Re: [ceph-users] Snap delete performance impact

2016-09-23 Thread Nick Fisk
t; > > > > -Original Message- > > From: ceph-users [mailto:ceph-users-boun...@lists.ceph.com] On Behalf > > Of Adrian Saul > > Sent: Thursday, 22 September 2016 7:15 PM > > To: n...@fisk.me.uk <mailto:n...@fisk.me.uk> ; ceph-users@lists.ce

Re: [ceph-users] Snap delete performance impact

2016-09-23 Thread Adrian Saul
heers, > Adrian > > > > > > > > -Original Message- > > From: ceph-users [mailto:ceph-users-boun...@lists.ceph.com] On Behalf > > Of Adrian Saul > > Sent: Thursday, 22 September 2016 7:15 PM > > To: n...@fisk.me.uk; ceph-users@lists.

Re: [ceph-users] Snap delete performance impact

2016-09-23 Thread Nick Fisk
at the service times would > blow out that much. > > Cheers, > Adrian > > > > > > > > -Original Message- > > From: ceph-users [mailto:ceph-users-boun...@lists.ceph.com] On Behalf > > Of Adrian Saul > > Sent: Thursday, 22 September

Re: [ceph-users] Snap delete performance impact

2016-09-23 Thread Adrian Saul
much. Cheers, Adrian > -Original Message- > From: ceph-users [mailto:ceph-users-boun...@lists.ceph.com] On Behalf Of > Adrian Saul > Sent: Thursday, 22 September 2016 7:15 PM > To: n...@fisk.me.uk; ceph-users@lists.ceph.com > Subject: Re: [ceph-users] Snap delete

Re: [ceph-users] Snap delete performance impact

2016-09-22 Thread Adrian Saul
Of Adrian Saul > > Sent: 22 September 2016 05:19 > > To: 'ceph-users@lists.ceph.com' > > Subject: Re: [ceph-users] Snap delete performance impact > > > > > > Any guidance on this? I have osd_snap_trim_sleep set to 1 and it > > seems to have tem

Re: [ceph-users] Snap delete performance impact

2016-09-22 Thread Nick Fisk
owly would be a good addition. Have you tried that value set to higher than 1, maybe 10? Nick > -Original Message- > From: ceph-users [mailto:ceph-users-boun...@lists.ceph.com] On Behalf Of > Adrian Saul > Sent: 22 September 2016 05:19 > To: 'ceph-users@lists.ceph.com&#

Re: [ceph-users] Snap delete performance impact

2016-09-21 Thread Adrian Saul
Any guidance on this? I have osd_snap_trim_sleep set to 1 and it seems to have tempered some of the issues but its still bad enough that NFS storage off RBD volumes become unavailable for over 3 minutes. It seems that the activity which the snapshot deletes are actioned triggers massive disk