https://bugzilla.wikimedia.org/show_bug.cgi?id=70485
Bug ID: 70485
Summary: Page inaccessible for ten minutes after edit due to
PoolCounter pool-timeout
Product: Wikimedia
Version: wmf-deployment
Hardware: All
OS: All
Status: NEW
Keywords: performance
Severity: normal
Priority: Unprioritized
Component: General/Unknown
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected],
[email protected]
Web browser: ---
Mobile Platform: ---
After these three edits, I was unable to access the page and its subpages for
10, perhaps 20 minutes:
<https://meta.wikimedia.org/w/index.php?title=Letter_to_Wikimedia_Foundation:_Superprotect_and_Media_Viewer&offset=20140905103524&limit=3&action=history>
The pages took a while to load, then they displayed either a pool-timeout error
or an error 504.
Some FuzzyBot edits were triggered by the edits linked above:
*
https://meta.wikimedia.org/w/index.php?title=Special:Contributions/FuzzyBot&dir=prev&offset=20140905094952&limit=21&target=FuzzyBot
*
https://meta.wikimedia.org/w/index.php?title=Special:Contributions/FuzzyBot&offset=20140905095524&limit=15&target=FuzzyBot
Example from poolcounter.log:
legoktm> metawiki: Pool key
'metawiki:pcache:idhash:5415286-0!*!0!!it!*!*:revid:9761977' (ArticleView):
Timeout waiting for the lock
legoktm> at 2014-09-05 09:53:03
No obvious changes in configuration or log patterns recently.
It's not the first time it happens to me and I'm not sure whether it's expected
or not (I can understand the operation I made was heavier than a normal edit),
but filing for reference.
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