[openstack-dev] [Ceilometer] [QA] Slow Ceilometer resource_list CLI command
sean at dague.net
Mon Mar 17 19:25:13 UTC 2014
On 03/17/2014 03:22 PM, Joe Gordon wrote:
> On Mon, Mar 17, 2014 at 11:55 AM, Matthew Treinish <mtreinish at kortar.org
> <mailto:mtreinish at kortar.org>> wrote:
> Hi everyone,
> So a little while ago we noticed that in all the gate runs one of
> the ceilometer
> cli tests is consistently in the list of slowest tests. (and often
> the slowest)
> This was a bit surprising given the nature of the cli tests we
> expect them to
> execute very quickly.
> test_ceilometer_resource_list which just calls ceilometer
> resource_list from the
> CLI once is taking >=2 min to respond. For example:
> (where it takes > 3min)
> The cli tests are supposed to be quick read-only sanity checks of
> the cli
> functionality and really shouldn't ever be on the list of slowest
> tests for a
> gate run. I think there was possibly a performance regression
> recently in
> ceilometer because from I can tell this test used to normally take
> ~60 sec.
> (which honestly is probably too slow for a cli test too) but it is
> much slower than that.
> Sounds like we should add another round of sanity checking to the CLI
> tests: make sure all commands return within x seconds. As a first pass
> we can say x=60 and than crank it down in the future.
So, the last thing I want to do is trigger a race here by us
artificially timing out on tests. However I do think cli tests should be
returning in < 2s otherwise they are not simple readonly tests.
Samsung Research America
sean at dague.net / sean.dague at samsung.com
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