13 Nov
2020
13 Nov
'20
4:58 p.m.
Hi!
To bill our customers we regularly call radosgw-admin bucket stats --uid <uid>.
Since upgrading from Mimic to Octopus (with a short stop at Nautilus), we’ve been seeing
much slower response times for this command.
It went from less than a minute for our largest customers, to 5 minutes (with some
variance depending on load).
Assuming this is not a bug, is there any way to get these stats quicker?
Ceph seems to do in a single call here, which seems to me like something you could spread
out over time (keep a counter somewhere and just return the latest value on request).
One thing we did notice, is that we get a lot of these when the stats are synced:
2020-11-13T14:56:17.288+0100 7f15347e0700 0 check_bucket_shards: resharding needed:
stats.num_objects=5776982 shard max_objects=3200000
Could that hint at a problem in our configuration?
Anything else we could maybe tune to get this time down?
Appreciate any hints and I hope everyone is about to have a great weekend.
Denis