Re: Monitoring slow ops

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Hi Trey,

On Tue, Feb 08, 2022 at 10:00:18PM -0500, Trey Palmer wrote:
> We have found that RGW access problems on our clusters almost always
> coincide with slow ops in "ceph -s".
>
> Is there any good way to monitor and alert on slow ops from prometheus
> metrics?
>
> We are running Nautilus but I'd be interested in any changes that might
> help in newer versions, as well.

I don't remember in which Ceph release it was introduced, but on Pacific
there's a metric called `ceph_healthcheck_slow_ops`.

Cheers,

--
Ben

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