On 18-06-06 01:57 PM, Grigory Murashov wrote:
Hello cephers!
I have luminous 12.2.5 cluster of 3 nodes 5 OSDs each with S3 RGW. All OSDs
are HDD.
I often (about twice a day) have slow request problem which reduces cluster
efficiency. It can be started both in day peak and night time. Doesn't matter.
That's what I have in ceph health detail
https://avatars.mds.yandex.net/get-pdb/234183/9ba023d0-4352-4235-8826-76b412016e9f/s1200
[..]
Since it starts in any time but twice a day and for fixed period of time I
assume it could be some recovery or rebalancing operations.
I tried to find smth out in osd logs but there are nothing about it.
Any thoughts how to avoid it?
Have you tried disabling scrub and deep scrub?
--
Piotr Dałek
piotr.da...@corp.ovh.com
https://www.ovhcloud.com
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