Skip site navigation (1)Skip section navigation (2)
Date:      Fri, 7 Dec 2012 11:41:30 -0800
From:      Freddie Cash <fjwcash@gmail.com>
To:        Tim Gustafson <tjg@soe.ucsc.edu>
Cc:        FreeBSD Filesystems <freebsd-fs@freebsd.org>
Subject:   Re: zfs list slow
Message-ID:  <CAOjFWZ7VuQFherggJvfUnPxfP=PT4SrhR_2Ge4J%2BAHeOffcWSw@mail.gmail.com>
In-Reply-To: <CAG27QgRWQdT8uCL_ydHw9c7FXeWXq1fXiAb1yRqp=_7TCjo4tg@mail.gmail.com>
References:  <CAG27QgRWQdT8uCL_ydHw9c7FXeWXq1fXiAb1yRqp=_7TCjo4tg@mail.gmail.com>

next in thread | previous in thread | raw e-mail | index | archive | help
Pawel committed a fix for snapshot listing that greatly sped up the listing
when using "-o name".  I believe it was in 9-STABLE after 9.0 was released,
so you would need to upgrade to 9.1 to get the fix.

There should be an announcement/CFT for it in the freebsd-fs archives.


On Fri, Dec 7, 2012 at 10:46 AM, Tim Gustafson <tjg@soe.ucsc.edu> wrote:

> We're running zpool version 28, and zfs version 5, on a FreeBSD
> 9.0-RELEASE-p4 box.
>
> I'm trying to get a list of all snapshots in my zpool, like this:
>
> /sbin/zfs list -H -r -t snapshot -o name -s name tank
>
> We have about 2,000 file systems, and each of those has perhaps a
> dozen snapshots.  This command currently takes about 5 minutes to run
> the first time.  If you run it again immediately, it goes much quicker
> - perhaps a few seconds.  But if you change any of the zpool
> configuration (like creating a new snapshot, or a new file system),
> the command takes about 5 minutes to run again.
>
> Is there any way to speed up the listing of all local snapshots?
>
> --
>
> Tim Gustafson
> tjg@soe.ucsc.edu
> 831-459-5354
> Baskin Engineering, Room 313A
> _______________________________________________
> freebsd-fs@freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-fs
> To unsubscribe, send any mail to "freebsd-fs-unsubscribe@freebsd.org"
>



-- 
Freddie Cash
fjwcash@gmail.com



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?CAOjFWZ7VuQFherggJvfUnPxfP=PT4SrhR_2Ge4J%2BAHeOffcWSw>