That's indeed the case: # ceph config get osd osd_op_queue mclock_scheduler Thank you very much for this tip, I'll play with mclock parameters. On 05/10/22 13:11, Janne Johansson wrote:
# ceph tell osd.2 config get osd_max_backfills { "osd_max_backfills": "1000" } makes little sense to me.This means you have the mClock IO scheduler, and it gives back this value since you are meant to change the mClock priorities and not the number of backfills. Some more info at https://docs.ceph.com/en/quincy/rados/configuration/osd-config-ref/#dmclock-qos
-- Nicola Mori, Ph.D. INFN sezione di Firenze Via Bruno Rossi 1, 50019 Sesto F.no (Italy) +390554572660 mori@xxxxxxxxxx
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