[ceph-users] Re: Seriously degraded performance after update to Octopus

2020-11-04 Thread Martin Rasmus Lundquist Hansen
Thank you for the suggestion. It does indeed seem to explain why the OSD nodes are no longer using the Buffers for caching. Unfortunately, changing the value bluefs_buffered_io does not seem to make any difference in performance. I will keep looking for clues.

[ceph-users] Re: Seriously degraded performance after update to Octopus

2020-11-02 Thread Vladimir Prokofev
Just shooting in the dark here, but you may be affected by similar issue I had a while back, it was discussed here: https://lists.ceph.io/hyperkitty/list/ceph-users@ceph.io/thread/ZOPBOY6XQOYOV6CQMY27XM37OC6DKWZ7/ In short - they've changed setting bluefs_buffered_io to false in the recent

[ceph-users] Re: Seriously degraded performance after update to Octopus

2020-11-02 Thread Marc Roos
I am advocating already a long time for publishing testing data of some basic test cluster against different ceph releases. Just a basic ceph cluster that covers most configs and run the same tests, so you can compare just ceph performance. That would mean a lot for smaller companies that do