Notification Engine

Distributed & scalable generic notification(cum cronjob) engine implementation in Golang. Architecture and implementation is inspired from BigBen by Walmart labs.

Pre-requisites

• Docker

Setup

Start a sample 3-node manager and single-node worker system using following command -

make start

Basic Architecture

Major Components

• PostgresDB as data store
• Etcd v3 for cluster synchronization
• Rabbitmq for job queues

Services

• Manager Service(s) : Master-slave cluster of a manager to pick up scheduled job from data store and push to worker queue.
• Worker Service(s) : Idempotent worker for picking jobs from worker queue and executing them.