An Introduction to Celery

Transcript

1. 1.

   An Introduction to Celery

2. 2.

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

3. 3.

   WORKING WITH CELERY MEANS : NON BLOCKING · SCALE ·

   SPEED
4. 4.

   USE CASES IMAGE PROCESSING SENDING 1K EMAILS INTERACTIONS WITH EXTERNAL

   API PERIODIC TASKS (instead of cron)
5. 5.

   HOW DOES IT WORK?

6. 6.

   USER REQUEST APPLICATION TASKS MESSAGE QUEUE CELERY WORKERS STORE RESULTS

7. 7.

   WHAT DO I NEED?

8. 8.

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

9. 9.

   MESSAGE QUEUE RABBITMQ REDIS BEANSTALK MONGODB COUCHDB

10. 10.

    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
11. 11.

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

12. 12.

    THANK YOU @gchandrasa github.com/gchandrasa