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https://issues.apache.org/jira/browse/FLINK-5980?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15904826#comment-15904826
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ASF GitHub Bot commented on FLINK-5980:
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Github user StephanEwen commented on the issue:
https://github.com/apache/flink/pull/3487
I think this looks good now, merging this...
> Expose max-parallelism value in RuntimeContext
> ----------------------------------------------
>
> Key: FLINK-5980
> URL: https://issues.apache.org/jira/browse/FLINK-5980
> Project: Flink
> Issue Type: Improvement
> Components: DataStream API
> Reporter: Biao Liu
> Assignee: Biao Liu
> Priority: Minor
>
> I am implementing a custom source function. I want to keep all progresses in
> a ListState to support dynamically scaling just like what FlinkKafkaConsumer
> did. And I think the max-parallelism value is ideal length for the ListState
> in my scenario. But I realize that currently the max-parallelism value is not
> visible to UDF.
> I propose exposing the max-parallelism value in RuntimeContext. It will be
> useful in dynamically scaling scenario.
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