[lvs-users] How can I improve LVS performance?

Siim Põder siim at p6drad-teel.net
Wed Aug 5 09:00:48 BST 2009


Hi

Paulo Rodrigues wrote:
> I've been using ab to check how many webpages this setup can serve over one
> minute, by:
>
> ab -k -c20 -t60 http://195.22.4.25/
> 
> and the maximum it does is around 6000 pages; from the LVS itself, running
> the same command but against the realservers
> 
> ab -k -c20 -t60 http://192.168.200.60/
> ab -k -c20 -t60 http://192.168.200.61/
> 
> gives around 40000 webpages from each! All hosts are connected over gigabit
> ethernet.

Just so that we could eliminate some factors: you are running the second
set of benchmarks from the director, where are you running the first ab
from? Is it from the director, another machine in the same (external)
subnet or over the internet?

Siim




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