{"id":694,"date":"2008-04-24T16:27:23","date_gmt":"2008-04-24T20:27:23","guid":{"rendered":"http:\/\/blogs.n1zyy.com\/n1zyy\/2008\/04\/24\/accuracy\/"},"modified":"2008-04-24T16:27:23","modified_gmt":"2008-04-24T20:27:23","slug":"accuracy","status":"publish","type":"post","link":"https:\/\/blogs.n1zyy.com\/n1zyy\/2008\/04\/24\/accuracy\/","title":{"rendered":"Accuracy"},"content":{"rendered":"<p>I haven&#8217;t been paying too much attention to my NTP server, but some e-mails on the list about problems with the monitoring server got me to look at <a href=\"http:\/\/www.pool.ntp.org\/scores\/72.36.178.234\">my server&#8217;s stats<\/a>. Apparently the monitor experienced a bit of network turbulence and started considering everyone to be way off.<\/p>\n<p>I was looking a bit at <a href=\"http:\/\/ttwagner.com\/newmain\/ntp.php\">my local NTP stats<\/a>. The last polling interval stepped my clock forward 5.024ms. This is perhaps more than I&#8217;d like; sometimes the offset is less than a millisecond.<\/p>\n<p>So I started wondering what sort of accuracy this was. My server was happy with its sources, so it&#8217;s at the longest polling interval: once every 1,024 seconds, it&#8217;ll check. Thus, over 1,024 seconds, I lost 5.024ms.<\/p>\n<p>Some quick calculations show that this is a 0.000491% error. I guess I&#8217;ll take it.<\/p>","protected":false},"excerpt":{"rendered":"<p>I haven&#8217;t been paying too much attention to my NTP server, but some e-mails on the list about problems with the monitoring server got me to look at my server&#8217;s stats. Apparently the monitor experienced a bit of network turbulence &hellip; <a href=\"https:\/\/blogs.n1zyy.com\/n1zyy\/2008\/04\/24\/accuracy\/\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4,15,18,24],"tags":[],"class_list":["post-694","post","type-post","status-publish","format-standard","hentry","category-computers","category-living","category-ocd","category-rants-raves"],"_links":{"self":[{"href":"https:\/\/blogs.n1zyy.com\/n1zyy\/wp-json\/wp\/v2\/posts\/694","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blogs.n1zyy.com\/n1zyy\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blogs.n1zyy.com\/n1zyy\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.n1zyy.com\/n1zyy\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.n1zyy.com\/n1zyy\/wp-json\/wp\/v2\/comments?post=694"}],"version-history":[{"count":0,"href":"https:\/\/blogs.n1zyy.com\/n1zyy\/wp-json\/wp\/v2\/posts\/694\/revisions"}],"wp:attachment":[{"href":"https:\/\/blogs.n1zyy.com\/n1zyy\/wp-json\/wp\/v2\/media?parent=694"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blogs.n1zyy.com\/n1zyy\/wp-json\/wp\/v2\/categories?post=694"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blogs.n1zyy.com\/n1zyy\/wp-json\/wp\/v2\/tags?post=694"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}