[stunnel-users] concurrency request

[Michal Trojnara]

kevin wrote:

> hi, I've recently set up stunnel for SSL connect.
> When I test its performance with siege with 700 concurrency request, I got
> this log:
> "Error: socket: connection timed out.: Operation now in progress"

Are you sure this error message was created by stunnel?
Could you send some context (previous/next messages)?

> So, may I ask what is the upper limit of concurrency in stunnel, if the
> performance of the machine is good enough.
>
> and how can I increase the concurrency upper limit.

The limit depends on the operating system and the type of hardware (32-bit 
vs 64-bit).

Best regards,
    Mike