zfs meta data slowness

2020-07-19 Thread mike tancsa
Are there any tweaks that can be done to speed up or improve zfs metadata performance ? I have a backup server with a lot of snapshots (40,000)  and just doing a listing can take a great deal of time.  Best case scenario is about 24 seconds, worst case, I have seen it up to 15 minutes.  (FreeBSD 12

Re: svn commit: r362848 - in stable/12/sys: net netinet sys

2020-07-19 Thread Konstantin Belousov
On Sun, Jul 19, 2020 at 09:21:02PM +1000, Peter Jeremy wrote: > I'm sending this to -stable, rather than the src groups because I > don't believe the problem is the commit itself, rather the commit > has uncovered a latent problem elsewhere. > > On 2020-Jul-01 18:03:38 +, Michael Tuexen wrote

Re: svn commit: r362848 - in stable/12/sys: net netinet sys

2020-07-19 Thread Peter Jeremy
I'm sending this to -stable, rather than the src groups because I don't believe the problem is the commit itself, rather the commit has uncovered a latent problem elsewhere. On 2020-Jul-01 18:03:38 +, Michael Tuexen wrote: >Author: tuexen >Date: Wed Jul 1 18:03:38 2020 >New Revision: 362848