Number of concurrent TCP connections

From: Antoine Davous (Dummy.Address_at_Please.Answer.To.NewsGroup)
Date: 07/07/03


Date: Mon, 07 Jul 2003 18:35:19 GMT

Hi,
I am working on a telecom system. I am in charge of performance
measurements. The system is Solaris 8 based. The servers are connected to a
Load Balancers. Obviously, in heavy load traffic conditions, the number of
TCP connections is increasing because the system is requesting a server that
answers in few seconds. The maximum number of TCP connections is limited by
the Load Balancer to 250.

I guess (I know) that this limit is determined essentially by the amount of
memory on both Load Balancers and servers that takes part of the
connections.

My question is : do you have any experience (HTTP servers) of the number of
concurrent TCP connections that a Sparc server running Solaris (with how
much memory and what kind of processor ?) can handle. All I need is rough
values because I have no idea of what is a realistic value ...

Regards
Antoine Davous



Relevant Pages

  • Number of concurrent TCP connections
    ... The system is Solaris 8 based. ... Load Balancers. ... The maximum number of TCP connections is limited by ... memory on both Load Balancers and servers that takes part of the ...
    (comp.unix.questions)
  • LoadRunner: rstatd client program UDP errors (but tcpdump looks ok) ...
    ... We have an admin who is running Mecury LoadRunner. ... load to our Solaris 10 Web and Application servers, ... performance statistics via the Solaris RPC "rstatd" interface. ... Now, randomly, and independent of the load placed on the Solaris Web/App ...
    (SunManagers)
  • Re: Need advise on sockets
    ... response from these servers. ... Wouldn't connecting and closing the socket every second be a load on ... In broad practical terms at that load level ... would establish the connections once and leave them connected. ...
    (comp.unix.programmer)
  • Solaris 10 network problem
    ... I have a customer which recently upgraded to Solaris 10. ... opening lots of connections to wherever... ... and network connection problems, i.e. every few seconds a couple ... several servers, proxys and messagestores, 2.5mil accounts. ...
    (comp.unix.solaris)
  • Outbound TCP issue, potentially related to FreeBSD-SA-05:08.kmem [REVISED]
    ... separate FreeBSD machine. ... Outbound TCP connections are randomly failing to connect. ... It only impacts outgoing connections from our web servers - no ... finding that the failures were not port-specific, ...
    (freebsd-net)