RocMarshal created FLINK-38715:
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Summary: Balanced tasks scheduling is suboptimal in some extreme
scenarios.
Key: FLINK-38715
URL: https://issues.apache.org/jira/browse/FLINK-38715
Project: Flink
Issue Type: Improvement
Components: Runtime / Coordination
Reporter: RocMarshal
The feature aims to ensure balanced task scheduling from the resource
perspective of the job. During failover scenarios, when resources are released
and resource requests are processed, slight discrepancies in allocation results
may occur due to delayed updates in the resource view, leading to suboptimal
task distribution balance. In such cases, we can improve the situation by
appropriately increasing the value of {_}*slot.request.max-interval*{_}.
It must be emphasized that if an imbalanced phenomenon still persists even when
the value of slot.request.max-intervalis increased sufficiently, it should be
recorded in the current Jira ticket, which should include descriptions of
scheduling-related configurations and the observed phenomena.
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