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An Introduction to Celery

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WHAT IS CELERY? Celery is an asynchronous task queue/job queue

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WORKING WITH CELERY MEANS : NON BLOCKING · SCALE · SPEED

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USE CASES IMAGE PROCESSING SENDING 1K EMAILS INTERACTIONS WITH EXTERNAL API PERIODIC TASKS (instead of cron)

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HOW DOES IT WORK?

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USER REQUEST APPLICATION TASKS MESSAGE QUEUE CELERY WORKERS STORE RESULTS

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WHAT DO I NEED?

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CELERY Django (django-celery) Pylons (celery-pylons) Flask (Flask-Celery) Python

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MESSAGE QUEUE RABBITMQ REDIS BEANSTALK MONGODB COUCHDB

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CELERY (pip install celery) RABBITMQ (http://www.rabbitmq.com/download.html) EXAMPLE from celery.task import task @task def add(x, y): return x + y

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WHAT'S NEXT? celeryproject.org IRC #celery mailing list celery-users

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THANK YOU @gchandrasa github.com/gchandrasa