Re: OSD crash after change of osd_memory_target

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Dne út 21. 1. 2020 17:09 uživatel Stefan Kooman <stefan@xxxxxx> napsal:
Quoting Martin Mlynář (nexus+ceph@xxxxxxxxxx):

>
> When I remove this option:
> # ceph config rm osd osd_memory_target
>
> OSD starts without any trouble. I've seen same behaviour when I wrote
> this parameter into /etc/ceph/ceph.conf
>
> Is this a known bug? Am I doing something wrong?

I wonder if they would still crash if the OSD would drop their caches
beforehand. There is support for this in master, but it doesn't look
like it's backported to nautilus: https://tracker.ceph.com/issues/24176

Gr. Stefan

Do you think this could help? OSD does not even start, I'm getting a little lost how flushing caches could help. 

According to trace I suspect something around processing config values. 




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