[ceph-users] Recovery operations and ioprio options
nick at fisk.me.uk
Wed Nov 8 13:18:24 PST 2017
> -----Original Message-----
> From: ceph-users [mailto:ceph-users-bounces at lists.ceph.com] On Behalf Of
> ??????? ???????
> Sent: 08 November 2017 16:21
> To: ceph-users at lists.ceph.com
> Subject: [ceph-users] Recovery operations and ioprio options
> Today we use ceph jewel with:
> osd disk thread ioprio class=idle
> osd disk thread ioprio priority=7
> and "nodeep-scrub" flag is set.
> We want to change scheduler from CFQ to deadline, so these options will
> lose effect.
> I've tried to find out what operations are performed in "disk thread".
> found is that only scrubbing and snap-trimming operations are performed in
> "disk thread".
In jewel those operations are now in the main OSD thread and setting the
ioprio's will have no effect. Use the scrub and snap trim sleep options to
> Do these options affect recovery operations?
> Are there any other operations in "disk thread", except scrubbing and
> Aleksei Zakharov
> ceph-users mailing list
> ceph-users at lists.ceph.com
More information about the ceph-users