Edoardo Comar created KAFKA-7861:
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Summary: AlterConfig may change the source of another config entry
if it matches the broker default
Key: KAFKA-7861
URL: https://issues.apache.org/jira/browse/KAFKA-7861
Project: Kafka
Issue Type: Bug
Components: core
Affects Versions: 2.1.0
Reporter: Edoardo Comar
Attachments: AlterConfigJira.java
* Create a topic with an explicit config entry that matches the broker's
default (e.g. '"cleanup.policy"="delete");
* Describe config - the entry will be of type DYNAMIC_TOPIC_CONFIG.
* Alter some other config for the topic (e.g `segment.bytes`)
* Describe config again - the previously DYNAMIC_TOPIC_CONFIG entry
("cleanup.policy") will be now described as DEFAULT_CONFIG.
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