[ceph-users] Re: Backfill Performance for

2023-08-08 Thread Josh Baergen
Hi Jonathan, > - All PGs seem to be backfilling at the same time which seems to be in > violation of osd_max_backfills. I understand that there should be 6 readers > and 6 writers at a time, but I'm seeing a given OSD participate in more > than 6 PG backfills. Is an OSD only considered as backfill

[ceph-users] Puzzle re 'ceph: mds0 session blocklisted"

2023-08-08 Thread Harry G Coin
Can anyone help me understand seemingly contradictory cephfs error messages? I have a RHEL ceph client that mounts a cephfs file system via autofs.  Very typical.  After boot, when a user first uses the mount, for example 'ls /mountpoint' , all appears normal to the user.  But on the system co

[ceph-users] Re: MDS stuck in rejoin

2023-08-08 Thread Frank Schilder
Dear Xiubo, the nearfull pool is an RBD pool and has nothing to do with the file system. All pools for the file system have plenty of capacity. I think we have an idea what kind of workload caused the issue. We had a user run a computation that reads the same file over and over again. He starte

[ceph-users] Ceph bucket notification events stop working

2023-08-08 Thread daniel . yordanov1
Hello, We started to use the Ceph bucket notification events with subscription to an HTTP endpoint. We encountered an issue when the receiver endpoint was changed. Which means the events from Ceph weren't consumed. We deleted the bucket notifications and the topic, and created a new topic wit