[jira] [Updated] (KAFKA-10143) Can no longer change replication throttle with reassignment tool

["Jason Gustafson (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/KAFKA-10143?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jason Gustafson updated KAFKA-10143:
------------------------------------
    Issue Type: Bug  (was: Improvement)

> Can no longer change replication throttle with reassignment tool
> ----------------------------------------------------------------
>
>                 Key: KAFKA-10143
>                 URL: https://issues.apache.org/jira/browse/KAFKA-10143
>             Project: Kafka
>          Issue Type: Bug
>            Reporter: Jason Gustafson
>            Priority: Blocker
>             Fix For: 2.6.0
>
>
> Previously we could use --execute with the --throttle option in order to change the quota of an active reassignment. We seem to have lost this with KIP-455. The code has the following comment:
> {code}
>     val reassignPartitionsInProgress = zkClient.reassignPartitionsInProgress()
>     if (reassignPartitionsInProgress) {
>       // Note: older versions of this tool would modify the broker quotas here (but not
>       // topic quotas, for some reason).  This behavior wasn't documented in the --execute
>       // command line help.  Since it might interfere with other ongoing reassignments,
>       // this behavior was dropped as part of the KIP-455 changes.
>       throw new TerseReassignmentFailureException(cannotExecuteBecauseOfExistingMessage)
>     }
> {code}
> Seems like it was a mistake to change this because it breaks compatibility. We probably have to revert.



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