Timothy J Massey wrote at about 12:54:35 -0400 on Monday, September 17, 2012:
 > I have several very similar configurations.  Here's an example:
 > 
 > Atom D510 (1.66GHz x 2 Cores)
 > 4GB RAM
 > CentOS 6 64-bit
 > 4 x 2TB Seagate SATA drives in RAID-6 configuration
 >         I get almost 200 MB/s transfer rate from this array...
 > 2 x Intel e1000 NICs in bonded mode.
 > 

I snipped out most of Tim's original post because it seems that nobody
has referenced the fact that he is using pretty low powered
chips. Certainly, I could understand how compression would be slow on
these chips and could be the rate limiting steps.

Tom's Hardware benchmarked the Atom D510 against circa year 2000
Pentium 4 single core processors and found that for non-multithreaded
programs that don't take advantage of new instruction set
enhancements, they are pretty equivalent.

So, I wouldn't be surprised if the problem is using a "netbook"
category performance processor to perform a computationally intensive
server-type job...

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