Retrieve task result by id in Celery

Question

I am trying to retreive the result of a task which has completed. This works

from proj.tasks import add
res = add.delay(3,4)
res.get()
7
res         


        

Answer 1

This is due to RabbitMQ not actually storing the results. If you need the ability to get the results later on, use redis or SQL as the result backend.