CeleryXFlask

Task queue Celery with Flask

Celery is an asynchronous task queue used to run background tasks as a distributed architechture that will enable your application to scale.

Installation components:

1. Celery Client :

Runs with Flask application to issue background jobs

2. Celery Workers :

The processes that run in the background. These can be local (running with Flask on the same Machine) or remote.

3. Message Broker :

Client communicates with Workers through "Message Queues" and Celery has various methods of implementing these queues. Example: RabbitMQ and Redis

Redis Installation :

Two ways to do this:

1. Quick setup : run-redis.sh
2. Follow the following steps

sudo apt-get update
sudo apt-get upgrade
sudo apt-get install redis-server
sudo systemctl enable redis-server.service

Configuration :

sudo vim /etc/redis/redis.conf

add

maxmemory 256mb
maxmemory-policy allkeys-lru

sudo systemctl restart redis-server.service

Install Redis PHP Extension:

sudo apt-get install php-redis

test

redis-cli

127.0.0.1:6379> ping
PONG
127.0.0.1:6379>