fenghong created KAFKA-9254:
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Summary: 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
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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