[jira] [Created] (KAFKA-7209) Kafka stream does not rebalance when one node gets down

["Yogesh BG (JIRA)" <ji...@apache.org>]

Yogesh BG created KAFKA-7209:
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             Summary: Kafka stream does not rebalance when one node gets down
                 Key: KAFKA-7209
                 URL: https://issues.apache.org/jira/browse/KAFKA-7209
             Project: Kafka
          Issue Type: Bug
          Components: streams
    Affects Versions: 0.11.0.1
            Reporter: Yogesh BG


I use kafka streams 0.11.0.1session timeout 60000, retries to be int.max and backoff time default
 
I have 3 nodes running kafka cluster of 3 broker

and i am running the 3 kafka stream with same [application.id|http://application.id/]
each node has one broker one kafka stream application
everything works fine during setup
i bringdown one node, so one kafka broker and one streaming app is down
now i see exceptions in other two streaming apps and it never gets re balanced waited for hours and never comes back to norma
is there anything am missing?
i also tried looking into when one broker is down call stream.close, cleanup and restart this also doesn't help
can anyone help me?
 
 
 
 One thing i observed lately is that kafka topics with partitions one gets reassigned but i have topics of 16 partitions and replication factor 3. It never settles up



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