Apache Kafka vs RocksDB

Apache Kafka is an open-source distributed event streaming platform used for building real-time data pipelines and streaming applications. Originally developed at LinkedIn, it provides high-throughput, fault-tolerant publish-subscribe messaging with persistent storage. Kafka supports stream processing through Kafka Streams and ksqlDB.

RocksDB is Embeddable persistent key-value store from Meta optimized for fast storage, forked from LevelDB.. It is available under a free model. This tool falls under the databases category.