https://bugzilla.wikimedia.org/show_bug.cgi?id=39493
Web browser: ---
Bug #: 39493
Summary: High OOM rate in refreshLinks2
Product: MediaWiki
Version: unspecified
Platform: All
OS/Version: All
Status: NEW
Severity: normal
Priority: Unprioritized
Component: Page editing
AssignedTo: [email protected]
ReportedBy: [email protected]
Classification: Unclassified
Mobile Platform: ---
We're logging around 6000-10000 job queue OOMs per day:
$ for day in `seq 15 17`; do echo -n "August $day: "; zgrep -A2 'Allowed memory
size of' fatal.log-201208$day.gz | grep unknown-host | wc -l ; done
August 15: 7239
August 16: 9737
August 17: 6492
They are OOMs from various points in the parser, with RefreshLinksJob2::run()
as the ultimate caller.
These cause collateral damage beyond the article that actually triggered the
OOM, since the whole RefreshLinks2 batch is lost.
Perhaps there is a memory leak.
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