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https://issues.apache.org/jira/browse/KAFKA-4083?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Simon Wan Wenli updated KAFKA-4083:
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Description: ReassignPartitionsCommand does not check whether the
replication factor of a partition is the same as existing replication factor,
which may result that different partitions of a topic have different number of
replicas. More specifically, TopicCommand will throw exception which contains
"All partitions should have the same number of replicas." as the message when
the user tries to add partitions. I think this loophole also may leave Kafka in
a situation from which it is difficult to recover. (was:
ReassignPartitionsCommand does not check whether the replication factor of a
partition is the same as existing replication factor, which may result that
different partitions of a topic have different number of partitions. More
specifically, TopicCommand will throw exception which contains "All partitions
should have the same number of replicas." as the message when the user tries to
add partitions. I think this loophole also may leave Kafka in a situation from
which it is difficult to recover.)
> ReassignPartitionsCommand does not check replication factor
> -----------------------------------------------------------
>
> Key: KAFKA-4083
> URL: https://issues.apache.org/jira/browse/KAFKA-4083
> Project: Kafka
> Issue Type: Bug
> Components: admin, core
> Affects Versions: 0.8.2.0, 0.9.0.0, 0.10.0.0
> Environment: Linux 14.04 LTS, Scala 2.10
> Reporter: Simon Wan Wenli
> Assignee: Simon Wan Wenli
> Priority: Minor
> Labels: newbie
> Fix For: 0.8.2.0, 0.9.0.0, 0.10.0.0
>
> Original Estimate: 48h
> Remaining Estimate: 48h
>
> ReassignPartitionsCommand does not check whether the replication factor of a
> partition is the same as existing replication factor, which may result that
> different partitions of a topic have different number of replicas. More
> specifically, TopicCommand will throw exception which contains "All
> partitions should have the same number of replicas." as the message when the
> user tries to add partitions. I think this loophole also may leave Kafka in a
> situation from which it is difficult to recover.
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