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Posted to dev@kafka.apache.org by "Neha Narkhede (JIRA)" <ji...@apache.org> on 2013/02/23 00:00:14 UTC

[jira] [Closed] (KAFKA-762) Improve second replica assignment

     [ https://issues.apache.org/jira/browse/KAFKA-762?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Neha Narkhede closed KAFKA-762.
-------------------------------

    
> Improve second replica assignment
> ---------------------------------
>
>                 Key: KAFKA-762
>                 URL: https://issues.apache.org/jira/browse/KAFKA-762
>             Project: Kafka
>          Issue Type: Improvement
>          Components: core
>    Affects Versions: 0.8
>            Reporter: Jun Rao
>            Assignee: Jun Rao
>            Priority: Blocker
>              Labels: p2
>             Fix For: 0.8
>
>         Attachments: kafka-762_v1.patch
>
>
> Currently, for partitions from different topics, if the first replica is assigned to the same broker, their second replica is also assigned to the same broker. This means that when a broker fails, many leaders on the failed broker will be moved to the same broker, and thus introduces more load on that broker.

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