FWIW https://github.com/ceph/ceph/blob/master/doc/dev/osd_internals/backfill_reservation.rst has some discussion of op priorities, though client ops aren’t mentioned explicitly. If you like, enter a documentation tracker and tag me and I’ll look into adding that. > On Dec 2, 2020, at 9:56 AM, Stefan Kooman <stefan@xxxxxx> wrote: > > On 12/2/20 5:36 PM, Seena Fallah wrote: >> If it uses PriorityQueue <https://en.wikipedia.org/wiki/Priority_queue#:~:text=In%20computer%20science%2C%20a%20priority,an%20element%20with%20low%20priority.> Data Structure an element with high priority should be dequeued before an element with low priority. > > - osd client op priority > The priority set for client operations. It is relative to osd recovery op priority. > > The op priority for client io is (default) 63. So with that regard a lower value should be lower priority. Same as the PriorityQueue you linked. > > A simple example would be a great way to take out any confusion. I'll try to attend a "Docubetter" meeting to discuss this. > > Gr. Stefan > _______________________________________________ > ceph-users mailing list -- ceph-users@xxxxxxx > To unsubscribe send an email to ceph-users-leave@xxxxxxx _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx
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