Thanks for the hint.
I tryed but it doesn't seems to change anything...
Moreover, as the osds seems quite loaded I had regularly some osd marked
down which triggered some new peering and thus more load !!!
I set the osd no down flag, but I still have some osd reported (wrongly)
as down (and back up in the minute) which generate peering and
remapping. I don't really understand the action of no down parameter !
Is there a way to tell ceph not to peer immediately after an osd is
reported down (let say wait for 60s) ?
I am thinking about restarting all osd (or maybe the whole cluster) to
get osd_op_queue_cut_off changed to high and osd_op_thread_timeout to
something higher than 15 (but I don't think it will really improve the
situation).
F.
Le 25/06/2020 à 14:26, Wout van Heeswijk a écrit :
Hi Francois,
Have you already looked at the option "osd_delete_sleep"? It will not
speed up the process but I will give you some control over your
cluster performance.
Something like:
ceph tell osd.\* injectargs '--osd_delete_sleep1'
kind regards,
Wout
42on
On 25-06-2020 09:57, Francois Legrand wrote:
Does someone have an idea ?
F.
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