[Bioclusters] gigabit ethernet performance

[Joe Landman]

Jon Bernard wrote:

> Something like
>
> pax -w | ssh somehost 'pax -r'
>
> has the same effect as scp, but transfers files much more quickly.


Thats odd, as scp and ssh both share the same encryption engines, and 
encrypt all traffic.  May I ask how you measured this?

>
> My quick testing has also shown pax to be somewhat faster than tar in 
> this case.
>
> Jon Bernard
>
> Peng Chen wrote:
>
>> Surprisingly, the SCP performance is heavily bound to CPU power. In 
>> the following table we compared performance among four different 
>> machines. Note that this is NOT benchmark, we use this table only to 
>> understand where is the bottleneck.
>
>
>
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-- 
Joseph Landman, Ph.D
Scalable Informatics LLC,
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