[openstack-dev] [TripleO][CI] Memory shortage in HA jobs, please increase it

Derek Higgins derekh at redhat.com
Fri Aug 19 13:51:18 UTC 2016

On 19 August 2016 at 11:08, Giulio Fidente <gfidente at redhat.com> wrote:
> On 08/19/2016 11:41 AM, Derek Higgins wrote:
>> On 19 August 2016 at 00:07, Sagi Shnaidman <sshnaidm at redhat.com> wrote:
>>> Hi,
>>> we have a problem again with not enough memory in HA jobs, all of them
>>> constantly fails in CI: http://status-tripleoci.rhcloud.com/
>> Have we any idea why we need more memory all of a sudden? For months
>> the overcloud nodes have had 5G of RAM, then last week[1] we bumped it
>> too 5.5G now we need it bumped too 6G.
>> If a new service has been added that is needed on the overcloud then
>> bumping to 6G is expected and probably the correct answer but I'd like
>> to see us avoiding blindly increasing the resources each time we see
>> out of memory errors without investigating if there was a regression
>> causing something to start hogging memory.
> fwiw, one recent addition was the cinder-backup service
> though this service wasn't enabled by default in mitaka so with [1] we can
> disable the service by default for newton as well

we still got memory errors with this patch, I'm going to bump up to 6G
as sagi suggested to temporarily unblock things but I strongly suggest
somebody looks into this and we prioritized undoing the bump if
possible next week.

> 1. https://review.openstack.org/#/c/357729
> --
> Giulio Fidente
> GPG KEY: 08D733BA | IRC: gfidente

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