If there was an optimal setting, then it would be the default. Also, both have these options have been removed in Luminous ~2 years ago
Paul -- Paul Emmerich Looking for help with your Ceph cluster? Contact us at https://croit.io croit GmbH Freseniusstr. 31h 81247 München www.croit.io Tel: +49 89 1896585 90 On Wed, Jun 12, 2019 at 3:51 PM tim taler <robur...@gmail.com> wrote: > I will look into that, but: > IS there a rule of thumb to determine the optimal setting for > osd disk threads > and > osd op threads > ? > TIA > > On Wed, Jun 12, 2019 at 3:22 PM Paul Emmerich <paul.emmer...@croit.io> > wrote: > > > > > > > > On Wed, Jun 12, 2019 at 10:57 AM tim taler <robur...@gmail.com> 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 > > > > -- > > Paul Emmerich > > > > Looking for help with your Ceph cluster? Contact us at https://croit.io > > > > croit GmbH > > Freseniusstr. 31h > > 81247 München > > www.croit.io > > Tel: +49 89 1896585 90 > > > >> > >> 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 > >> _______________________________________________ > >> ceph-users mailing list > >> ceph-users@lists.ceph.com > >> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >
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