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https://issues.apache.org/jira/browse/CASSANDRA-14824?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Josh McKenzie updated CASSANDRA-14824:
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Bug Category: Parent values: Correctness(12982)Level 1 values: Transient
Incorrect Response(12987)
> 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: Bug
> Components: Local/SSTable
> Reporter: Aleksey Yeschenko
> Assignee: Aleksey Yeschenko
> Priority: Normal
> Fix For: 3.0.18, 3.11.4, 4.0
>
>
> {{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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