Lowering Ceph scrub I/O priority
using version 0.80.8 +
The disk I/O of a Ceph OSD thread scrubbing is the same as all other threads by default. It can be lowered with ioprio options for all OSDs with:
*in ceph.conf
*set now:
see per http://dachary.org/?p=3268
using version 0.80.8 +
The disk I/O of a Ceph OSD thread scrubbing is the same as all other threads by default. It can be lowered with ioprio options for all OSDs with:
*in ceph.conf
Code:
osd_disk_thread_ioprio_class = idle
osd_disk_thread_ioprio_priority = 7
Code:
ceph tell osd.* injectargs '--osd_disk_thread_ioprio_priority 7'
ceph tell osd.* injectargs '--osd_disk_thread_ioprio_class idle'
see per http://dachary.org/?p=3268
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