We're also seeing unusually high mgr CPU usage on some setups, the only thing they have in common seem to > 300 OSDs.

Threads using the CPU are "mgr-fin" and and "ms_dispatch"


Paul

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Paul Emmerich

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On Thu, Dec 19, 2019 at 9:40 AM Serkan Çoban <cobanserkan@gmail.com> wrote:
+1
1500 OSDs, mgr is constant %100 after upgrading from 14.2.2 to 14.2.5.

On Thu, Dec 19, 2019 at 11:06 AM Toby Darling <toby@mrc-lmb.cam.ac.uk> wrote:
>
> On 18/12/2019 22:40, Bryan Stillwell wrote:
> > That's how we noticed it too.  Our graphs went silent after the upgrade
> > completed.  Is your large cluster over 350 OSDs?
>
> A 'me too' on this - graphs have gone quiet, and mgr is using 100% CPU.
> This happened when we grew our 14.2.5 cluster from 328 to 436 OSDs.
>
> Cheers
> Toby
> --
> Toby Darling, Scientific Computing (2N249)
> MRC Laboratory of Molecular Biology
> Francis Crick Avenue
> Cambridge Biomedical Campus
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