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https://issues.apache.org/jira/browse/FLINK-13163?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16881035#comment-16881035
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Till Rohrmann commented on FLINK-13163:
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Thanks for opening this issue [~zjffdu]. You are right that Flink does not
properly support the execution of batch jobs with fewer slots than requested.
I'll update this issue to contain a bit more details about the problem.
> Default value of slot.request.timeout is too small for batch job
> ----------------------------------------------------------------
>
> Key: FLINK-13163
> URL: https://issues.apache.org/jira/browse/FLINK-13163
> Project: Flink
> Issue Type: Bug
> Components: Runtime / Configuration, Runtime / Coordination
> Affects Versions: 1.9.0
> Reporter: Jeff Zhang
> Priority: Major
>
> The default value of slot.request.timeout is 5 minutes. It will cause the
> flink job fail if downstream vertex can not get resources in 5 minutes.
> Ideally, for batch job, it should wait there indefinitely.
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