shuai.xu created FLINK-9827:
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Summary: 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: Cluster Management
Affects Versions: 1.5.0
Reporter: shuai.xu
Assignee: shuai.xu
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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