Nissim Shiman created NIFI-11388:
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Summary: Backpressure queue settings loosely followed
Key: NIFI-11388
URL: https://issues.apache.org/jira/browse/NIFI-11388
Project: Apache NiFi
Issue Type: Improvement
Reporter: Nissim Shiman
The backpressure settings on connections between processors are only loosely
followed. More flowfiles can end up on queues than configured via backpressure
setting.
For example, set up flow:
GenerateFlowFile -> UpdateAttribute -> (some processor)
where
GenerateFlowFile has _Custom Text_ set to be _hello_
and Run Schedule is set to be _0 min_
and
the connection following UpdateAttribute has _Back Pressure Object Threshold_
set to be _100_
Start GenerateFlowFile.
Wait a few moments until outgoing connection fills up.
Start UpdateAttribute
OutGoing conection will have more than 100 flowfiles on it
(I had over 1000 on mine when running these steps)
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