On 3/27/2023 12:19 PM, Boris Behrens wrote:
Nonetheless the IOPS the bench command generates are still VERY low
compared to the nautilus cluster (~150 vs ~250). But this is something I
would pin to this bug:https://tracker.ceph.com/issues/58530
I've just run "ceph tell bench" against main, octopus and nautilus
branches (fresh osd deployed with vstart.sh) - I don't see any
difference between releases - sata drive shows around 110 IOPs in my case..
So I suspect some difference between clusters in your case. E.g. are you
sure disk caching is off for both?
@Igor do you want to me to update the ticket with my findings and the logs
from pastebin?
Feel free to update if you like but IMO we still lack the understanding
what was the trigger for perf improvements in you case - OSD
redeployment, disk trimming or both?
--
Igor Fedotov
Ceph Lead Developer
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