Eron Wright created FLINK-7463:
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Summary: Release nascent workers on slot request timeout
Key: FLINK-7463
URL: https://issues.apache.org/jira/browse/FLINK-7463
Project: Flink
Issue Type: Sub-task
Reporter: Eron Wright
A slot request causes a new worker to be allocated. If the slot request times
out or is cancelled before the worker is launched, cancel the worker request if
possible.
This is an optimization because an idle slot is eventually released anyway.
However, I observe that a lot of worker requests pile up in the launch
coordinator, as the JM keeps making request after request.
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