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