[jira] [Assigned] (KAFKA-10413) rebalancing leads to unevenly balanced connectors

["Konstantine Karantasis (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/KAFKA-10413?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Konstantine Karantasis reassigned KAFKA-10413:
----------------------------------------------

    Assignee: rameshkrishnan muthusamy

> 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
>            Assignee: rameshkrishnan muthusamy
>            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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