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https://issues.apache.org/jira/browse/KAFKA-7382?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16699912#comment-16699912
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ASF GitHub Bot commented on KAFKA-7382:
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sumannewton opened a new pull request #5822: Fixed KAFKA-7382 - guarantee
atleast one replica of partition to be alive during topic creation.
URL: https://github.com/apache/kafka/pull/5822
Validate that the replica assignment provided during topic creation contains
at least one alive broker in the kafka cluster.
Reuse the method AdminZkClient.validateReplicaAssignment().
- Test for creating a topic with replica assignment with valid brokers.
- Test for creating a topic with replica assignment with invalid brokers.
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> We shoud guarantee at lest one replica of partition should be alive when
> create or update topic
> -----------------------------------------------------------------------------------------------
>
> Key: KAFKA-7382
> URL: https://issues.apache.org/jira/browse/KAFKA-7382
> Project: Kafka
> Issue Type: Bug
> Components: core
> Affects Versions: 0.10.2.0
> Reporter: zhaoshijie
> Priority: Major
>
> For example：I have brokers: 1,2,3,4,5. I create a new topic by command:
> {code:java}
> sh kafka-topics.sh --create --topic replicaserror --zookeeper localhost:2181
> --replica-assignment 11:12:13,12:13:14,14:15:11,14:12:11,13:14:11
> {code}
> Then kafkaController will process this,after partitionStateMachine and
> replicaStateMachine handle state change,topic metadatas and state will be
> strange,partitions is on NewPartition and replicas is on OnlineReplica.
> Next wo can not delete this topic（bacase state change illegal ）,This will
> cause a number of problems.So i think wo shoud check replicas assignment when
> create or update topic.
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