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https://issues.apache.org/jira/browse/CASSANDRA-11696?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Marcus Eriksson reassigned CASSANDRA-11696:
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    Assignee: Marcus Eriksson  (was: Paulo Motta)

> Incremental repairs can mark too many ranges as repaired
> --------------------------------------------------------
>
>                 Key: CASSANDRA-11696
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-11696
>             Project: Cassandra
>          Issue Type: Bug
>            Reporter: Joel Knighton
>            Assignee: Marcus Eriksson
>            Priority: Critical
>
> Incremental repairs are tracked using a parent session - a subordinate repair 
> session is created for each range in the repair. When a node participating in 
> the repair receives a validation request, it will reference the sstables in 
> the parent repair session. When all subordinate sessions conclude, each node 
> anticompacts SSTables based on the parent repair session for the whole range 
> of the repair, but these referenced SSTables may have only been present for 
> the validation of some subset of the ranges because the SSTables were created 
> concurrent with the parent repair session.



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