[ceph-users] Cephfs / mds: how to determine activity per client?

John Spray jspray at redhat.com
Mon Nov 5 03:03:07 PST 2018


On Mon, Nov 5, 2018 at 9:45 AM Erwin Bogaard <erwin.bogaard at gmail.com> wrote:
>
> Hi,
>
>
>
> Is there any way to determine the activity per cephfs client?
>
> For example, is there a way to get the requests/sec, bytes/sec, connections/sec, or any other relevant performance parameters per client?

Currently, you're limited to locally querying performance counters
from a ceph-fuse client ("ceph daemon <admin socket path> perf dump")

This is a long-requested feature though, and several people are
working on creating something much nicer.

John

>
>
> As ceph is multi host/multi client, it’s hard to trace all activity of all clients on all hosts, filter out the ceph-host to ceph-host communication, and get the complete picture of what the clients are up to and if one is misbehaving / overusing.
>
>
> Thanks,
>
> Erwin
>
>
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