Hi Everyone,
I've found through a bit of digging that if I use the reshard
stale-instances list I get entries of this form (bucket name is
"bstor08")
bstor08:2efbe9f5-7b36-4290-a370-52f57c6353c7.2708501101.618772
I know that this particular bucket is junk left over from an automated
system as per above so I'd like to clean them up.
I can do a metadata get on this:
radosgw-admin metadata get
bucket.instance:bstor08:2efbe9f5-7b36-4290-a370-52f57c6353c7.2708501101.618772
and therefore also a metadata rm:
radosgw-admin metadata rm
bucket.instance:bstor08:2efbe9f5-7b36-4290-a370-52f57c6353c7.2708501101.618772
After doing this I re-run the stale-instances list and that instance
is gone from the list so that looks promising.
Checking the code, it looks like the stale-instance delete/rm also
does an instance purge before the metadata remove, so above is
possibly half right:
int ret = bucket->purge_instance(dpp, y);
if (ret == 0){
auto md_key = "bucket.instance:" +
binfo.bucket.get_key();
ret = driver->meta_remove(dpp, md_key, y);
}
Is anyone able to tell me if there's a radosgw-admin command to do the
instance purge part? I couldn't see anything when I was digging around
but I've probably missed something obvious.
Thanks,
Rich
On Mon, 17 Mar 2025 at 17:49, Richard Bade <hitr...@gmail.com> wrote:
>
> Hi Everyone,
> We've just completed undoing multisite to bring us back down to a
> single zone/site. Now I'm working through cleaning things up. Heads
> up, I'll probably have a few more questions over the next couple of
> weeks :)
> Firstly though, regarding "radosgw-admin reshard stale-instances
> list". This brings back a decent list mostly of some test buckets that
> were being deleted and recreated by an automated system. This has left
> over 150k stale instances for each of three buckets. I know these ones
> will be fine to delete as even if it messes up the bucket I can delete
> and re-create them.
> So my question is, how do I clean these up without using the big
> hammer "radosgw-admin reshard stale-instances delete" to remove all of
> them which would include some production buckets that I'm not quite
> sure how to verify are stale?
> Another thought that I had is maybe if I were to reshard all the
> buckets up to the next prime now that we're on single zone would that
> guarantee that all the stale instances are actually stale?
> Any thoughts and tips would be much appreciated.
>
> Thanks,
> Rich
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