Hi, Nick Thank you for the answer! It's still unclear for me, do those options have no effect at all? Or disk thread is used for some other operations? 09.11.2017, 04:18, "Nick Fisk" <nick@xxxxxxxxxx>: >> -----Original Message----- >> From: ceph-users [mailto:ceph-users-bounces@xxxxxxxxxxxxxx] On Behalf Of >> ??????? ??????? >> Sent: 08 November 2017 16:21 >> To: ceph-users@xxxxxxxxxxxxxx >> Subject: Recovery operations and ioprio options >> >> Hello, >> 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". > > What I >> 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 > throttle them. > >> Do these options affect recovery operations? >> Are there any other operations in "disk thread", except scrubbing and > > snap- >> trimming? >> >> -- >> Regards, >> Aleksei Zakharov >> _______________________________________________ >> ceph-users mailing list >> ceph-users@xxxxxxxxxxxxxx >> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com -- Regards, Aleksei Zakharov _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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