On 07-09-2023 19:20, J-P Methot wrote:
We went from 16.2.13 to 16.2.14
Also, timeout is 15 seconds because it's the default in Ceph. Basically,
15 seconds before Ceph shows a warning that OSD is timing out.
We may have found the solution, but it would be, in fact, related to
bluestore_allocator and not the compaction process. I'll post the actual
resolution when we confirm 100% that it works.
I'm very curious about what comes out of this, so yeah, please share
your findings. We have re-provisioned our cluster past couple months,
and have kept the "bitmap" allocator for bluestore (non-default). We
have one OSD running hybrid for comparison. We want to see if there are
any (big) differences in fragmentation over time between the two.
Gr. Stefan
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