Re: slow "rados ls"

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Hi Marcel,
If this issue related to only one monitor?
If yes, check the overall node status: average load, disk I/O, RAM
consumption, swap size, etc. Could be not a ceph-related issue.

Regards,
Vladimir.

On Wed, Aug 26, 2020 at 9:07 AM Marcel Kuiper <ceph@xxxxxxxx> wrote:

> Hi
>
> One of my clusters running nautilus 14.2.8 is very slow (13 seconds or so
> where my other clusters are returning almost instantanious) when doing a
> 'rados --pool rc3-se.rgw.buckets.index ls' from one of the monitors.
>
> I checked
> - ceph status => OK
> - routing to/from osds ok (I see a lot of established connections to osds
> due to the command, nothing in syn_sent indicating incomplete handshake)
> - ping times are OK
> - no interface errors
> - no packet drops
> - no increasing send queus
> - and as far as I can see nothing out of the ordinary in mon and osd logs
>
> I have no clue how to debug the issue. If someone has pointers it would be
> much appreciated
>
> Kind Regards
>
> Marcel
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