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Bug 19167 - Memory and Service Errors
Summary: Memory and Service Errors
Status: RESOLVED FIXED
Alias: None
Product: webplatform.org
Classification: Unclassified
Component: infrastructure (show other bugs)
Version: unspecified
Hardware: PC All
: P1 normal
Target Milestone: ---
Assignee: Doug Schepers
QA Contact: public-webplatform-bugs list
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2012-10-01 18:09 UTC by Doug Schepers
Modified: 2012-10-02 01:03 UTC (History)
6 users (show)

See Also:

Attachments

Description Doug Schepers 2012-10-01 18:09:25 UTC 
During the hackathon, we got periodic errors on this page:
 http://docs.webplatform.org/wiki/concepts/accessibility/accessibility_testing

It was not consistent, but it was reproducible.

The main error was this:
[[
Fatal error: Allowed memory size of 134217728 bytes exhausted (tried to allocate 71 bytes) in /srv/webplatform/wiki/current/includes/GlobalFunctions.php on line 1820
]]


One person also got this error:
[[
Error 503 Service Unavailable
Service Unavailable
Guru Meditation:
XID: 1994557883
Varnish cache server
]]
Comment 1 Alex Komoroske 2012-10-01 18:11:59 UTC 
Another XID I got: 763159860
Comment 2 JuleeAtAdobe 2012-10-01 18:22:07 UTC 
503s consistently for the last half hour. Getting the following XID: 763968451
Comment 3 John Foliot 2012-10-01 20:39:00 UTC 
Additional Instances:
  http://docs.webplatform.org/wiki/tutorials/test1
  http://docs.webplatform.org/wiki/tutorials/

[[
Error 503 Service Unavailable

Service Unavailable
Guru Meditation:

XID: 790608051

Varnish cache server
]]
Comment 4 Ryan Lane 2012-10-02 01:03:21 UTC 
I increased the php memory configuration to use 512MB of memory. In case of a bad DoS this could cause issues, but it'll ensure we don't get 500s due to memory exhaustion in MediaWiki.