DylanYoung

What if they're running on the same host?

I'm going to second this one as well (for all the reasons listed above), but will note that while a `--diff` option is nice for cli usage, it's not ideal...

@akaihola I'm now getting that same error message with vscode using darker. It was working at first though, so maybe a bug in vscode... > Black does not support the...

@btai24 The downside is that if your worker crashes it will take 'visibility_timeout' time for the message to be redelivered to another worker. Quite a huge downside if you have...

How does RabbitMQ handle this scenario?

@killthekitten Yeah I get that. My question is *how* ("How does RabbitMQ handle this scenario?"). If you can give me the low-down on ack-support in RabbitMQ and *how* it works,...

Ok, after reading a bit more about this, it seems like there are two options (though do correct me if I'm wrong): 1) Use a custom header to specify the...

I don't think I'm qualified currently to implement (1). (2) I could probably do with some assistance. (3) is easy pickings provided the redis transport already emulates nack support. @killthekitten...

The downside of (3) it that it adds a lot of overhead to ETA tasks (task gets sent to a worker roughly `(ETA-now())/visibility_timeout` times, but considering they don't really work...

Solution 3 would also solve https://github.com/celery/celery/issues/2541