Fu Kai created FLINK-22950:
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Summary: Back-pressure report final sink operator is not accurate
Key: FLINK-22950
URL: https://issues.apache.org/jira/browse/FLINK-22950
Project: Flink
Issue Type: Bug
Components: Runtime / Metrics
Affects Versions: 1.13.1
Reporter: Fu Kai
Fix For: 1.14.0
We noticed the back-pressure status of the final sink on the job graph is not
accurate. It's apparently the final sink operator should receive back-pressure
from the sink storage(ElasitcSearch/Kafka), while it's always showing not
back-pressured(with value of 0, but always showing 100% busy though).
This is confirmed by switching the sink to be more powerful and without
changing any other configurations. We noticed the record publish rate increases
significantly.
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