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https://issues.apache.org/jira/browse/KAFKA-10413?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17194047#comment-17194047
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Florian Rossier commented on KAFKA-10413:
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Hi,
We are also affected by this issue, seem's for us that is started with 2.3.0,
when the incremental cooperative rebalancing was introduced.
We mainly notice this issue with HDFS connectors on our side.
BR
> rebalancing leads to unevenly balanced connectors
> -------------------------------------------------
>
> Key: KAFKA-10413
> URL: https://issues.apache.org/jira/browse/KAFKA-10413
> Project: Kafka
> Issue Type: Bug
> Components: KafkaConnect
> Affects Versions: 2.5.1
> Reporter: yazgoo
> Priority: Major
> Attachments: connect_worker_balanced.png
>
>
> Hi,
> With CP 5.5, running kafka connect s3 sink on EC2 whith autoscaling enabled,
> if a connect instance disappear, or a new one appear, we're seeing unbalanced
> consumption, much like mentionned in this post:
> [https://stackoverflow.com/questions/58644622/incremental-cooperative-rebalancing-leads-to-unevenly-balanced-connectors]
> This usually leads to one kafka connect instance taking most of the load and
> consumption not being able to keep on.
> Currently, we're "fixing" this by deleting the connector and re-creating it,
> but this is far from ideal.
> Any suggestion on what we could do to mitigate this ?
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