Once you're approach a thousand threads/connections, I'd seriously guess you're hitting JVM/OS issues. I regularly check http://www.volano.com/report.html to see how well various JVM/OS's handle high thread/connection conditions. I'd need to hear what OS and JVM implementation you're using, and what if any changes you've made to the OS to support a large number of threads.
With the JDK 1.4 there's support for asynchronous IO, and in theory Avalon could retool so the # of threads doesn't increase with the number of connections. Incidentally, why do you need so many concurrent connections? Serge Knystautas Loki Technologies - Unstoppable Websites http://www.lokitech.com/ ----- Original Message ----- From: "Eric Weaver" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Tuesday, October 16, 2001 6:05 PM Subject: Re: Number of SMTP connections in James SMTPServer > Serge Knystautas wrote: > > > > Eric, > > > > I'm not sure what the limitation is at this point... what are you using to > > simulate that many connections? > > My apologies; I have been an idiot. > > My preceding tests were done on the released version. I couldnt' make the > recent version run because (!) I hadn't changed the port numbers in the config > file. Running the new version, it handles up to 945 and then chokes and has to > be restarted - the threads apparently hang and it won't answer the SMTP port > after that. > > C10k.pl 4 will try 1000 clients - it opens 10**(n/2) connections. > > Any more thoughts? > > -- > Eric C. Weaver [EMAIL PROTECTED] > "Wire telegraph is a kind of a very, very long cat... and radio operates > exactly the same way... the only difference is that there is no cat." > -- Albert Einstein > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
