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https://issues.apache.org/jira/browse/FLINK-19087?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Stephan Ewen resolved FLINK-19087.
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Resolution: Fixed
Fixed in 1.12 via 95c533c964e5babfee5d901ffea3c9be48e30ccb
> ReaultPartitionWriter should not expose subpartition but only
> subpartition-readers
> ----------------------------------------------------------------------------------
>
> Key: FLINK-19087
> URL: https://issues.apache.org/jira/browse/FLINK-19087
> Project: Flink
> Issue Type: Sub-task
> Components: Runtime / Network
> Reporter: Stephan Ewen
> Assignee: Stephan Ewen
> Priority: Major
> Fix For: 1.12.0
>
>
> The {{ResultPartitionWiter}} currently gives arbitrary access to the
> sub-partitions.
> These subpartitions may not always exist directly, such as in a sort based
> shuffle.
> Necessary is only the access to a reader over a sub-partition's data (the
> ResultSubpartitionView).
> In the spirit of minimal scope of knowledge, the methods should be scoped to
> return readers, not the more general subpartitions.
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