Wikimedia Platform Engineering/MediaWiki Core Team/Check-ins/20140414

who: Bryan, Brad, CSteipp, Antoine, Tim, Dan, Nik, Aaron, Chad, Rob, Ori regrets: Greg

Bug escalation

 * Bug 62623 - https://gerrit.wikimedia.org/r/#/c/123146/ reviewer?

Quarterly Review
https://www.mediawiki.org/wiki/Wikimedia_MediaWiki_Core_Team/Quarterly_review,_April_2014

https://docs.google.com/a/wikimedia.org/presentation/d/1DCJ5QyfAYXZZYfFjeVeAjD43qy1aMRoLTCJp-lknumE/edit?usp=sharing

Search

 * Repartitioning machines - once we’re done we’ll roll out to almost all the wikis we don’t have
 * Swift implementation of rolling snapshots

Performance / HHVM

 * Tim's Convert Zend compatibility layer to HNI mega-patch merged: https://github.com/facebook/hhvm/pull/2276
 * Moved HHVM on Beta cluster to http://en.wikipedia.beta-hhvm.wmflabs.org ; tidied up the config hacks.
 * Fix for memcache / memcached + unix domain sockets: https://github.com/facebook/hhvm/pull/2450
 * Fix performance issue with graphite-carbon (ulimit nofile was too low; making it higher via /etc/security/limits.d didn’t work because Upstart doesn’t respect that)
 * Profiler class refactoring https://gerrit.wikimedia.org/r/#/c/125059/
 * Meeting w/Dan Foy regarding image file size & Zero; notes @ http://etherpad.wikimedia.org/p/pagesizezero
 * TODO: investigate compression / quality settings; see if there’s an opportunity to make things slimmer
 * Presentation prep: Zurich (May), meetup (later in May), Wikimania (Aug)
 * HHVM test instance in eqiad should be ready tomorrow per cmjohnson / robh (https://rt.wikimedia.org/Ticket/Display.html?id=7135)
 * Fixed concurrent stat preloading for multiwrite backend
 * More PoolCounter use for thumbnails (djvu)
 * Broke ref cycled in FlaggedRevs

Deployment tooling / RelEng

 * l10nupdate problem fixed; it was really a long standing scap bug
 * Making progress on using scap to deploy in beta.
 * https://integration.wikimedia.org/ci/job/beta-scap-eqiad/
 * https://gerrit.wikimedia.org/r/#/c/123674/

SecurePoll

 * Nothing new to report from Brad
 * Dan continuing to iterate with Philippe and James A and documenting this on mw.o.

ContactForm for trademark

 * Dan promised to write a patch to change some of the strings but never got around to it. Dan passed details onto Brad just now, shouldn’t take too long.

Security

 * Reviewing static analysis tool
 * Reviewing varnishkafka
 * CentralAuth getting selenium tests, OAuth migration to metawiki