Aleksey Yeschenko created CASSANDRA-14824:
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Summary: Expand range tombstone validation checks to multiple
interim request stages
Key: CASSANDRA-14824
URL: https://issues.apache.org/jira/browse/CASSANDRA-14824
Project: Cassandra
Issue Type: Improvement
Reporter: Aleksey Yeschenko
Assignee: Aleksey Yeschenko
Fix For: 3.0.x, 3.11.x, 4.0.x
{{RTBoundValidator}} was originally only added to verify the end-game response
iterator produced by {{ReadCommand}}.
However, turns out it's possible for sequencing errors in lower-level iterators
to be silently erased by upstream iterators - as a result of merging two
invalid iterators into one valid iterator, for example. CASSANDRA-14823 can
create such a scenario.
The upcoming patch would attach the checker at the intermediate stages,
ensuring that we can detect those otherwise silent corruptions.
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