[openstack-dev] [tripleo][heat] Heat memory usage in the TripleO gate: Ocata edition

Joe Talerico jtaleric at redhat.com
Thu Mar 16 13:36:21 UTC 2017

On Wed, Mar 15, 2017 at 5:53 PM, Zane Bitter <zbitter at redhat.com> wrote:
> On 15/03/17 15:52, Joe Talerico wrote:
>> Can we start looking at CPU usage as well? Not sure if your data has
>> this as well...
> Usage by Heat specifically? Or just in general?

heat-engine specifically.

> We're limited by what is logged in the gate, so CPU usage by Heat is
> definitely a non-starter. Picking a random gate run, the Heat memory use
> comes from this file:
> http://logs.openstack.org/27/445627/2/check-tripleo/gate-tripleo-ci-centos-7-ovb-nonha/9232979/logs/ps.txt.gz
> which is generated by running `ps` at the end of the test.
> We also have this file (including historical data) from dstat:
> http://logs.openstack.org/27/445627/2/check-tripleo/gate-tripleo-ci-centos-7-ovb-nonha/9232979/logs/dstat.txt.gz
> so there is _some_ data there, it's mostly a question of how to process it
> down to something we can plot against time. My first guess would be to do a
> box-and-whisker-style plot showing the distribution of the 1m load average
> during the test. (CPU usage itself is generally a pretty bad measure of...
> CPU usage.) What problems are you hoping to catch?

Just curiosity.

We have a set of tools which capture per-process utilization for
cpu/mem/disk/etc. I wonder if we could implement this into your work?


> cheers,
> Zane.
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