[stunnel-users] too many file descriptors

Michal Trojnara Michal.Trojnara at mobi-com.net
Sat Apr 22 16:01:00 CEST 2006

Sligar, Benjamin wrote:
> #define MAX_FD 64
> I didn't find a relation to any configurable options,
 > so I made a change to this parameter in the code,
 > recompiled, and, I was able to start up all of my
 > listens without error.

It's fine to change this parameter.

The only reason it's not higher by default is memory usage:
Each file descriptor takes 8 bytes of memory for each connection. For 
FD_MAX=1000 and 500 concurrent connections it makes 4,000,000 bytes.

What is the reasonable value in your opinion?

Best regards,

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