Running a worker on a different machine results in errors specified below. I have followed the configuration instructions and have sync the dags folder. I would also like to confirm that RabbitMQ and PostgreSQL only needs to be installed on the Airflow core machine and does not need to be installed on the wor…
Tag: celery
Celery – No module named five
After updating celery and django-celery to 3.1: I run into this error when starting my server: Using: Django 1.4.21 Python 2.7 Answer Last version of vine is 5.0.0 and fresh push was in 06.09.2020 (yesterday) :), and this version do not have any five.py file. So downgrade vine version to. vine==1.3.0 works fo…
celery doesn’t work with global variable
this is the code I used to test celery. I hope every time I use addone() the return value should increase. But it’s always 1 why??? Results Answer By default when a worker is started Celery starts it with a concurrency of 4, which means it has 4 processes started to handle task requests. (Plus a process…
Create celery tasks then run synchronously
My app gathers a bunch of phone numbers on a page. Once the user hits the submit button I create a celery task to call each number and give a reminder message then redirect them to a page where they can see the live updates about the call. I am using web sockets to live update the status of each
How to inspect and cancel Celery tasks by task name
I’m using Celery (3.0.15) with Redis as a broker. Is there a straightforward way to query the number of tasks with a given name that exist in a Celery queue? And, as a followup, is there a way to cancel all tasks with a given name that exist in a Celery queue? I’ve been through the Monitoring and …
Celery Received unregistered task of type (run example)
I’m trying to run example from Celery documentation. I run: celeryd –loglevel=INFO tasks.py: run_task.py: In same folder celeryconfig.py: When I run “run_task.py”: on python console errors on celeryd server Please explain what’s the problem. Answer You can see the current list of…
Celery + Django: Cannot start celerybeat on Windows 7
I’ve been developing a Django application and I am now trying to add Celery for background tasks. I need both normal tasks and periodic tasks to be queued. I can start up celeryd just fine, and execute tasks with it (I start it with the command python manage.py celeryd start –settings=settings …