mosquitto-users team mailing list archive

[Roger Light <roger@xxxxxxxxxx>]

Hi Mike,

> -        There’s not much special, EC2 mediums can do 200k+ (yes, two
> hundred) with QoS 2, SSL off, and a moderate number of messages publishing
> constantly.

Can you offer any further details on what "moderate" means here? Just
a rough order of magnitude would be nice to know.

> Sharon, the problem that I can already tell you that will arise with SSL is
> memory usage.  I forget the exact numbers but calling the consumption
> noticeable would be an understatement.  With SSL off Mosquitto uses such a
> small amount of RAM which is why EC2 high CPU mediums are perfect.

Yes... It would be nice to try something less heavyweight than
openssl, but the nice obvious alternatives like cyassl are
gpl/commercial licensed.

Cheers,

Roger