Jan Lukavský created BEAM-10691:
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Summary: FlinkRunner: pipeline might get stuck due to timer
watermark hold not being released
Key: BEAM-10691
URL: https://issues.apache.org/jira/browse/BEAM-10691
Project: Beam
Issue Type: Bug
Components: runner-flink
Affects Versions: 2.23.0, 2.24.0
Reporter: Jan Lukavský
Assignee: Jan Lukavský
Pipeline might stop progressing watermark in certain cases due to timer output
timestamp not being released from FlinkTimerInternals#outputTimestampQueue. The
pipeline has to be restarted from checkpoint to reload the cache and free
watermark hold.
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