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README.md

A Giter8 template for showcasing transformation on a Kafka topic with the help of Flink Streaming.

Kafka Transformation with Flink Streaming

Steps to install Zookeeper and Apache Kafka:

Step 1: Download Kafka

Download Kafka from here

Step 2: Extract downloaded file

tar -xzvf kafka-2.2.0.tgz
cd kafka-2.2.0

Steps to start Zookeeper and Kafka server :

Start Zookeeper:

bin/zookeeper-server-start.sh config/zookeeper.properties

Start Kafka server:

bin/kafka-server-start.sh config/server.properties

Clone Project

git clone git@github.com:knoldus/kafka-flink-data-pipeline.g8.git
cd kafka-flink-data-pipeline.g8
sbt clean compile

Execute the following command,

sbt "runMain com.knoldus.demo.KafkaProducer"

This starts producing random messages in the range 1 to 100 and push each of it into a Kafka topic queue.


Transforming the incoming messages

Step 1: Execute the following command,

sbt "runMain com.knoldus.demo.StreamDemo"

This begins Flink stream processing on the input kafka topic and transforms the messages by capitializing it and produces to a new output topic.


For any issue please raise a ticket @ Github Issue

Template license

Written in 2019 by Himani Arora

To the extent possible under law, the author(s) have dedicated all copyright and related and neighboring rights to this template to the public domain worldwide. This template is distributed without any warranty. See http://creativecommons.org/publicdomain/zero/1.0/.

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