Celery Interview Questions

Celery Interview Questions | Freshers & Experienced

  • Sharad Jaiswal
  • 05th Mar, 2021
  • 917 Followers

Key Features of Celery

Below are few major features of Celery

Scheduling

Monitoring

High availability

Autoreloading

Workflows

Time & Rate Limits

Autoscaling

Resource Leak Protection

Celery Interview Questions

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

    My name is Sharad Jaiswal, and I am the founder of Conax web Solutions. My tech stacks are PHP, NodeJS, Angular, React. I love to write technical articles and programming blogs.

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