9.6Gbps served using LVS-DR

To: lvs-users@xxxxxxxxxxxxxxxxxxxxxx
Subject: 9.6Gbps served using LVS-DR
Cc: Dan Yocum <yocum@xxxxxxxx>
From: Horms <horms@xxxxxxxxxxxx>
Date: Thu, 24 Nov 2005 12:52:44 +0900

This information comes from Dan Yocum, slightly reformated and forwarded
with permission.

Note that while the cluster was pushing 9.6Gbps, the linux director was
doing a negilgable ammount of work, which seems to indicate that LVS
could push a great deal more traffic given sufficient real-servers and


----- Forwarded message from Dan Yocum -----

Horms wrote:
> On Mon, Nov 21, 2005 at 01:51:27PM -0600, Dan Yocum wrote:
> > Horms,
> >
> > Just a quick update on the LVS-DR server I used for for our bandwidth 
> > challenge last week at SuperComputing:  The director saw an increase of 
> > around 120Kbps when we ran our bandwidth challenge tests.  At times the 
> > aggregate bandwidth out of the 21 real servers was around 9.6Gbps, so 
> > the amount of traffic on the director was negligible.  There were 41 
> > clients grabbing the data from the servers, each machine ran a gridftp 
> > client with 16 parallel streams.  Packet size was standard (1500), so no 
> > jumbo frames.
> >
> > The URL for the mrtg graphs are here:
> >
> >
> >
> > The test occurred on Wed of last week in the last half of the day.
> That is awsome, can I pass this information onto lvs-users?
> (Unfounately its a closed list)

Sure, no problem.  One of the BWC participants put a page up here if 
you're interested in the details of the other participants:

----- End forwarded message -----

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