On Saturday 30 October 2010 07:10:17 Simon Horman wrote: > On Sat, Oct 30, 2010 at 05:54:57AM +0200, Michael Schwartzkopff wrote: > > On Saturday 30 October 2010 05:03:33 Simon Horman wrote: > > > On Thu, Oct 28, 2010 at 03:59:17PM +0200, 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. > > > > > > If you are running 2.6.36 then this may relate to a performance > > > regression related to the introduction of double NAT. > > > > > > But regardless, that is a pretty startling result that > > > I don't have a decent explanation for. > > > > No. have some older version on the kernel and do not use NAT at all. > > > > The only explanation we found at the moment is that something with > > bonding did not work properly. > > Would it be possible for you to try this with a newer kernel > and if pain persists describe your setup in a little more detail?
We have 2.6.34. Simple setup. Everything in the same LAN. direct routing. All hosts with bonding interfaces connected to two switches. Greetings, -- Dr. Michael Schwartzkopff Guardinistr. 63 81375 München Tel: (0163) 172 50 98
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