[stunnel-users] too many file descriptors

[Michal Trojnara]

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,
     Mike