[Openstack-operators] Strange memory usage

Samuel Winchenbach swinchen at gmail.com
Wed Oct 16 13:43:06 UTC 2013


I don't think it is anything running on the VMs.  We have three nodes.  The
two nodes that the experience the problem are also running the l3-agent.
 Perhaps that could be the culprit?


On Tue, Oct 15, 2013 at 1:15 PM, Damian <avghacker at gmail.com> wrote:

> Is the same application run across all of the VMs?  A common symptom
> usually stems from apps that don't behave properly  and have a lot of
> frequent writes.  If possible you should spin up a blank compute node and
> see if the symptoms are similar.
>
> On Oct 15, 2013, at 11:43 AM, Samuel Winchenbach <swinchen at gmail.com>
> wrote:
>
> Hi all,
>
> I have a 16 process/64GB RAM compute node running Grizzly with some odd
> memory usage behavior.  The node is currently running 17 lightly used VMs.
>
> root at test1:~/scripts# free -m
>              total       used       free     shared    buffers     cached
> Mem:         64429      48742      15687          0          0      28479
> -/+ buffers/cache:      20263      44166
> Swap:         4093       4026         67
>
> As you can see I have over 15GB free (44 if you remove cached memory!)
>  yet the swap space is almost completely full.
>
> Any idea what might be going on?
>
> Thanks,
> Sam
>
>
> _______________________________________________
> OpenStack-operators mailing list
> OpenStack-operators at lists.openstack.org
> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-operators
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.openstack.org/pipermail/openstack-operators/attachments/20131016/edc68346/attachment.html>


More information about the OpenStack-operators mailing list