I upgraded this weekend from 12.2.8 to 12.2.10 without such issues (osd's are idle) -----Original Message----- From: Stefan Priebe - Profihost AG [mailto:s.priebe@xxxxxxxxxxxx] Sent: 15 January 2019 10:26 To: ceph-users@xxxxxxxxxxxxxx Cc: n.fahldieck@xxxxxxxxxxxx Subject: Re: slow requests and high i/o / read rate on bluestore osds after upgrade 12.2.8 -> 12.2.10 Hello list, i also tested current upstream/luminous branch and it happens as well. A clean install works fine. It only happens on upgraded bluestore osds. Greets, Stefan Am 14.01.19 um 20:35 schrieb Stefan Priebe - Profihost AG: > while trying to upgrade a cluster from 12.2.8 to 12.2.10 i'm experience > issues with bluestore osds - so i canceled the upgrade and all bluestore > osds are stopped now. > > After starting a bluestore osd i'm seeing a lot of slow requests caused > by very high read rates. > > > Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s > avgrq-sz avgqu-sz await r_await w_await svctm %util > sda 45,00 187,00 767,00 39,00 482040,00 8660,00 > 1217,62 58,16 74,60 73,85 89,23 1,24 100,00 > > it reads permanently with 500MB/s from the disk and can't service client > requests. Overall client read rate is at 10.9MiB/s rd > > I can't reproduce this with 12.2.8. Is this a known bug / regression? > > Greets, > Stefan > _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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