[jira] [Created] (KAFKA-10227) Enforce cleanup policy to only contain compact or delete once

[Mickael Maison (Jira)]

Mickael Maison created KAFKA-10227:
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             Summary: Enforce cleanup policy to only contain compact or delete 
once
                 Key: KAFKA-10227
                 URL: https://issues.apache.org/jira/browse/KAFKA-10227
             Project: Kafka
          Issue Type: Bug
          Components: core
    Affects Versions: 2.6.0
            Reporter: Mickael Maison


When creating or altering a topic, it's possible to set cleanup.policy to 
values like "compact,compact,delete".

For example:
 {{./bin/kafka-topics.sh --bootstrap-server localhost:9092 --create --topic 
test --partitions 1 --replication-factor 1 --config 
cleanup.policy=compact,compact,delete}}

{{./bin/kafka-topics.sh --bootstrap-server localhost:9092 --describe}}
 {{Topic: test PartitionCount: 1 ReplicationFactor: 1 Configs: 
cleanup.policy=compact,compact,delete,segment.bytes=1073741824}}

 

 We should prevent this and enforce cleanup policy contains each value only 
once.



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