Zakelly Lan created FLINK-37107:
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Summary: Allow buffer overdraft in async state processing
Key: FLINK-37107
URL: https://issues.apache.org/jira/browse/FLINK-37107
Project: Flink
Issue Type: Sub-task
Reporter: Zakelly Lan
Assignee: Zakelly Lan
In FLINK-37089, we resolved the deadlock of derived requests waiting on
draining current request, when user call `asyncProcessWithKey`. However, we
also found the timer may also suffer from this problem. Thus I suggest a buffer
overdraft for all those derived requests, to resolve the deadlock when there is
a single hotspot key and all the requests queue in line while there comes a
derived with same key cannot properly queue in a full buffer.
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