Comparison of FreeBSD/Linux TCP Throughput performance

O. Hartmann ohartman at
Sat Oct 17 14:17:04 UTC 2009

István wrote:
> I guess it is not only for netpipe, it is doing a pretty decent job changing
> the packet size checking the performance so finally you have an overview
> about the size, lag, bw
> I like! :)
> On Sat, Oct 17, 2009 at 11:15 AM, Adrian Chadd <adrian at> wrote:
>> 2009/10/16 István <leccine at>:
>>> I see.
>>> It shows that linux default setup is better.
>> .. being completely correct, it shows the linux default setup _for
>> netpipe_ is better on that particular hardware.
>> That identifies a few other variables which may need addressing. :)
>> Adrian

And maybe the wise can send out word of doing well on FreeBSD, so we can
choose a better setup with looking forward repeating the test under
'tuned' conditions? I'm willing to perform some tests within the next 4
weeks when our server hardware (Dell PowerEdge 1950-III with two
if_bge() NICs and 16GB RAM) changes OS from FreeBSD 8.0 to RedHat Linux.
In a time-window of about a week I might be capable of testing FreeBSD
8.0 as it would be that time by the mid of November with a setup of
Linux (distro doesn't matter as I can choose). I need to know WHAT,
WHERE and HOW. Thanks.


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