>>> We have been using: >>> >>> osd op queue = wpq >>> osd op queue cut off = high >>> >>> It virtually eliminates the impact of backfills on our clusters. Our > > It does better because it is a fair share queue and doesn't let recovery > ops take priority over client ops at any point for any time. It allows > clients to have a much more predictable latency to the storage. Why aren’t these default settings then? Those who set these: do you run with them all the time, or only while expanding? Is peering still impactful? — aad _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com