Issue #1395 has been updated by Kevin Cai.
This issue is much more critical!
It can be reproducible in a period running of 30+ days, I have about 20+
machines running puppetd (version 0.25.4), after 30 days, 80% of their
puppetd's memory usage are up to 50%
restarting puppetd process can resolve the issue.
puppetd memory usage (the host has 1GB RAM & 1GB swap)
ELAPSED %CPU %MEM CMD
33-20:01:14 3.4 60.7 /usr/bin/ruby /usr/sbin/puppetd
----------------------------------------
Bug #1395: puppet memory usage
http://projects.puppetlabs.com/issues/1395
Author: Peter Meier
Status: Accepted
Priority: Normal
Assigned to: Markus Roberts
Category: plumbing
Target version: 0.25.6
Patch: None
Affected version: 0.25.1
Keywords: memory leaks
Branch:
In a recent discussion about using puppetd with xinetd ("main
thread":http://groups.google.com/group/puppet-users/browse_thread/thread/50c94008469fc395/11687cd0a633f8f4
) it came out that there is some investigation needed on puppetd's memory
usage.
Different people noticed that running puppetd is using a lot of footprint
(links follow), while other noticed that it uses nearly none (links follow)
Notices about high memory usage:
VIRT/RES
"141m/61m":http://groups.google.com/group/puppet-users/msg/75a8bb3b6652bae6
"127m/82m":http://groups.google.com/group/puppet-users/msg/a4a43d3edd585c03 64
bit
"166m/83m":http://groups.google.com/group/puppet-users/msg/1825ed57ff84287f
"183m/96m":http://groups.google.com/group/puppet-users/msg/ecf2cd36b6e1e3a6
version 0.24.4, 64 bit
Notices about low memory usage:
"nothing
specific":http://groups.google.com/group/puppet-users/msg/aac9fade1b906bd9
version 0.24.4
"57m/46m":http://groups.google.com/group/puppet-users/msg/680b2b2760aa8890
version 0.23.1
Personally I can add another memory usage on a 32bit machine, which is rather
low: 85m virt and 69m res, running 0.24.4
Luke then
"noticed":http://groups.google.com/group/puppet-users/msg/573a76e32fba3eb0 that
we should investigate on memory usage in the near future.
Besides the memory consumption of puppetd, also the memory consumption of
puppetmaster was discussed. There Duncan Hill noticed that splitting the
fileserver off the the main puppetmaster "improved the situation
heavily":http://groups.google.com/group/puppet-users/msg/a7083b931b5c4cda ,
however he
"noticed":http://groups.google.com/group/puppet-users/msg/f68347fdb69b8496 that
the manifest puppetmaster still consumes a lot of memory.
There have been also "other reports about memory usage trashing the master and
the
client":http://groups.google.com/group/puppet-users/browse_thread/thread/26aa8025de704cc4/1c9608f58360cdbb,
however this might not be related.
Quick Summary:
We have seen different environments reporting a lot of memory usage. Most of
them seem to be 64bit machines using 0.24.4. One report about low memory usage
was a 0.23.1 version.
Personal additional assumption: And for a first glance it looks like that 64bit
machines double the memory consumption. (Take care of this assumption)
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