{"id":10075,"date":"2014-11-07T13:18:35","date_gmt":"2014-11-07T18:18:35","guid":{"rendered":"http:\/\/mjtsai.com\/blog\/?p=10075"},"modified":"2014-11-07T13:18:35","modified_gmt":"2014-11-07T18:18:35","slug":"ecc-ram","status":"publish","type":"post","link":"https:\/\/mjtsai.com\/blog\/2014\/11\/07\/ecc-ram\/","title":{"rendered":"ECC RAM"},"content":{"rendered":"<p><a href=\"http:\/\/perspectives.mvdirona.com\/2009\/10\/07\/YouReallyDONeedECCMemory.aspx\">James Hamilton<\/a> in 2009 (via <a href=\"http:\/\/atp.fm\/episodes\/89\">Accidental Tech Podcast<\/a>):<\/p>\n<blockquote cite=\"http:\/\/perspectives.mvdirona.com\/2009\/10\/07\/YouReallyDONeedECCMemory.aspx\"><p>An excellent paper was just released that puts hard data behind this point and shows conclusively that ECC is absolutely needed. In <a href=\"http:\/\/www.cs.toronto.edu\/%7Ebianca\/papers\/sigmetrics09.pdf\">DRAM Errors in the Wild: A Large Scale Field Study<\/a>, Bianca Schroeder, Eduardo Pinheiro, and Wolf-Dietrich Weber show conclusively that you really do need ECC memory in server applications. Wolf was also an author of the excellent <a href=\"http:\/\/research.google.com\/archive\/power_provisioning.pdf\">Power Provisioning in a Warehouse-Sized Computer<\/a> that I mentioned in my blog post <a href=\"http:\/\/perspectives.mvdirona.com\/2009\/01\/29\/SlidesFromConferenceOnInnovativeDataSystemsResearch.aspx\">Slides From Conference on Innovative Data Systems Research<\/a> where the authors described a technique to over-sub subscribe data center power.<\/p><p>I continue to believe that client systems should also be running ECC and strongly suspect that a great many kernel and device driver failures are actually the result of memory fault. We don&rsquo;t have the data to prove it conclusively from a client population but I&rsquo;ve long suspected that the single most effective way for Windows to reduce their blue screen rate would be to require ECC as a required feature for <a href=\"http:\/\/www.microsoft.com\/whdc\/winlogo\/hwrequirements.mspx\">Windows Hardware Certification<\/a>.<\/p><\/blockquote>","protected":false},"excerpt":{"rendered":"<p>James Hamilton in 2009 (via Accidental Tech Podcast): An excellent paper was just released that puts hard data behind this point and shows conclusively that ECC is absolutely needed. In DRAM Errors in the Wild: A Large Scale Field Study, Bianca Schroeder, Eduardo Pinheiro, and Wolf-Dietrich Weber show conclusively that you really do need ECC [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"apple_news_api_created_at":"","apple_news_api_id":"","apple_news_api_modified_at":"","apple_news_api_revision":"","apple_news_api_share_url":"","apple_news_coverimage":0,"apple_news_coverimage_caption":"","apple_news_is_hidden":false,"apple_news_is_paid":false,"apple_news_is_preview":false,"apple_news_is_sponsored":false,"apple_news_maturity_rating":"","apple_news_metadata":"\"\"","apple_news_pullquote":"","apple_news_pullquote_position":"","apple_news_slug":"","apple_news_sections":"\"\"","apple_news_suppress_video_url":false,"apple_news_use_image_component":false,"footnotes":""},"categories":[2],"tags":[452,1056],"class_list":["post-10075","post","type-post","status-publish","format-standard","hentry","category-technology","tag-hardware","tag-ram"],"apple_news_notices":[],"_links":{"self":[{"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/posts\/10075","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/comments?post=10075"}],"version-history":[{"count":1,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/posts\/10075\/revisions"}],"predecessor-version":[{"id":10076,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/posts\/10075\/revisions\/10076"}],"wp:attachment":[{"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/media?parent=10075"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/categories?post=10075"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/tags?post=10075"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}