Aleksey Yeschenko created CASSANDRA-21378:
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Summary: Stream and compare merkle trees incrementally
Key: CASSANDRA-21378
URL: https://issues.apache.org/jira/browse/CASSANDRA-21378
Project: Apache Cassandra
Issue Type: Improvement
Reporter: Aleksey Yeschenko
Merkle trees are meant to be exchanged incrementally, not streamed wholesale.
At the cost of some additional roundtrips, we could/should make our comparison
logic incremental, so that we can skip exchanging identical branches.
This would be another way to reduce the memory footprint of merkle trees on the
repair coordinator.
Related: CASSANDRA-21377.
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