The general recommendation is to target around 100 PG/OSD. Have you tried
the https://ceph.com/pgcalc/ tool?

On Wed, 4 Apr 2018 at 21:38, Osama Hasebou <osama.hase...@csc.fi> wrote:

> Hi Everyone,
>
> I would like to know what kind of setup had the Ceph community been using
> for their Openstack's Ceph configuration when it comes to number of Pools &
> OSDs and their PGs.
>
> Ceph documentation briefly mentions it for small cluster size, and I would
> like to know from your experience, how much PGs have you created for your
> openstack pools in reality for a ceph cluster ranging from 1-2 PB capacity
> or 400-600 number of OSDs that performs well without issues.
>
> Hope to hear from you!
>
> Thanks.
>
> Regards,
> Ossi
>
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