Re: [paho-dev] Throttle / limit rate of messages on MQTT topic on client

[Al Stockdill-Mander <asm@xxxxxxxx>]

Hi,

There is no functionality in the client to do this, using something like https://github.com/uber-go/ratelimit and calling take when the message received callback is triggered as well as before doing a publish should allow you to limit the overall requests per second.

Al

On Wed, 3 Apr 2019 at 07:08, John Kjellberg <kjellberg.john@xxxxxxxxx> wrote:

Hi.

This is mainly a question for the golang client.

AWS IoT have a limit on number of unacknowledged messages per thing(all things have a unique topic) and some other limits(100 request/s/client). So I would need to throttle numer of messages. This is quite easy to do when making a Publish, but when reconnecting and the client automatically resends messages I will have no control over this.

Is there some functionality in the client where I control this?

Perhaps I should try to implement it myself in the paho.mqtt.golang library. If so, are there other clients that implements this that I could draw inspiration from?

Regards,

/ John

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