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https://issues.apache.org/jira/browse/BEAM-6591?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Etienne Chauchot resolved BEAM-6591.
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       Resolution: Fixed
    Fix Version/s: 2.11.0

> CassandraIO split does not work in some corner cases.
> -----------------------------------------------------
>
>                 Key: BEAM-6591
>                 URL: https://issues.apache.org/jira/browse/BEAM-6591
>             Project: Beam
>          Issue Type: Bug
>          Components: io-java-cassandra
>            Reporter: Etienne Chauchot
>            Assignee: Etienne Chauchot
>            Priority: Major
>              Labels: triaged
>             Fix For: 2.11.0
>
>
> CassandraIO split uses token ranges to split data in the Read part of the IO. 
> When one split ends up using the minimum token in the token ring, then the IO 
> reads all the data in one split, leading to duplication. This is due to 
> behavior of Cassandra: see 
> https://issues.apache.org/jira/browse/CASSANDRA-14684



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