Last modified: 2014-11-03 23:17:26 UTC

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Bug 72856 - Purge cache for all it.m.wikipedia.org pages
Purge cache for all it.m.wikipedia.org pages
Status: RESOLVED FIXED
Product: Wikimedia
Classification: Unclassified
Site requests (Other open bugs)
unspecified
All All
: Unprioritized normal (vote)
: ---
Assigned To: Brandon Black
: ops
Depends on: 72541
Blocks:
  Show dependency tree / graph
 
Reported: 2014-11-01 07:27 UTC by Nemo
Modified: 2014-11-03 23:17 UTC (History)
20 users (show)

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

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Description Nemo 2014-11-01 07:27:37 UTC 
Due to bug 72855, cache needs to be purged for all it.m.wikipedia.org pages, within next week (3–9 November). Context: bug 72541, [[m:it.m.wikipedia.org]].

Otherwise, the permissions will be inconsistent for the next 30 days, until all caches expire. Moreover, the unregistered editing would be biased towards popular pages which for some reason were purged. (Usually useful edits are on unpopular pages.)
Comment 1 Bingle 2014-11-01 07:30:15 UTC 
Prioritization and scheduling of this bug is tracked on Trello card https://trello.com/c/nM4s6odp
Comment 2 Sam Reed (reedy) 2014-11-01 13:09:07 UTC 
Needs ops
Comment 3 Nemo 2014-11-01 13:27:59 UTC 
(In reply to Sam Reed (reedy) from comment #2)
> Needs ops

Thanks. Would a gradual increase of $wgCacheEpoch overkill? Or is this cache not controlled by it? It was suggested by Tim for the parser cache invalidation Wikidata needed https://lists.wikimedia.org/pipermail/wikitech-l/2014-September/078568.html
Comment 4 Sam Reed (reedy) 2014-11-01 19:20:53 UTC 
At one point the mobile caches could just be purged without any major issue...
Comment 5 Max Semenik 2014-11-01 20:26:43 UTC 
(In reply to Sam Reed (reedy) from comment #4)
> At one point the mobile caches could just be purged without any major
> issue...

It's not the case anymore, but Varnish can purge selectively and doing just itwiki will probably not cause an overload. Even though the hassle is still pretty serious..
Comment 6 Brandon Black 2014-11-03 20:19:48 UTC 
I've purged it.m.wikipedia.org on the mobile caches, can someone confirm it had the intended effect?
Comment 7 Florian 2014-11-03 20:22:57 UTC 
Confirmed with some random articles :) Thanks!
(RESO/FIXED?)
Comment 8 Nemo 2014-11-03 23:17:26 UTC 
Yes, fixed. Thanks Brandon, fantastic. :)
And thanks everyone for pointing this request in the right direction.
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