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Apache Ozone

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2.2.1
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This is documentation for Apache Ozone 2.1.2, which is no longer actively maintained.

For up-to-date documentation, see the latest version (2.2.1).

System Internals
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Datanode
Startup Sequence

Version: 2.1.2

Datanode Startup Sequence

TODO: File a subtask under HDDS-9862 and complete this page or section.

In-Memory Storage

Write Request Flow

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Copyright © 2026 The Apache Software Foundation. Licensed under the Apache License, Version 2.0.

The Apache Software Foundation, Apache Ozone, Ozone, Apache, the Apache Feather, and the Apache Ozone project logo are either registered trademarks or trademarks of the Apache Software Foundation.