nthreads set to 256

1. ZFS, atime=off, HW raid-10 24 disks

   IO Summary:      1545154 ops 25594.2 ops/s, (3935/3939 r/w) 122.7mb/s,    
288us cpu/op,  20.0ms latency

2. UFS, noatime, HW raid-10 24 disks

   IO Summary:      716377 ops 11862.4 ops/s, (1823/1826 r/w)  56.1mb/s,    
432us cpu/op,  23.2ms latency

So looks like the more concurency the better ZFS is comparing to UFS.
 
 
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