Does compression on zfs pool affect performance? .......WAS, Re: Silicon Image SiI 3124 and 3132 RAID controllers

[Dan Nelson]

In the last episode (Mar 11), Leslie Jensen said:
> The solution for me was to create a raidz which gave me the same amount of
> space.  Now I wonder, should I enable compression?  Will it affect
> performance?

The default lzjb compression is very fast and won't consume much CPU.  If
you have lots of easily-compressabe data it should improve performance.
 
> Later I want to share this pool with SAMBA. Will SAMBA see the pool as a
> filesystem?

I don't think Samba cares about the filesystem layout, since it's a userland
daemon.

-- 
	Dan Nelson
	dnelson at allantgroup.com