[Twisted-Python] Maximum number of SSL connections to the server

[exarkun at twistedmatrix.com]

On 01:28 pm, spuram at kiwiup.com wrote:
>Hi all,
>
>I am doing load testing on my twisted SSL server. I spawn 
>threads(~2000)
>from the application and each thread will act as a SSL client and 
>connect
>to the server.
>
>[snip]
>
>Now it fails after 1010 successful connections. I checked the number of
>open files of the server process it remains at 1010 and there are no 
>stale
>open files.

select() has a hard limit that is often 1024.  Make sure you're not 
using the select()-based reactor (which I think is probably the default 
on OS X).

Jean-Paul
>Client shows the same error
>*SSLError: [Errno 8] _ssl.c:503: EOF occurred in violation of protocol*
>
>Twisted logs on the server shows that it connects first and then
>disconnects with this error.
>
>*<127.0.0.1:5549 <http://127.0.0.1:5549>>  connected*
>*<127.0.0.1:55249 <http://127.0.0.1:55249>>  lost connection: [('SSL
>routines', 'SSL23_READ', 'ssl handshake failure')]*
>
>How can I fix this ? How should I approach to debug ?
>
>Thanks
>-Sumanth