Celery interview questions For Freshers & Experienced

  • Question 1) What is Celery?
  • Question 2) List some features of Celery?
  • Question 3) What is a Broker?
  • Question 4) What is the alternative to Celery Python?
  • Question 5) How install Celery via pip?
  • Question 6) In which language Celery is written?
  • Question 7) What is Celery worker?
  • Question 8) What is Celery backend?
  • Question 9) What is Celerybeat?
  • Question 10) What is Pub-Sub in Celery?
  • Sharad Jaiswal
  • 08th Jan, 2021

Celery interview questions
Updated ON

08th Jan, 2021

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Sharad Jaiswal

Q1. What is Celery?

Celery Message-oriented asynchronous task queue/job queue implementation for Python web applications that are based on distributed message passing approach1. It is released under ‎a BSD License and used by internet giants like Instagram, AdrolL, Mozilla Addons and many more.

Q2. List some features of Celery?

Major features of Celery framework are

  • Job Scheduling
  • Job Monitoring
  • Managing Workflows
  • Time & Rate Limiting
  • Autoloading and Resource Leak Protection.

Q3. What is a Broker?

In Celery broker is a mediator between clients and workers. The main task of the broker is to deliver the client messages to a worker.

Q4. What is the alternative to Celery Python?

Dramatic is one of the most popular alternatives to Celery Python. It supports Redis and RabbitMQ message brokers.

Q5. How install Celery via pip?

To install Celery via pip run below commnad

pip install -U Celery

Q6. In which language Celery is written?

Celery is written in Python programming language.

Q7. What is Celery worker?

Celery worker is a supervisor process that does not process any tasks itself rather than that Celery spawns child processes (or threads) and deals with all the book keeping stuff.

Q8. What is Celery backend?

Celery backend is a storage place that is used for storing the task results.Currently Celery supports only AMQP, database, cache, Couchbase, and Redis backends.

Q9. What is Celerybeat?

Celerybeat is a task scheduler that sends predefined tasks to a celery worker at a given time.

Q10. What is Pub-Sub in Celery?

Pub-Sub expended as publish-subscribe or producer-consumer is a distributed messaging pattern where publishers broadcast messages over a message broker, and subscribers listen for the messages.

About Author :

  • Author of Celery interview questions

    Sharad Jaiswal

    Sharad Jaiswal is Sr. Web Developer from Noida area. He have rich experience in PHP, Angular Js, React, javascript and Node .If you any query or project on these programming you can drop your enquiry in comment section.

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