Storm Data Sources & Targets Explained

Storm provides the following built-in data sources and data targets:

1. Built-in data source:
2. Spout: Responsible for fetching data from external sources and sending it to Bolts for further processing.
3. Kafka Spout: Utilized for reading data from Apache Kafka.
4. RabbitMQ Spout: Used to read data from a RabbitMQ message queue.
5. Built-in data targets:
6. The Bolt is used to process data and send the processed data to the next Bolt or data target.
7. Kafka Bolt: Used to send data to Apache Kafka.
8. HDFS Bolt: Used to store data in the Hadoop Distributed File System.
9. Redis Bolt is utilized to store data in the Redis cache database.