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HDDS-15101. Document read operation implementation guide.#407

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jojochuang wants to merge 3 commits intoapache:masterfrom
jojochuang:HDDS-15101
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HDDS-15101. Document read operation implementation guide.#407
jojochuang wants to merge 3 commits intoapache:masterfrom
jojochuang:HDDS-15101

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What changes were proposed in this pull request?

HDDS-15101. Document read operation implementation guide.

Please describe your PR in detail:

  • Add phased trace of lookupKey, OM ACLs (Ranger/Native), TDE/KMS DEK unwrap, Block Tokens, and Datanode read path. Include system diagram and security layers summary.

Made-with: Cursor

What is the link to the Apache Jira?

https://issues.apache.org/jira/browse/HDDS-15101

How was this patch tested?

Please explain how this patch was tested. In most cases this will just be checking the local preview of the website, but existing CI checks should also pass.

Screenshot 2026-04-24 at 4 11 47 PM read_implementation

Add phased trace of lookupKey, OM ACLs (Ranger/Native), TDE/KMS DEK
unwrap, Block Tokens, and Datanode read path. Include system diagram
and security layers summary.

Made-with: Cursor
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