> Hi,
>
> I'm using HAProxy on Debian Wheezy to balance a web app and I'm
> currently having huge problems with HAProxy and it's balancing
> on our backend servers. I have a backend with 4 servers. When a
> traffic spike hits the frontend for those servers, they get close
> to their configured max connections.
>
> After that the oddest thing happens: Some of the backends servers
> current connections just "freeze". The connection count is not
> updated anymore, thus those servers don't get any new connections
> when using least con balancing as they are stuck with on that high
> count. After restarting HAProxy everything works just fine again.
>
> Has anybody experienced problems like this or any ideas why this
> could happen?
We will need more informations on this one.
Please provide:
- exact haproxy and OS/kernel release
- output of "haproxy -vv"
- your redacted configuration
- "show sess <>" of the hanging session from the unix admin socket
Regards,
Lukas
