VSTS Incident Postmorten

Taylor Lafrinere from our VSTS team published two Root Cause Analyses which are really a good read. Sometime we all hit that one issue which makes you pull your hair out :-) I still remember the caching bug we hit in my previous team, where cache read/write were messing up validity check with dd/mm and mm/dd, maybe I should write about it someday. Here are RCA links,

Preliminary postmortem

Complete postmortem