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https://issues.apache.org/jira/browse/FLINK-9827?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Till Rohrmann closed FLINK-9827.
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Resolution: Duplicate
> ResourceManager may receive outdate report of slots status from task manager
> ----------------------------------------------------------------------------
>
> Key: FLINK-9827
> URL: https://issues.apache.org/jira/browse/FLINK-9827
> Project: Flink
> Issue Type: Bug
> Components: Runtime / Coordination
> Affects Versions: 1.5.0
> Reporter: shuai.xu
> Assignee: shuai.xu
> Priority: Major
>
> TaskExecutor will report its slot status to resource manager in heartbeat,
> but this is in a different thread with the main rpc thread. So it may happen
> that rm request a slot from task executor but then receive a heartbeat saying
> the slot not assigned. This will cause the slot be freed and assigned again.
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