Yazdan Shirvany created FLINK-9848:
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Summary: 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: 1.5.1, 1.5.0
Reporter: Yazdan Shirvany
Assignee: Yazdan Shirvany
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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