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Posted to jira@kafka.apache.org by "Andrey (Jira)" <ji...@apache.org> on 2021/03/18 10:25:00 UTC

[jira] [Updated] (KAFKA-12390) error when storing group assignment during SyncGroup

     [ https://issues.apache.org/jira/browse/KAFKA-12390?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andrey updated KAFKA-12390:
---------------------------
    Attachment:     (was: negative lag kafka.png)

> error when storing group assignment during SyncGroup 
> -----------------------------------------------------
>
>                 Key: KAFKA-12390
>                 URL: https://issues.apache.org/jira/browse/KAFKA-12390
>             Project: Kafka
>          Issue Type: Bug
>          Components: offset manager
>    Affects Versions: 2.4.0
>            Reporter: Andrey
>            Priority: Major
>
> There is a cluster consisting of 3 nodes
> Apache Kafka Cluster 2.4.0
> messages were observed in the logs of one of the nodes:
> Preparing to rebalance group corecft-adapter2 in state PreparingRebalance with old generation 5043 (__consumer_offsets-22) (reason: error when storing group assignment during SyncGroup (member: consumer-5-5f3f994d-7c7c-43d6-8e0b-e011bdc2f9ba)) (kafka. coordinator.group.GroupCoordinator)
> Messages from the topic were read, but no commit occurred. then there was balancing and the data in the topics was "doubled". There was also a "negative" lag
> there are no error messages in the zookeeper logs
>  



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