Till Rohrmann created FLINK-9099:
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Summary: Failing allocated slots not noticed
Key: FLINK-9099
URL: https://issues.apache.org/jira/browse/FLINK-9099
Project: Flink
Issue Type: Bug
Components: Distributed Coordination
Affects Versions: 1.5.0
Reporter: Till Rohrmann
Assignee: Till Rohrmann
Fix For: 1.5.0
When allocating slots for eager scheduling, it can happen that allocated slots
get failed after they are assigned to the {{Execution}} (e.g. due to a
{{TaskExecutor}} heartbeat timeout). If there are still some uncompleted slot
futures, then this will not be noticed since the {{Execution}} is assigned to
the {{LogicalSlot}} only after all slot futures are completed. Therefore, the
allocated slot failure will go unnoticed until this happens.
In order to speed up failures, we should directly assign the {{Execution}} to
the {{LogicalSlot}} once the slot is assigned to the {{Execution}}.
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