John Roesler created KAFKA-9562:
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Summary: Streams not making progress under heavy failures with EOS
enabled on 2.5 branch
Key: KAFKA-9562
URL: https://issues.apache.org/jira/browse/KAFKA-9562
Project: Kafka
Issue Type: Bug
Components: streams
Affects Versions: 2.5.0
Reporter: John Roesler
Assignee: Boyang Chen
Fix For: 2.5.0
During soak testing in preparation for the 2.5.0 release, we have discovered a
case in which Streams appears to stop making progress. Specifically, this is a
failure-resilience test in which we inject network faults separating the
instances from the brokers roughly every twenty minutes.
On 2.4, Streams would obviously spend a lot of time rebalancing under this
scenario, but would still make progress. However, on the current 2.5 branch,
Streams effectively stops making progress except rarely.
This appears to be a severe regression, so I'm filing this ticket as a 2.5.0
release blocker.
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