[lvs-users] Solved: Client, Server and Director in same LAN

[Michael Schwartzkopff]

On Thursday 28 October 2010 15:59:17 Michael Schwartzkopff wrote:
> On Thursday 28 October 2010 13:42:47 Simon Horman wrote:
> > On Thu, Oct 28, 2010 at 08:24:36AM +0200, Michael Schwartzkopff wrote:
> > > Hi,
> > > 
> > > is it possible to use direct routing with clients, real server and
> > > director in the same LAN?
> > 
> > Yes. Actually, that is how I do most of my testing.
> 
> Do you have any idea why the director might limit the performance of our
> system? Without LB I get 100 connections/s to the real IP address of a real
> server. When I address the virtual IP of the director I get a performance
> drop to 1 connection/s.
> 
> tcpdump shows that sometimes I have no traffic at all on the line to 0.2
> sec.
> 
> Any ideas? Thanks.

Probably a bug with gso in the igb network card driver.

-- 
Dr. Michael Schwartzkopff
Guardinistr. 63
81375 München

Tel: (0163) 172 50 98
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