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Aug 8, 2019
6f981fa · Aug 8, 2019

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README.md

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kafka-spark-mongodb

Objective

Load data from files to mongodb using kafka and spark

  • Load data from CSV to Kafka (Kafka producer)
  • Read messages from Kafka (Kafka consumer) as spark RDD and it save into mongoDb

Running Kafka locally

cd /mnt/work/installedApps/kafka_2.11-2.1.0

Start ZooKeeper

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

Start Kafka

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

Create topic

bin/kafka-topics.sh --create --zookeeper localhost:2181 --replication-factor 1 --partitions 1 --topic TopicBooks

Monitor topic

bin/kafka-console-consumer.sh --bootstrap-server localhost:9092 --topic TopicBooks --from-beginning

Running Local Kafka Cluster

A containerized kafka cluster, with a broker listening on localhost:9092. A docker-compose config file is provided, to run a single broker kafka cluster + single node zookeeper.

To start it: $ docker-compose -f kafka-docker/docker-compose.yml up -d

And to shut it down: docker-compose -f kafka-docker/docker-compose.yml down The ports are 2181 for ZooKeeper and 9092 for Kafka

Run programs with sbt

sbt test:compile
sbt runMain org.repl.kafkasparkmongo.BXBooksLoader