[lxc-users] cpu, memory and IO statistics measuring from inside a container

Thu Mar 13 19:52:46 UTC 2014

Considering that we've moved to using LXC for our monitoring servers (Icinga/Check_MK/Thruk in one, shared leveraged MySQL database in another, Git/Github in another, looking at Jasper Reports in another, etc) I'm fairly keen to find out what sort of LXC specific monitoring we should be considering for container performance vs host performance.

It sounds like something that should exist so if it doesn't yet, I'm quite keen to put some time into it.

-- 
Gavin Grieve

-----Original Message-----
From: lxc-users-bounces at lists.linuxcontainers.org [mailto:lxc-users-bounces at lists.linuxcontainers.org] On Behalf Of Serge Hallyn
Sent: Friday, 14 March 2014 5:48 a.m.
To: LXC users mailing-list
Subject: Re: [lxc-users] cpu, memory and IO statistics measuring from inside a container

Quoting Flo (florian.engelmann at gmail.com):
> Hi,
> 
> is there any way to measure statistics regarding cpu usage (load and
> utilization) memory usage and block IO from inside a container? I was
> not able to manage this topic. Is it possible to mount
> /sys/fs/cgroup/cpuacct/lxc/<containername> to some place inside the

Sure.  For one thing you can just do

lxc.mount.auto = cgroup:mixed

to get the full cgroup trees  mounted inside the container.

> container??? Are there any collectd, statsd or Nagios plugins to get
> some statistics?

Not yet that I know of.  Please let us know if you write some.

> Thank you for any help!
> 
> Regards,
> Flo

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