Hello,
It occurs when enabling quotas on a volume. When there are a
lot of snapshots that are deleted, the system becomes extremely
unresponsive (IO often waiting for 30s on a SSD). When I don't have
quotas, removing snapshots is fast.
Same problem here. It is now common knowledge in the list that qgroups
cause performance problems. I try to avoid deleting many snapshots at
once because of this.
--
With Best Regards,
Marat Khalili
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