Hi,
I’m experiencing the same symptoms as OP.
We’re running Ceph Octopus 15.2.1 with RGW, and have seen on multiple occasions the bucket
index pool go up to 500MB/s read throughput / 100K read IOPS.
Our logs during this time are flooded with these entries:
2020-06-09T07:11:18.070+0200 7f2676efd700 1 RGWRados::Bucket::List::list_objects_ordered
INFO ordered bucket listing requires read #1
When I set the debug_rgw logs to "20/1", the issue disappears immediately, and
the throughput for the index pool goes back down to normal levels.
I’ve not actually tried reproducing the issue myself as I assumed the problem was with the
S3 client, but maybe this is a bug on the RGW side…
Our bucket index pool is running on the same HDDs as the data pool, no separate SSDs like
OP.
Regards,
James
On 12 Jun 2020, at 02:22, swild(a)tiltworks.com wrote:
Not seeing anything in OSD logs after triggering a listing, just heartbeat entries.
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