{"id":138,"date":"2005-09-21T21:14:04","date_gmt":"2005-09-22T01:14:04","guid":{"rendered":"https:\/\/www.suramya.com\/blog\/?p=138"},"modified":"2005-09-21T21:20:39","modified_gmt":"2005-09-22T01:20:39","slug":"how-to-investigate-intermittent-problems","status":"publish","type":"post","link":"https:\/\/www.suramya.com\/blog\/2005\/09\/how-to-investigate-intermittent-problems\/","title":{"rendered":"How to Investigate Intermittent Problems"},"content":{"rendered":"<p>A really really good post by James Bach on how to investigate Intermittent Problems. Any person who does product testing should read this. Even developers\/programmers need to read this as this will make it easier to find and fix bugs.<\/p>\n<p><b>Brief extract from this post:<\/b><\/p>\n<p>Some Principles of Intermittent Problems:<\/p>\n<ul>\n<li>Be comforted: the cause is probably not evil spirits.<\/li>\n<li>If it happened once, it will probably happen again<\/li>\n<li>If a bug goes away without being fixed, it probably didn&#8217;t go away for good.<\/li>\n<li>Be wary of any fix made to an intermittent bug. By definition, a fixed bug and an unfixed intermittent bug are indistinguishable over some period of time and\/or input space.<\/li>\n<\/ul>\n<p>&#8230;<br \/>\n&#8230;<\/p>\n<p>Some General Suggestions for Investigating Intermittent Problems:<\/p>\n<ul>\n<li>Recheck your most basic assumptions: are you using the computer you think you are using? are you testing what you think you are testing? are you observing what you think you are observing?<\/li>\n<li>Eyewitness reports leave out a lot of potentially vital information. So listen, but DO NOT BECOME ATTACHED to the claims people make.<\/li>\n<li>If someone tells you what the problem can&#8217;t possibly be, consider putting extra attention into those possibilities.<\/li>\n<\/ul>\n<p>Original Post:<br \/>\n<a href=\"http:\/\/blackbox.cs.fit.edu\/blog\/james\/archives\/000197.html\">How to Investigate Intermittent Problems<\/a><\/p>\n<p>&#8211; Suramya<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A really really good post by James Bach on how to investigate Intermittent Problems. Any person who does product testing should read this. Even developers\/programmers need to read this as this will make it easier to find and fix bugs. Brief extract from this post: Some Principles of Intermittent Problems: Be comforted: the cause is [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"atmosphere_disabled":false,"atmosphere_custom_text":"","activitypub_content_warning":"","activitypub_content_visibility":"","activitypub_max_image_attachments":3,"activitypub_interaction_policy_quote":"anyone","activitypub_status":"","footnotes":""},"categories":[9,5,2],"tags":[],"class_list":["post-138","post","type-post","status-publish","format-standard","hentry","category-computer-hintstips","category-newsarticles","category-techie-stuff"],"_links":{"self":[{"href":"https:\/\/www.suramya.com\/blog\/wp-json\/wp\/v2\/posts\/138","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.suramya.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.suramya.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.suramya.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.suramya.com\/blog\/wp-json\/wp\/v2\/comments?post=138"}],"version-history":[{"count":0,"href":"https:\/\/www.suramya.com\/blog\/wp-json\/wp\/v2\/posts\/138\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.suramya.com\/blog\/wp-json\/wp\/v2\/media?parent=138"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.suramya.com\/blog\/wp-json\/wp\/v2\/categories?post=138"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.suramya.com\/blog\/wp-json\/wp\/v2\/tags?post=138"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}