[OpenStack-Infra] suggestions for gate optimizations

Russell Bryant rbryant at redhat.com
Tue Jan 21 18:34:59 UTC 2014


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On 01/21/2014 12:32 PM, Thierry Carrez wrote:
> Both of those options are costly in terms of node consumption. That
> said I think it doesn't really make sense to build a 100-long gate
> queue and assigning resources to that, when we know for
> almost-certain there is no way that 100th test will end up being
> significant. The gate queue could be 25-50 deep and work the same.
> The changes at the top of the queue are the ones that matter and
> which should be given extra resources and parallel testing.

On that note, one of the issues seems to be thrashing with our pool of
nodes.  One thought for a seemingly simple change was to just put a
hard cap on how many changes on the gate queue get nodes allocated to
them at any given time so that the impact of a gate reset is lower.

- -- 
Russell Bryant
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