[ovirt-users] vdsm memory consumption (ovirt 4.0)
nsoffer at redhat.com
Thu Sep 1 08:01:59 UTC 2016
On Wed, Aug 31, 2016 at 9:06 PM, Nir Soffer <nsoffer at redhat.com> wrote:
> On Wed, Aug 31, 2016 at 8:06 PM, Federico Alberto Sayd <fsayd at uncu.edu.ar>
>> Hello Nir:
>> I followed your instructions , added the config file, restarted vdsm, and
>> today I have the vdsm logs from a host:
>> Please tell me if you see anything related to the memory issue.
> This logs start when vdsm is using 567640 kB (554 MiB) - very unusual.
> The memory usage grow by 18 MiB during one day. No garbage collection
> issues. This smells like we keep some data forever for no reason.
> $ grep rss= vdsm-leak.log | head -n 1
> Thread-33::DEBUG::2016-08-30 12:01:43,845::health::122::health::(_check_resources)
> user=1.73%, sys=1.65%, rss=567640 kB (+44), threads=57
> $ grep rss= vdsm-leak.log | tail -n 1
> Thread-33::DEBUG::2016-08-31 13:00:36,913::health::122::health::(_check_resources)
> user=4.18%, sys=1.87%, rss=586584 kB (+0), threads=52
> I would like to see the logs since vdsm was started - do you have them?
> Also, can you describe the workload on this hypervisor?
> - how many vms are running at the same time
> - how many vms are started and stopped per hour
> - using default vdsm.conf? if not, please attach your conf
I could reproduce similar leak in master - it seems that we leak about 1MiB
for each vm started and stopped.
I opened this bug:
Please check if this bug match your issue. If it does, please add
your logs and other info to this bug.
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