On Tue, Aug 13, 2019 at 6:37 PM Gesiel Galvão Bernardes
<gesiel.bernardes@xxxxxxxxx> wrote:
>
> HI,
>
> I recently noticed that in two of my pools the command "rbd ls" has take several minutes to return the values. These pools have between 100 and 120 images each.
>
> Where should I look to check why this slowness? The cluster is apparently fine, without any warning.
>
> Thank you very much in advance.
Hi Gesiel,
Try
$ rbd ls --debug-ms 1
and look at the timestamps. If the latency is coming from RADOS, it
would probably be between "... osd_op(..." and "... osd_op_reply(...".
Thanks,
Ilya
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