In Ceph version 17.2.5, a notable performance drop is observed when executing
list operations on non-existent objects, especially for large buckets
undergoing high concurrency with frequent updates.
For the context, initiating concurrent PUT/DELETE/LIST operations on 4 buckets,
each containing
On Quincy:
The zone-group policy has the same problem. with a similar setup. Way to
reproduce:
- Setup 3-way symmetrical replication on zone-group level
- Switch zone-group to 'allowed' (zones are not in sync).
- Add content to the detached zone(s)
- Switch it back to 'enabled' (3-way symmetri
playing with MULTI-SITE zones for CEPH Object Gateway
ceph version: 17.2.5
my setup: 3 zone multi-site; 3-way full sync mode;
each zone has 3 machines -> RGW+MON+OSD
running load test: 3000 concurrent uploads of 1M object
after about 3-4 minutes of load RGW machine get stuck, on 2 zone out of
