Last modified: 2010-05-15 15:28:20 UTC

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Bug 1041 - MediaWiki pegs CPU
MediaWiki pegs CPU
Status: VERIFIED WORKSFORME
Product: MediaWiki
Classification: Unclassified
Parser (Other open bugs)
1.3.x
PC Linux
: Normal major (vote)
: ---
Assigned To: Nobody - You can work on this!
:
Depends on:
Blocks:
  Show dependency tree / graph
 
Reported: 2004-12-08 21:36 UTC by Travis D
Modified: 2010-05-15 15:28 UTC (History)
0 users

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

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Description Travis D 2004-12-08 21:36:01 UTC 
Running version 1.3.7 on Linux Fedora 2, with Apache 2.0.50, PHP version 4.3.8, 
running MySQL-max v 4.0.20

Quite frequently Apache chews up all the CPU when Apache serves anything over 10 
requests at once, bringing the CPU load up to 99%.

From top:

  PID USER     PRI  NI  SIZE  RSS SHARE STAT %CPU %MEM   TIME CPU COMMAND
 4902 root      16   0  8064 6392  6268 S    99.3  0.6   2:35   0 httpd

I've installed Turck MMCache to help reduce the load and turned on MediaWiki's file 
caching, neither have been able to fix the problem. I read WikiTravel had similar 
problems to this with MediaWiki 1.3.x, is there any documentatin on how to fix this?
Comment 1 Brion Vibber 2004-12-11 06:28:51 UTC 
Give 1.4beta2 a try; in most cases it should render faster than 1.3, and I've 
added some additional optimization for file cache hits.
http://meta.wikipedia.org/wiki/MediaWiki_1.4_benchmarks
Comment 2 Antoine "hashar" Musso (WMF) 2005-07-03 19:24:00 UTC 
Please test again with the lastest stable version (1.4)
eventually try out 1.5 which comes with a new database
schema.
Comment 3 Travis D 2005-07-04 12:43:04 UTC 
Yep, when we moved to 1.4 things improved nicely. I should have updated the bug
earlier.
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