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Posted to dev@kafka.apache.org by "Joel Koshy (JIRA)" <ji...@apache.org> on 2012/08/14 20:31:38 UTC

[jira] [Updated] (KAFKA-340) ensure ISR has enough brokers during clean shutdown of a broker

     [ https://issues.apache.org/jira/browse/KAFKA-340?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Joel Koshy updated KAFKA-340:
-----------------------------

    Labels: optimization  (was: )
    
> ensure ISR has enough brokers during clean shutdown of a broker
> ---------------------------------------------------------------
>
>                 Key: KAFKA-340
>                 URL: https://issues.apache.org/jira/browse/KAFKA-340
>             Project: Kafka
>          Issue Type: Sub-task
>          Components: core
>    Affects Versions: 0.8
>            Reporter: Jun Rao
>              Labels: optimization
>
> If we are shutting down a broker when the ISR of a partition includes only that broker, we could lose some messages that have been previously committed. For clean shutdown, we need to guarantee that there is at least 1 other broker in ISR after the broker is shut down.

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