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Posted to jira@kafka.apache.org by "Stanislav Kozlovski (Jira)" <ji...@apache.org> on 2020/09/22 16:08:00 UTC

[jira] [Updated] (KAFKA-10510) Reassigning partitions should not allow increasing RF of a partition unless configured with it

     [ https://issues.apache.org/jira/browse/KAFKA-10510?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Stanislav Kozlovski updated KAFKA-10510:
----------------------------------------
    Description: 
Kafka should have some validations in place against increasing the RF of a partition through a reassignment. Users could otherwise shoot themselves in the foot by increasing the RF of a topic by reassigning its partitions to extra replicas and then have new partition creations use a lesser (the configured) replication factor.

Our tools should ideally detect when RF is increasing inconsistently with the rest of the topic's partitions (or the default replication factor)

  was:
Kafka should have some validations in place against increasing the RF of a partition through a reassignment. Users could otherwise shoot themselves in the foot by increasing the RF of a topic by reassigning its partitions to extra replicas and then have new partition creations use a lesser (the configured) replication factor.

Our tools should ideally detect when RF is increasing inconsistently with the config and issue a separate command to change the config.


> Reassigning partitions should not allow increasing RF of a partition unless configured with it
> ----------------------------------------------------------------------------------------------
>
>                 Key: KAFKA-10510
>                 URL: https://issues.apache.org/jira/browse/KAFKA-10510
>             Project: Kafka
>          Issue Type: Improvement
>            Reporter: Stanislav Kozlovski
>            Priority: Major
>
> Kafka should have some validations in place against increasing the RF of a partition through a reassignment. Users could otherwise shoot themselves in the foot by increasing the RF of a topic by reassigning its partitions to extra replicas and then have new partition creations use a lesser (the configured) replication factor.
> Our tools should ideally detect when RF is increasing inconsistently with the rest of the topic's partitions (or the default replication factor)



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