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

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

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

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

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/

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

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.

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