On 18/03/10 08:36 PM, Kashif Mumtaz wrote:
Hi,
I did another test on both machine. And write performance on ZFS extraordinary 
slow.

Which build are you running?

On snv_134, 2x dual-core cpus @ 3GHz and 8Gb ram (my desktop), I
see these results:


$ time dd if=/dev/zero of=test.dbf bs=8k count=1048576
1048576+0 records in
1048576+0 records out

real    0m28.224s
user    0m0.490s
sys     0m19.061s

This is a dataset on a straight mirrored pool, using two SATA2
drives (320Gb Seagate).

$ time dd if=test.dbf bs=8k of=/dev/null
1048576+0 records in
1048576+0 records out

real    0m5.749s
user    0m0.458s
sys     0m5.260s


James C. McPherson
--
Senior Software Engineer, Solaris
Sun Microsystems
http://www.jmcp.homeunix.com/blog
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