Hi Christoph,
can you send me the ceph config set ... command you used and/or the ceph
config dump output?
Regards, Joachim
Clyso GmbH
Homepage: https://www.clyso.com
Am 05.05.2021 um 16:30 schrieb Christoph Adomeit:
I manage a historical cluster of severak ceph nodes with each 128 GB Ram and 36 OSD each 8 TB size.
The cluster ist just for archive purpose and performance is not so important.
The cluster was running fine for long time using ceph luminous.
Last week I updated it to Debian 10 and Ceph Nautilus.
Now I can see that the memory usage of each osd grows slowly to 4 GB each and once the system has
no memory left it will oom-kill processes
I have already configured osd_memory_target = 1073741824 .
This helps for some hours but then memory usage will grow from 1 GB to 4 GB per OSD.
Any ideas what I can do to further limit osd memory usage ?
It would be good to keep the hardware running some more time without upgrading RAM on all
OSD machines.
Any Ideas ?
Thanks
Christoph
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