[ceph-users] Re: [EXT] Re: mclock scheduler kills clients IOs

2024-09-19 Thread Justin Mammarella
We’re running Quincy 17.2.7 here, And we see the iops benchmark performed on osd start: 2024-09-20T09:57:26.265+1000 7facbdc64540 1 osd.196 2879010 maybe_override_max_osd_capacity_for_qos osd bench result - bandwidth (MiB/sec): 4.369 iops: 1118.445 elapsed_sec: 2.682 2024-09-20T09:57:26.265+100

[ceph-users] Re: [EXT] mclock scheduler kills clients IOs

2024-09-17 Thread Justin Mammarella
Hi Denis, We have had the same issue with MClock, and now switch back to WPQ when draining nodes. I couldn’t identify the cause of the slow-ops. Even with custom mclock tuning and 1 backfill per osd, it was still causing client io issues. From: Denis Polom Date: Tuesday, 17 September 2024 at