Kafka is a distributed streaming platform used for building real-time data pipelines. It is designed to handle high throughput and low latency, making it ideal for processing large streams of data in real-time.

This project aims at implementing a model of Kafka with Added Fault Tolerance which was not originally proposed by LinkedIn

• Ensure you have Node.js and npm installed on your machine.

  node --version >= v18.13.0

• Make sure you've set the environment vairables by creating a .env file for each of these folders:

  1. Zookeeper
  2. Brokers
  3. Config
  4. Clients

• Trial values for .env (can use this for all the above folders)

  NUM_BROKERS=5
  REPLICATION_FACTOR=3
  ZOOKEEPER_PORT=8000
  ZOOKEEPER_HOST="http://localhost"
  BROKER_HOST="http://localhost"

Open the zookeeper folder in the root directory, then:

1. Install Dependencies:

   npm i

2. Start Zookeeper

   node zookeeper.js

If no port is specified in .env it will run on PORT 8000 by default

Open the brokers folder in the root directory, then:

1. Install Dependencies:

   npm i

2. Start the Broker

   node broker.js <PORT>

   Example:

   node broker.js 3000

Open the config folder in the root directory, then:

1. Install Dependencies:

   npm i

2. To Add Topics

   node  topics\add-topics.js

3. To Remove Topics

   node topics\remove-topics.js

Open the clients folder in the root directory, then:

1. Install Dependencies:

   npm i

2. To start the Producer

   node producer.js 

3. To start the Consumer

   node consumer.js