LVS
lvs-users
Google
 
Web LinuxVirtualServer.org

Re: Problems with testing load with ab

To: "LinuxVirtualServer.org users mailing list." <lvs-users@xxxxxxxxxxxxxxxxxxxxxx>
Subject: Re: Problems with testing load with ab
From: Horms <horms@xxxxxxxxxxxx>
Date: Mon, 13 Nov 2006 16:37:06 +0900
On Sun, Nov 12, 2006 at 10:14:48PM -0800, Larry Ludwig wrote:
> Hi,
> 
> >From testing it appears that my load balance is working.
> I have LVS setup using ultramonkey and I am in the process of stress testing 
> 2 web servers behind a LVS/DR setup.
> 
> >From using apachebench (ab) I get about half of the connections fail.  
> >Sometimes the test doesn't even complete.  The testing is occurring on the 
> >LAN of the switch.  Any ideas why it would fail some of the time?  I don't 
> >get these errors if I test directly to the server IP.  Some times I get:

I suspect that either you have not dealt with the ARP problem
(are you using LVS-DR?) or your real servers can't cope with the
connections for some reason.

-- 
Horms
  H: http://www.vergenet.net/~horms/
  W: http://www.valinux.co.jp/en/


<Prev in Thread] Current Thread [Next in Thread>