ZFS/compression/performance

[Bob Friesenhahn]

On Fri, 14 Oct 2011, Jeremy Chadwick wrote:
>
> I will try to find a Solaris 10 test system at work later today and
> tinker with compression there to see if it behaves the same, but given
> what Bob described below I'm doubting it will:
>
> http://lists.freebsd.org/pipermail/freebsd-fs/2011-October/012726.html

It needs to be a new enough Solaris 10 release.  Perhaps U8 or U8 plus 
a kernel patch.

If you run 'prstat' you will see at least one 'zpool-poolname' thread 
per pool.  I notice that these are all priority 99 (very high) on my 
system while it is idle.

Bob
-- 
Bob Friesenhahn
bfriesen at simple.dallas.tx.us, http://www.simplesystems.org/users/bfriesen/
GraphicsMagick Maintainer,    http://www.GraphicsMagick.org/