Joseph Witt created NIFI-3189:
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Summary: ConsumeKafka 0.9 and 0.10 can cause consumer rebalance
when backpressure is engaged
Key: NIFI-3189
URL: https://issues.apache.org/jira/browse/NIFI-3189
Project: Apache NiFi
Issue Type: Bug
Affects Versions: 1.1.0
Reporter: Joseph Witt
ConsumeKafka processors can alert to rebalance issues when backpressure is
engaged on the output connection and is then freed up. This is because we're
not doing anything with those consumers for a period of time and the kafka
client detects this and initiates a rebalance. We should ensure that even when
we cannot send more data due to back pressure that we at least have some sort
of keep alive behavior with the kafka client. Or, if that isn't an option we
should at least document the situation.
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