Apache BookKeeper is a scalable, fault tolerant and low latency storage service optimized for append-only workloads.
It is suitable for being used in following scenarios:
- WAL (Write-Ahead-Logging), e.g. HDFS NameNode.
- Message Store, e.g. Apache Pulsar.
- Offset/Cursor Store, e.g. Apache Pulsar.
- Object/Blob Store, e.g. storing state machine snapshots.
Changelog v4.12.1