Thanks for the response,  The site is actually live so the traffic is coming in from all over the place.

I was thinking along the same lines and actually ignored the lopsided effect during my testing for exactly this reason, I assumed since all the load was coming from a handful of test servers I wasn't seeing realistic production behaviour.  However the problem continued after we went "live" with it.

Thanks,
 --Cam Roberts

On Tue, Sep 30, 2008 at 4:55 PM, Alfonso Espitia <aespitia@castleworldwide.com> wrote:
Are you trying this from a different location?

If you try to hit it from the same location, it will direct you to the
same server (because you ARE coming from the same IP).

-----Original Message-----
From: interlnk@gmail.com [mailto:interlnk@gmail.com] On Behalf Of Cam
Roberts
Sent: Tuesday, September 30, 2008 4:06 PM
To: pound@apsis.ch
Subject: [Pound Mailing List] load is not balanced when session handling

Hi,
  I've configured pound with two BackEnds and Session Type IP, TTL 300.

However all the load goes to one of the back end servers, I never see an
apache connection on the other until the "primary" goes down.  I'm not
using Emergency, and if I comment out the Session block the load is
balanced evenly between the two servers.


Relevant portion of my pound.cfg:

       Service
               BackEnd
                       Address 10.0.0.2
                       Port    80
               End
               Session
                       Type IP
                       TTL 300
               End
       End
       Service
               BackEnd
                       Address 10.0.0.4
                       Port    80
               End
               Session
                       Type IP
                       TTL 300
               End
       End


Originally I had:

       Service
               Session
                       Type IP
                       TTL 300
               End
               BackEnd
                       Address 10.0.0.2
                       Port    80
               End
               BackEnd
                       Address 10.0.0.4
                       Port    80
               End
       End

The behaviour seems to be identical with both of the above
configurations, it doesn't do any load balancing when Session is
declared.

From my understanding of the manpage load should still be balanced when
session handling is used, individual users will be bound to a single
server but it should alternate with each new connection.  Am I
misunderstanding session handling?

--
Thanks,
--Cameron Roberts


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