Re: [ovirt-users] ovirt-ha-agent cpu usage

On Wed, Apr 26, 2017 at 12:52 PM, Nir Soffer <nsoffer(a)redhat.com&gt; wrote: > On Wed, Apr 26, 2017 at 11:36 AM Gianluca Cecchi < > gianluca.cecchi(a)gmail.com&gt; wrote: > >> On Tue, Apr 25, 2017 at 11:28 PM, Nir Soffer <nsoffer(a)redhat.com&gt; wrote: >> >>> >>> >>> Hi Gianluca, >>> >>> You can run this on the host: >>> >>> $ python -c "import yaml; print 'CLoader:', hasattr(yaml, 'CLoader')" >>> CLoader: True >>> >>> If you get "CLoader: False", you have some packaging issue, CLoader >>> is available on all supported platforms. >>> >>> Nir >>> >>> >>>> Thanks, >>>> Gianluca >>>> >>>> >> >> It seems ok. >> >> [root@ovirt01 ovirt-hosted-engine-ha]# python -c "import yaml; print >> 'CLoader:', hasattr(yaml, 'CLoader')" >> CLoader: True >> [root@ovirt01 ovirt-hosted-engine-ha]# >> >> Anyway see here a sample of the spikes that it cntinues to have.. from >> 15% to 55% many times >> https://drive.google.com/file/d/0BwoPbcrMv8mvMy1xVUE3YzI2YVE >> /view?usp=sharing >> > > There are two issues in this video: > - Memory leak, ovirt-ha-agent is using 1g of memory. It is very unlikely > that it needs so much memory. > - Unusual cpu usage - but not the kind of usage related to yaml parsing. > > I would open two bugs for this. We have seen the first issue few month > ago, and > we did nothing about it so the memory leak was not fixed. > > To understand the unusual cpu usage, we need to integrate yappi into > ovirt-ha-agent, > and do some profiling to understand where cpu time is spent. > > Simone, can you do something based on these patches? > https://gerrit.ovirt.org/#/q/topic:generic-profiler > > I hope to get these patches merged soon. > > Absolutely at this point.

Nir > > >> >> >> The host is an Intel NUC6i5 with 32Gb of ram. There are the engine, an >> F25 guest and a C7 desktop VMs running, without doing almost anything. >> >> Gianluca >> >>