Apache Bookkeeper

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  1. 2346686 [doc] Fix typo in bookkeeper config `tslProvider` (#2751) by Yang Yang · 11 days ago master
  2. d9cf767 ISSUE #2726 Fix JAVA_HOME containing spaces by Jiabei Zhao · 13 days ago
  3. 31e8d1b Log a warn before exiting when an illegal access not allowed is done on FileDescriptor#fd (#2749) by Nicolò Boschi · 2 weeks ago
  4. d03b046 Fix Bouncy Castle fips incompatible issue (#2740) by Jia Zhai · 3 weeks ago
  5. a445728 [Build/Security] Upgrade Freebuilder version and fix the dependency by Lari Hotari · 4 weeks ago

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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.
  • 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.


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 or opening an Apache jira.

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.


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

Contributing Code

  1. See Developer Setup to get your local environment setup.

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

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

  4. Make your changes according to our contribution guide.

Improving Website and Documentation

  1. See Building the website and documentation on how to build the website and documentation.