On Fri, Oct 9, 2020 at 3:12 PM Marc Roos <M.Roos@xxxxxxxxxxxxxxxxx> wrote: > > > > > > >1. The pg log contains 3000 entries by default (on nautilus). These > >3000 entries can legitimately consume gigabytes of ram for some > >use-cases. (I haven't determined exactly which ops triggered this > >today). > > How can I check how much ram my pg_logs are using? ceph daemon osd.x dump_mempools | jq .mempool.by_pool.osd_pglog > > > > -----Original Message----- > Cc: ceph-users > Subject: Re: another osd_pglog memory usage incident > > On 09.10.20 13:55, Dan van der Ster wrote: > [...] > > I also noticed a possible relationship with scrubbing -- One week ago > > we increased to osd_max_scrubs=5 to clear out a scrubbing backlog; I > > wonder if the increased read/write ratio somehow led to an exploding > > buffer_anon. Do things stabilize on your side if you temporarily > > disable scrubbing? > > During the worst periods, we had disabled scrubbing. When we re-enabled, > we had our write-job to mitigate the problems. And currently, scrub load > is low. So I cannot tell, but it is very plausible. > > Cheers > Harry > _______________________________________________ > ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an > email to ceph-users-leave@xxxxxxx > > _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx