https://bugzilla.wikimedia.org/show_bug.cgi?id=52527
Web browser: ---
Bug ID: 52527
Summary: tools-webserver-01 seems to be out of memory from time
to time
Product: Wikimedia Labs
Version: unspecified
Hardware: All
OS: All
Status: NEW
Severity: normal
Priority: Unprioritized
Component: tools
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected]
Classification: Unclassified
Mobile Platform: ---
I don't know if this is related to the NFS stalls, but tools-webserver-01 runs
out of memory from time to time; exim paniclog:
| 2013-08-03 03:13:23 daemon: fork of queue-runner process failed: Cannot
allocate memory
Daily anacron, Sun, 04 Aug 2013 06:30:12 +0000:
| /etc/cron.daily/apt:
| FATAL -> Failed to fork.
Weekly anacron, Sun, 04 Aug 2013 06:47:25 +0000:
| /etc/cron.weekly/apt-xapian-index:
| FATAL -> Failed to fork.
| run-parts: /etc/cron.weekly/apt-xapian-index exited with return code 100
Ganglia graphs
(http://ganglia.wmflabs.org/latest/graph_all_periods.php?h=tools-webserver-01&m=load_one&r=hour&s=by%20name&hc=4&mc=2&st=1375632437&g=mem_report&z=large&c=tools)
look rather peaceful, with most of the memory only being used for
buffers/cache.
But the webserver should never impede the system jobs from running, so this
needs to be looked into. Setting up tools-webserver-03 is certainly an option,
but may only defer the problem.
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