Sam Tunnicliffe updated CASSANDRA-15019:
    Status: Patch Available  (was: Open)

> Repaired data tracking isn't working for range queries
> ------------------------------------------------------
>                 Key: CASSANDRA-15019
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-15019
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Consistency/Coordination, Consistency/Repair, Test/dtest
>            Reporter: Sam Tunnicliffe
>            Assignee: Sam Tunnicliffe
>            Priority: Major
>             Fix For: 4.0
> CASSANDRA-14145 introduced optional tracking of the repaired dataset used to 
> construct a read response. If enabled, each replica computes a digest for the 
> repaired portion of the data, which the coordinator compares in order to 
> detect divergence between replicas. This isn't working correctly for range 
> reads, as the ReadCommand instance that the DataResolver is intialized with 
> does not have the tracking flag set. This has been undetected up until now as 
> the dtest which should verify itĀ also has a bug in that when the relevant 
> range query is issued the test expectations are being incorrectly set.

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