[ceph-users] Re: Very high read IO during backfilling

2020-10-30 Thread Frank Schilder
Are you a victim of bluefs_buffered_io=false: https://www.mail-archive.com/ceph-users@ceph.io/msg05550.html ? Best regards, = Frank Schilder AIT Risø Campus Bygning 109, rum S14 From: Kamil Szczygieł Sent: 27 October 2020 21:39:22 To:

[ceph-users] Re: Very high read IO during backfilling

2020-10-29 Thread Eugen Block
Hi, you could lower the recovery settings to the default and see if that helps: osd_max_backfills = 1 osd_recovery_max_active = 3 Regards, Eugen Zitat von Kamil Szczygieł : Hi, We're running Octopus and we've 3 control plane nodes (12 core, 64 GB memory each) that are running mon, mds