Datanode Internals
This section documents the internal workings of the Datanode.
Disk Layout
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Datanode Container Schema v3
In Ozone, user data are separated into blocks and stored in HDDS Containers. Containers are the fundamental replication unit of Ozone/HDDS. Each Container has its metadata and data. Data are saved as files on disk. Metadata is saved in RocksDB.
In-Memory Storage
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Startup Sequence
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Write Request Flow
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Read Request Flow
TODO: File a subtask under HDDS-9862 and complete this page or section.