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https://issues.apache.org/jira/browse/FLINK-8718?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16371789#comment-16371789
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ASF GitHub Bot commented on FLINK-8718:
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Github user aljoscha commented on the issue:
https://github.com/apache/flink/pull/5545
I'm not sure we can do this change since it breaks compatibility for
savepoints because previous versions of Flink hat some `maxParallelism` setting
for sources which would be incompatible with the new `maxParallelism` of 1.
Thoughts?
> Non-parallel DataStreamSource does not set max parallelism
> ----------------------------------------------------------
>
> Key: FLINK-8718
> URL: https://issues.apache.org/jira/browse/FLINK-8718
> Project: Flink
> Issue Type: Bug
> Components: DataStream API, Streaming
> Affects Versions: 1.5.0
> Reporter: Gary Yao
> Assignee: Gary Yao
> Priority: Major
> Fix For: 1.5.0
>
>
> {{org.apache.flink.streaming.api.datastream.DataStreamSource}} does not set
> {{maxParallelism}} to 1 if it is non-parallel.
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