On Sat, Mar 24, 2012 at 12:33 PM, Patrick Reilly <[email protected]> wrote: > On Sat, Mar 24, 2012 at 12:15 PM, Max Semenik <[email protected]> wrote: >> On 24.03.2012, 20:16 Asher wrote: >> >>> There was also a the release of a majorly changed MobileFrontend earlier >>> that day / prior night that line up with the first spike. The MF rewrite >>> doesn't perform well - MobileFrontend::DOMParse avg time went from 15ms to >>> 150ms (~500ms at 99th) and it wouldn't be impossible for it to also impact >>> non-mobile performance. >> >>> DB, ES, and memcache latency look steady, so I suspect it's all application >>> side. >> >> Thanks for the heads up, Asher. I've committed thorough profiling in >> <https://gerrit.wikimedia.org/r/3696>, would appreciate if someone >> deployed it. > > I've reviewed and merged your profiling code. We need to create a > patch against the deployed version at: > https://svn.wikimedia.org/viewvc/mediawiki/branches/wmf/1.19wmf1/extensions/MobileFrontend/MobileFrontend.body.php?revision=114476&view=co > > Once, that patch is created I'll apply it and push it live to production. > This should give us better insight into why this slowdown in > performance is occurring.
Okay, this revision: https://www.mediawiki.org/wiki/Special:Code/MediaWiki/114477 was pushed live at 12:46pm PDT. So, we should be able to see a clear graph in about 30 minutes. > >> >> >> -- >> Best regards, >> Max Semenik ([[User:MaxSem]]) >> >> >> _______________________________________________ >> Wikitech-l mailing list >> [email protected] >> https://lists.wikimedia.org/mailman/listinfo/wikitech-l _______________________________________________ Wikitech-l mailing list [email protected] https://lists.wikimedia.org/mailman/listinfo/wikitech-l
