[jira] [Commented] (KAFKA-14420) MirrorMaker should not clear filtered configs on target topics

["Chris Egerton (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/KAFKA-14420?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17710197#comment-17710197 ] 

Chris Egerton commented on KAFKA-14420:
---------------------------------------

Addressed with [KIP-894|https://cwiki.apache.org/confluence/display/KAFKA/KIP-894%3A+Use+incrementalAlterConfigs+API+for+syncing+topic+configurations].

> MirrorMaker should not clear filtered configs on target topics
> --------------------------------------------------------------
>
>                 Key: KAFKA-14420
>                 URL: https://issues.apache.org/jira/browse/KAFKA-14420
>             Project: Kafka
>          Issue Type: Bug
>          Components: mirrormaker
>    Affects Versions: 3.3.1
>            Reporter: Mickael Maison
>            Assignee: Gantigmaa Selenge
>            Priority: Major
>             Fix For: 3.5.0
>
>
> If you set additional configurations on a remote topic, MirrorMaker will clear them when it syncs topic configurations.
> The issue is that it also clears topic configurations that are filtered. For example this prevents running Cruise Control on the target cluster as it may set follower.replication.throttled.replicas and leader.replication.throttled.replicas.
> MirrorMaker should not clear topic configurations that are filtered on the target cluster.



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