Re: RGW: rgw_qactive perf is constantly growing

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I upgraded one cluster to 14.2.10 and this perf counter is still growing.
Does any have an idea of how to debug this problem?

Jacek

sob., 4 lip 2020 o 18:49 Simon Leinen <simon.leinen@xxxxxxxxx> napisał(a):

> Jacek Suchenia writes:
> > On two of our clusters (all v14.2.8)  we observe a very strange behavior:
>
> >  Over a time rgw_qactive perf is constantly growing, within 12h to 6k
> entries.
>
> As another data point, we're seeing the same here, on one of our two
> clusters, both also running 14.2.8.
>
> The growth is a bit slower here, about 300-700 connections per 24h
> across 6 RadosGW instances, but it's quite obvious.
>
> Our other cluster doesn't show this behavior, even though it is bigger
> and presumably has higher load.
>
> > image.png
> > We observe this situation only on two of our clusters where the common
> > thing is an app uploading a lot of files as multipart uploads via ssl.
>
> Interesting.  Our two clusters seem to have similar rates of multipart
> uploads, yet only one of them has the issue.
>
> > How can we debug this situation? How can we check what operations are
> > in a queue or why a perf counter has not been decreased?
>
> I'd be curious about that as well.  Maybe it's just an accounting issue
> with some kinds of (failed/aborted?) requests.  Looks a bit fishy...
> --
> Simon.
>


-- 
Jacek Suchenia
jacek.suchenia@xxxxxxxxx
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