https://bugzilla.wikimedia.org/show_bug.cgi?id=55454
Web browser: ---
Bug ID: 55454
Summary: JobQueueDB should use SqlBagOStuff for job
deduplication / work on vanilla MW install
Product: MediaWiki
Version: unspecified
Hardware: All
OS: All
Status: NEW
Severity: normal
Priority: Unprioritized
Component: JobQueue
Assignee: wikibugs-l@lists.wikimedia.org
Reporter: gwi...@wikimedia.org
CC: tstarl...@wikimedia.org
Classification: Unclassified
Mobile Platform: ---
In the JobQueueDB constructor, caching is basically disabled when SqlBagOStuff
is used as $wgMemc:
// Make sure that we don't use the SQL cache, which would be harmful
$this->cache = ( $wgMemc instanceof SqlBagOStuff ) ? new EmptyBagOStuff() :
$wgMemc;
That means that job deduplication won't work in local testing with the default
cache type. Since this is somewhat unexpected behavior it would be great if we
could remove this.
Is there still a real performance reason for disabling SqlBagOStuff in
JobQueueDB?
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