I do retries with celery like in the Docs-Example:
@task()
def add(x, y):
try:
...
except Exception, exc:
add.retry(exc=exc, countdown=60) # override the default and
# retry in 1 minute
How can I increase the retry-countdown everytime the retry occurs for this job - e.g. 60 seconds, 2 minutes, 4 minutes and so on until the MaxRetriesExceeded is raised?
Here is a simple way to create bigger delay each time the task is evaluated. This value is updated by celery itself so you don't need to manage anything yourself.
@task()
def add(x, y):
try:
...
except Exception as exc:
raise add.retry(exc=exc, countdown=60 * add.request.retries)
Note: First task is repeated with countdown of 0. Because number of retries is 0 for the first run.