Re: ceph threads and performance

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On Wed, Jun 12, 2019 at 10:57 AM tim taler <robur314@xxxxxxxxx> wrote:
We experience absurd slow i/o in the VMs and I suspect
our thread settings in ceph.conf to be one of the culprits.

this is probably not the cause. But someone might be able to help you if you
share details on your setup (hardware, software) and workload (iops, bandwidth, latency)

Paul

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Paul Emmerich

Looking for help with your Ceph cluster? Contact us at https://croit.io

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Is there a rule of thumb how to get the proper setting?
What side effect will have a higher threads setting?
Higer cpu utilisation? higher memory impact?

TIA
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