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Apache BookKeeper - a scalable, fault tolerant and low latency storage service optimized for append-only workloads

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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, 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.


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 [email protected] list - Ask questions, find answers, and also help other users.

Subscribe or mail the [email protected] 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 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

Open Source Agenda is not affiliated with "Bookkeeper" Project. README Source: apache/bookkeeper
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