On Tue, Jul 24, 2018 at 6:51 AM Mateusz Skala (UST, POL) < mateusz.sk...@ust-global.com> wrote:
> Hello again, > > How can I determine $cctid for specific rbd name? Or is there any good way > to map admin-socket with rbd? > The $cctid is effectively pseudo-random (it's a memory location within the process). Your best best is just a $pid mapping. > Regards > > Mateusz > > > > *From:* ceph-users [mailto:ceph-users-boun...@lists.ceph.com] *On Behalf > Of *Mateusz Skala (UST, POL) > *Sent:* Tuesday, July 24, 2018 9:49 AM > *To:* dilla...@redhat.com > *Cc:* ceph-users@lists.ceph.com > *Subject:* [Possibly Forged Email] Re: [ceph-users] Read/write statistics > per RBD image > > > > Thank You for help, it is exactly that I need. > > Regards > > Mateusz > > > > *From:* Jason Dillaman [mailto:jdill...@redhat.com <jdill...@redhat.com>] > *Sent:* Wednesday, July 18, 2018 1:28 PM > *To:* Mateusz Skala (UST, POL) <mateusz.sk...@ust-global.com> > *Cc:* dillaman <dilla...@redhat.com>; ceph-users < > ceph-users@lists.ceph.com> > *Subject:* Re: [ceph-users] Read/write statistics per RBD image > > > > Yup, on the host running librbd, you just need to enable the "admin > socket" in your ceph.conf and then use "ceph --admin-daemon > /path/to/image/admin/socket.asok perf dump" (i.e. not "ceph perf dump"). > > > > See the example in this tip window [1] for how to configure for a > "libvirt" CephX user. > > > > [1] http://docs.ceph.com/docs/mimic/rbd/libvirt/#configuring-ceph > > > > On Wed, Jul 18, 2018 at 4:02 AM Mateusz Skala (UST, POL) < > mateusz.sk...@ust-global.com> wrote: > > Thanks for response. > > In ‘ceph perf dump’ there is no statistics for read/write operations on > specific RBD image, only for osd and total client operations. I need to get > statistics on one specific RBD image, to get top used images. It is > possible? > > Regards > > Mateusz > > > > *From:* Jason Dillaman [mailto:jdill...@redhat.com] > *Sent:* Tuesday, July 17, 2018 3:29 PM > *To:* Mateusz Skala (UST, POL) <mateusz.sk...@ust-global.com> > *Cc:* ceph-users <ceph-users@lists.ceph.com> > *Subject:* Re: [ceph-users] Read/write statistics per RBD image > > > > Yes, you just need to enable the "admin socket" in your ceph.conf and then > use "ceph --admin-daemon /path/to/image/admin/socket.asok perf dump". > > > > On Tue, Jul 17, 2018 at 8:53 AM Mateusz Skala (UST, POL) < > mateusz.sk...@ust-global.com> wrote: > > Hi, > > It is possible to get statistics of issued reads/writes to specific RBD > image? Best will be statistics like in /proc/diskstats in linux. > > Regards > > Mateusz > > _______________________________________________ > ceph-users mailing list > ceph-users@lists.ceph.com > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > > > > > -- > > Jason > > > > > -- > > Jason > -- Jason
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