Apache Storm is an open-source real-time stream processing system used for handling and processing a huge amount of data. Storm uses the horizontally scalable method to process a large volume of data. Storm uses Apache ZooKeeper to manage the distributed system and clusters. Apache storm uses master-slave architecture with nimbus as master nodes and supervisors as slaves.
Apache storm is easy to install, use, and can access thousands of messages per second. Top companies like Twitter, Spotify, Wego, etc. also use Apache storm for real-time data processing.
If you are interested in Apache storm, I would suggest this Apache Storm training by Intellipaat.
You can watch this video on Apache storm tutorial to know more about Apache Storm: