shuai.xu created FLINK-11059:
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Summary: JobMaster may continue using an invalid slot if releasing
idle slot meet a timeout
Key: FLINK-11059
URL: https://issues.apache.org/jira/browse/FLINK-11059
Project: Flink
Issue Type: Bug
Components: Cluster Management
Affects Versions: 1.7.0
Reporter: shuai.xu
Assignee: shuai.xu
When job master releases an idle slot to task executor, it may meet a timeout
exception which cause that task executor may have already released the slot,
but job master will add the slot back to available slots, and the slot may be
used again. Then job master will continue deploying task to the slot, but task
executor does not recognize it.
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