Piotr Nowojski created FLINK-19487:
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Summary: Checkpoint start delay is always zero for single channel
tasks
Key: FLINK-19487
URL: https://issues.apache.org/jira/browse/FLINK-19487
Project: Flink
Issue Type: Bug
Components: Runtime / Metrics
Affects Versions: 1.11.2
Reporter: Piotr Nowojski
Assignee: Piotr Nowojski
Fix For: 1.12.0
In {{CheckpointBarrierAligner}} we are marking start of the checkpoint only if
the number of channels is more than 1. As a result of this,
{{checkpointStartDelay}} is never updated.
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