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https://issues.apache.org/jira/browse/KAFKA-9254?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17003140#comment-17003140
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ASF GitHub Bot commented on KAFKA-9254:
---------------------------------------
huxihx commented on pull request #7870: KAFKA-9254: Topic level configuration
failed
URL: https://github.com/apache/kafka/pull/7870
https://issues.apache.org/jira/browse/KAFKA-9254
Currently, when dynamic broker config is updated, the log config will be
recreated with an empty overridden configs. In such case, when updating dynamic
broker configs a second round, the topic-level configs will lost.
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*Summary of testing strategy (including rationale)
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### Committer Checklist (excluded from commit message)
- [ ] Verify design and implementation
- [ ] Verify test coverage and CI build status
- [ ] Verify documentation (including upgrade notes)
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> Topic level configuration failed
> --------------------------------
>
> Key: KAFKA-9254
> URL: https://issues.apache.org/jira/browse/KAFKA-9254
> Project: Kafka
> Issue Type: Bug
> Components: config, log, replication
> Affects Versions: 2.0.1
> Reporter: fenghong
> Assignee: huxihx
> Priority: Critical
>
> We are engineers at Huobi and now encounter Kafka BUG
> Modifying DynamicBrokerConfig more than 2 times will invalidate the topic
> level unrelated configuration
> The bug reproduction method as follows：
> # Set Kafka Broker config server.properties min.insync.replicas=3
> # Create topic test-1 and set topic‘s level config min.insync.replicas=2
> # Dynamically modify the configuration twice as shown below
> {code:java}
> bin/kafka-configs.sh --bootstrap-server xxx:9092 --entity-type brokers
> --entity-default --alter --add-config log.message.timestamp.type=LogAppendTime
> bin/kafka-configs.sh --bootstrap-server xxx:9092 --entity-type brokers
> --entity-default --alter --add-config log.retention.ms=604800000
> {code}
> # stop a Kafka Server and found the Exception as shown below
> org.apache.kafka.common.errors.NotEnoughReplicasException: Number of insync
> replicas for partition test-1-0 is [2], below required minimum [3]
>
>
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