Revisit Large OMAP Objects

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All;

We run 2 Nautilus clusters, with RADOSGW replication (14.2.11 --> 14.2.16).

Initially our bucket grew very quickly, as I was loading old data into it and we quickly ran into Large OMAP Object warnings.

I have since done a couple manual reshards, which has fixed the warning on the primary cluster.  I have never been able to get rid of the issue on the cluster with the replica.

I prior conversation on this list led me to this command:
radosgw-admin reshard stale-instances list --yes-i-really-mean-it

The results of which look like this:
[
    "nextcloud-ra:f91aeff8-a365-47b4-a1c8-928cd66134e8.185262.1",
    "nextcloud:f91aeff8-a365-47b4-a1c8-928cd66134e8.53761.6",
    "nextcloud:f91aeff8-a365-47b4-a1c8-928cd66134e8.53761.2",
    "nextcloud:f91aeff8-a365-47b4-a1c8-928cd66134e8.53761.5",
    "nextcloud:f91aeff8-a365-47b4-a1c8-928cd66134e8.53761.4",
    "nextcloud:f91aeff8-a365-47b4-a1c8-928cd66134e8.53761.3",
    "nextcloud:f91aeff8-a365-47b4-a1c8-928cd66134e8.53761.1",
    "3520ae821f974340afd018110c1065b8/OS Development:f91aeff8-a365-47b4-a1c8-928cd66134e8.4298264.1",
    "10dfdfadb7374ea1ba37bee1435d87ad/volumebackups:f91aeff8-a365-47b4-a1c8-928cd66134e8.4298264.2",
    "WorkOrder:f91aeff8-a365-47b4-a1c8-928cd66134e8.44130.1"
]

I find this particularly interesting, as nextcloud-ra, <swift>/OS Development, <swift>/volumbackups, and WorkOrder buckets no longer exist.

When I run:
for obj in $(rados -p 300.rgw.buckets.index ls | grep f91aeff8-a365-47b4-a1c8-928cd66134e8.3512190.1);   do   printf "%-60s %7d\n" $obj $(rados -p 300.rgw.buckets.index listomapkeys $obj | wc -l);   done

I get the expected 64 entries, with counts around 20000 +/- 1000.

Are the above listed stale instances ok to delete?  If so, how do I go about doing so?

Thank you,

Dominic L. Hilsbos, MBA 
Director - Information Technology 
Perform Air International Inc.
DHilsbos@xxxxxxxxxxxxxx 
www.PerformAir.com

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