Apache BookKeeper

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, Pravega.
• Message Store, e.g. Apache Pulsar.
• Offset/Cursor Store, e.g. Apache Pulsar.
• Object/Blob Store, e.g. storing state machine snapshots.

Get Started

• Checkout the project website.
• Concepts: Start with the basic concepts of Apache BookKeeper. This will help you to fully understand the other parts of the documentation.
• Follow the Install guide to setup BookKeeper.

Documentation

Please visit the Documentation from the project website for more information.

Get In Touch

Report a Bug

For filing bugs, suggesting improvements, or requesting new features, help us out by opening a Github issue.

Need Help?

Subscribe or mail the user@bookkeeper.apache.org list - Ask questions, find answers, and also help other users.

Subscribe or mail the dev@bookkeeper.apache.org list - Join development discussions, propose new ideas and connect with contributors.

Join us on Slack - This is the most immediate way to connect with Apache BookKeeper committers and contributors.

Contributing

We feel that a welcoming open community is important and welcome contributions.

Contributing Code

1. See our installation guide to get your local environment setup.

2. Take a look at our open issues: Github Issues.

3. Review our coding style and follow our pull requests to learn more about our conventions.

4. Make your changes according to our contributing guide