> -----Original Message-----
> From: Dan van der Ster [mailto:d...@vanderster.com]
> Sent: 19 September 2016 12:11
> To: Nick Fisk <n...@fisk.me.uk>
> Cc: ceph-users <ceph-users@lists.ceph.com>
> Subject: Re: [ceph-users] RBD Snapshots and osd_snap_trim_sleep
> 
> Hi Nick,
> 
> I assume you had osd_snap_trim_sleep > 0 when that snapshot was being 
> deleted? I ask because we haven't seen this problem, but
> use osd_snap_trim_sleep = 0.1
> 
> -- Dan


Hi Dan,

I only found that setting post deletion as I was searching to find out if there 
is a way to throttle it, so it's still set at its default of 0. I will try 0.1 
and see if that stops it happening again.

Thanks,
Nick

> 
> 
> On Mon, Sep 19, 2016 at 11:20 AM, Nick Fisk <n...@fisk.me.uk> wrote:
> > Hi,
> >
> > Does the osd_snap_trim_sleep throttle effect the deletion of RBD snapshots?
> >
> > I've done some searching but am seeing conflicting results on whether this 
> > only effects RADOS pool snapshots.
> >
> > I've just deleted a snapshot which comprised of somewhere around 150k
> > objects and it brought the cluster down to its knees and even caused 
> > several OSD's to suicide. Would be nice if I could slow the
> process down somehow.
> >
> > Thanks,
> > Nick
> >
> > _______________________________________________
> > ceph-users mailing list
> > ceph-users@lists.ceph.com
> > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com

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