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https://issues.apache.org/jira/browse/FLINK-9848?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yazdan Shirvany updated FLINK-9848:
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Attachment: idleJob.jpg
> When Parallelism more than available task slots Flink stays idle
> ----------------------------------------------------------------
>
> Key: FLINK-9848
> URL: https://issues.apache.org/jira/browse/FLINK-9848
> Project: Flink
> Issue Type: Bug
> Components: Cluster Management
> Affects Versions: 1.5.0, 1.5.1
> Reporter: Yazdan Shirvany
> Assignee: Yazdan Shirvany
> Priority: Critical
> Attachments: idleJob.jpg
>
>
> For version 1.4.x when select Parallelism > Available task Slots Flink throw
> bellow error
> NoResourceAvailableException: Not enough free slots available to run the job
>
> but for version 1.5.x there are two different behaviors: Sometimes job ran
> successfully and sometimes it stay in "Running" status for a log time (I
> waited more than 3 minutes) and never throw error
>
> In bellow image Available task slots is 1 and job has been submitted with
> Parallelism = 4
> Flink Version 1.5.1 !idleJob.jpg!
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