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[Peter Zaitsev <pz@xxxxxxxxxxx>]

Yasufumi,

We  can  check  it...  Though  with  large enough buffer you should be
right, unless device is so fast reads run out of CPU

Though  compressing  and  streaming  to network often can improve from
concurrency.

Sunday, March 15, 2009, 5:28:43 PM, you wrote:

> How effective the parallel copy is?
> I think it may be slower than 1 thread copy in normal cases. (using
> HDD or RAID of direct connection).




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