Last modified: 2013-11-05 18:29:11 UTC

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Bug 45072 - JobQueueGroup::getQueuesWithJobs used one query per type
JobQueueGroup::getQueuesWithJobs used one query per type
Status: RESOLVED FIXED
Product: MediaWiki
Classification: Unclassified
JobQueue (Other open bugs)
1.21.x
All All
: Low normal (vote)
: ---
Assigned To: Nobody - You can work on this!
: performance
Depends on:
Blocks:
  Show dependency tree / graph
 
Reported: 2013-02-16 11:07 UTC by db [inactive,noenotif]
Modified: 2013-11-05 18:29 UTC (History)
3 users (show)

See Also:
Web browser: ---
Mobile Platform: ---
Assignee Huggle Beta Tester: ---

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Description db [inactive,noenotif] 2013-02-16 11:07:51 UTC 
Looking at the log gives many queries against the job table to determine, if some jobs exist there. The calls are out of JobQueueGroup::getQueuesWithJobs or JobQueueGroup::getDefaultQueuesWithJobs to JobQueue::isEmpty

Maybe this can be optimized by using a DISTINCT query? That sounds faster, than, by default, 9 queries.
Comment 1 Gerrit Notification Bot 2013-07-04 07:26:17 UTC 
Change 71966 had a related patch set uploaded by Aaron Schulz:
jobqueue: improved performance of JobQueueGroup::getQueuesWithJobs()

https://gerrit.wikimedia.org/r/71966
Comment 2 Gerrit Notification Bot 2013-10-01 03:23:57 UTC 
Change 71966 merged by jenkins-bot:
jobqueue: improved performance of JobQueueGroup::getQueuesWithJobs()

https://gerrit.wikimedia.org/r/71966
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