up to 17TB of changed data every day, totaling up to over 3 Petabytes every year!<\/li>\n<li>The tape robot in the tape library travels over 600 miles every year (the equivalent of flying from Lands End to John o&#8217; Groats)<\/li>\n<li>Over 40 million e-mails are delivered every year &#8211; a further 247 million e-mails are blocked by spam filtering.<\/li>\n<li>On average, Thursday is the busiest day of the week for e-mail, whilst Monday is the quietest day of the working week.<\/li>\n<li>Our virtual infrastructure has roughly 10TB of RAM and 153TB of storage.<\/li>\n<li>At peak times on an average week, there are about 1,000 people logged in to SUSSED.<\/li>\n<\/ul>\n<p>I&#8217;m sure there will be more to come &#8211; stay tuned!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>To start us off then, here are some interesting statistics that we recently gathered: Our data centre holds around 1500 servers, over half of which are virtual machines. Our primary filestore cluster holds over 126TB of data, of which 90TB is user files, 27TB is shared\/resource data, and 7TB is backups. On an average week, &hellip; <\/p>\n<p><a class=\"more-link block-button\" href=\"https:\/\/blog.soton.ac.uk\/techteam\/2013\/03\/08\/interesting-statistics\/\">Continue reading &raquo;<\/a><\/p>\n","protected":false},"author":50002,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[323],"tags":[285444,284617,284268,794600,284760],"class_list":["post-24","post","type-post","status-publish","format-standard","hentry","category-statistics","tag-backup","tag-e-mail","tag-filestore","tag-statistics","tag-sussed"],"_links":{"self":[{"href":"https:\/\/blog.soton.ac.uk\/techteam\/wp-json\/wp\/v2\/posts\/24","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.soton.ac.uk\/techteam\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.soton.ac.uk\/techteam\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.soton.ac.uk\/techteam\/wp-json\/wp\/v2\/users\/50002"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.soton.ac.uk\/techteam\/wp-json\/wp\/v2\/comments?post=24"}],"version-history":[{"count":13,"href":"https:\/\/blog.soton.ac.uk\/techteam\/wp-json\/wp\/v2\/posts\/24\/revisions"}],"predecessor-version":[{"id":44,"href":"https:\/\/blog.soton.ac.uk\/techteam\/wp-json\/wp\/v2\/posts\/24\/revisions\/44"}],"wp:attachment":[{"href":"https:\/\/blog.soton.ac.uk\/techteam\/wp-json\/wp\/v2\/media?parent=24"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.soton.ac.uk\/techteam\/wp-json\/wp\/v2\/categories?post=24"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.soton.ac.uk\/techteam\/wp-json\/wp\/v2\/tags?post=24"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}