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From "Simon Wan Wenli (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (KAFKA-4083) ReassignPartitionsCommand does not check replication factor
Date Wed, 24 Aug 2016 09:53:20 GMT

     [ https://issues.apache.org/jira/browse/KAFKA-4083?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Simon Wan Wenli updated KAFKA-4083:
-----------------------------------
    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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