Hi Cephers. I'm looking for solution to scrubbing process optimization. In our environment this process make big impact on performance. For monitoring disks we are using monitorix. If process running 'Disk I/O activity (R+W)' shows 20-60 reads+writes per second. After disabling scrub and deep-scrub process this values goes to 0-40reads+write. It makes difference in performance.
Ceph config settings: ceph --admin-daemon /var/run/ceph/ceph-osd.1.asok config show | grep ioprio "osd_disk_thread_ioprio_class": "idle", "osd_disk_thread_ioprio_priority": "7", All disks have cfq scheduler enabled. Cluster have 6 servers, 5 monitors, 4-6 osd per server + 1 ssd for journal in each server. Maybe can I set some other config options to reduce impact of scrubbing process? In attachment screen from monitorix (srubbing disabled in 27 week). Best Regards, Mateusz
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