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Comment: Add update on Streaming audit.

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cassandra-diff and associated documentation can be found at: https://github.com/apache/cassandra-diff. Contributors are encouraged to run diff tests against clusters they manage and report issues to ensure workload diversity across the project.

✅ Source Audit and Performance Testing: Streaming

Shepherd: Aleksey Yeshchenko

This task covers an audit of the Streaming implementation in Apache Cassandra 4.0. In this release, contributors have implemented full-SSTable streaming to improve performance and reduce memory pressure. Internode messaging changes implemented in CASSANDRA-15066 adjacent to streaming suggested that review of the streaming implementation itself may be desirable.

One remaining issue is being addressed with partial streaming of compressed SSTables, with a patch pending: 

Jira
serverASF JIRA
serverId5aa69414-a9e9-3523-82ec-879b028fb15b
keyCASSANDRA-13938
. Further work is not essential to unblock streaming for Beta/GA, though small improvements may follow if bugs or performance issues are identified during later-stage testing.

⏳WIP: Test Infrastructure / Automation: "Harry"

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