Weijie Guo created FLINK-31346:
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Summary: IO scheduler does not throw TimeoutException if
numRequestedBuffers is greater than 0
Key: FLINK-31346
URL: https://issues.apache.org/jira/browse/FLINK-31346
Project: Flink
Issue Type: Bug
Components: Runtime / Network
Affects Versions: 1.16.1
Reporter: Weijie Guo
Assignee: Weijie Guo
We currently rely on throw exception to trigger downstream task failover to
avoid read buffer request deadlock. But if {{numRequestedBuffers}} is greater
than 0, IO scheduler does not throw {{TimeoutException}}. This will cause a
deadlock.
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