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https://issues.apache.org/jira/browse/FLINK-12823?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16862690#comment-16862690
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Jingsong Lee commented on FLINK-12823:
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(y)(y)(y) The basic requirement is that batch jobs need to be set up with
BLOCKING ResultPartitionType to avoid diamond-shaped DAG deadlocks.
NIT: I think StreamTransformation are more accurate than DataStream.
> PartitionTransformation supports DataExchangeMode property
> ----------------------------------------------------------
>
> Key: FLINK-12823
> URL: https://issues.apache.org/jira/browse/FLINK-12823
> Project: Flink
> Issue Type: Improvement
> Components: API / DataStream
> Reporter: Biao Liu
> Assignee: Biao Liu
> Priority: Major
> Fix For: 1.9.0
>
>
> Currently {{ResultPartitionType}} of {{DataStream}} job is hard-coded with
> {{PIPELINED_BOUNDED}}. Since {{DataStream}} would support batch mode, there
> should be way to set the {{ResultPartitionType}}.
> So I propose introducing a new property {{DataExchangeMode}} of
> {{PartitionTransformation}}. As a first step, this would be an internal API.
> Maybe it would be exposed as a public API in the future.
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