[jira] [Created] (KAFKA-15430) Kafla create replca partition on controller node

[Andrii Vysotskiy (Jira)]

Andrii Vysotskiy created KAFKA-15430:
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             Summary: Kafla create replca partition on controller node
                 Key: KAFKA-15430
                 URL: https://issues.apache.org/jira/browse/KAFKA-15430
             Project: Kafka
          Issue Type: Test
          Components: kraft
    Affects Versions: 3.5.1
            Reporter: Andrii Vysotskiy


{*}{*}I have configuration 5 nodes, with next roles: 4 broker+controller and 1 
controller. Create topic with replication factor 5, and it is created, and 
describe show that topic partition have 5 replicas.

 

{{/opt/kafka/latest/bin/kafka-topics.sh --create 
--bootstrap-server=dc1-prod-kafka-001-vs:9092 --replication-factor 5 
--partitions 1 --topic test5}}

 

{{/opt/kafka/latest/bin/kafka-topics.sh --describe --topic test5 
--bootstrap-server=dc1-prod-kafka-001-vs:9092
Topic: test5 TopicId: amuqr8EgRmqeKryUHZwsMA PartitionCount: 1 
ReplicationFactor: 5 Configs: segment.bytes=1073741824
Topic: test5 Partition: 0 Leader: 3 Replicas: 3,4,1,2,5 Isr: 3,4,1,2}}

{{}}

Replicas 5 and ISR 4. Why does kafka initially allow you to create a replica on 
the controller node, although in reality the replica is not created on the 
controller node and there are no topic files in the log directory.

Is this expected behavior or not? Thanks.

I want to understand whether such behavior is the norm for Kafka

{{}}



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