[Query] Safe to discard bucket lock objects in reshard pool?

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Dear Ceph users,

We have a slightly dated version of Luminous cluster in which dynamic
bucket resharding was accidentally enabled due to a misconfig (we don't use
this feature since the number of objects per bucket is capped).

This resulted in creation of the RGW reshard pool with lots of bucket
reshard lock objects (we have thousands of buckets) which is leading to
clutter. Also, we've run into a malloc failure issue (similar to
https://tracker.ceph.com/issues/21826 but not the same since we already use
tcmalloc) on the OSDs in which these reshard lock objects are located and
we'd like to reduce the objects that have to be copied out.

My question to the community is: "Is it safe to discard the bucket reshard
lock objects if we know that we'll never use the reshard feature on the
cluster again?".

The RGWs performed resharding several months ago due to a misconfiguration
and we already have stale bucket instances which are due for cleanup on
this cluster.

Thanks,
Prasad Krishnan

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