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

Zane Bitter zbitter at redhat.com
Thu Mar 16 13:56:14 UTC 2017

On 16/03/17 09:36, Joe Talerico wrote:
> 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?

I somebody can get those tools to log that data in the gate then I can 
try to make a chart of it :)

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