Re: [lvs-users] LVS-DR capacity planning

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Subject: Re: [lvs-users] LVS-DR capacity planning
Cc: supportlist@xxxxxxxxxxxxxxxx
From: Simon Horman <horms@xxxxxxxxxxxx>
Date: Fri, 28 Jan 2011 00:41:05 +1000
On Thu, Jan 27, 2011 at 04:22:49AM -0800, Joseph Mack NA3T wrote:
> On Thu, 27 Jan 2011, Malcolm Turnbull wrote:
> > Simon,
> >
> > We've just ordered 4 servers and a gigabit switch to try and do exctly
> > this kind of testing.
> > If anyone has sugestions about a good/simple way of generating the
> > load and graphing it that would be appreciated.
> I used netpipe back in 2000
> The only problem with netpipe is that you can only setup one 
> connection at a time. This was fine to test the 
> director/realserver to its network limit, but you can't test 
> LVS running multiple connections

Hi Malcolm, Hi Joe,

The last time that I did some micro-benchmarking of LVS I found Julian's
lvs-test to be of use.

More generally, when doing network benchmarking I find netperf to be very
useful.  Though most of my work using netperf has been for single streams,
which is not particularly exciting in the context of LVS.

The in-kernel packet generator is also interesting, though I don't recall
ever getting particularly useful benchmarks out of using it.

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