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From "Arpit Agarwal (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-7596) NameNode should prune dead storages from storageMap
Date Fri, 09 Jan 2015 23:12:34 GMT

    [ https://issues.apache.org/jira/browse/HDFS-7596?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14272040#comment-14272040
] 

Arpit Agarwal commented on HDFS-7596:
-------------------------------------

Thanks for the quick review Chris! Commit pending Jenkins +1.

> NameNode should prune dead storages from storageMap
> ---------------------------------------------------
>
>                 Key: HDFS-7596
>                 URL: https://issues.apache.org/jira/browse/HDFS-7596
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: namenode
>    Affects Versions: 2.6.0
>            Reporter: Arpit Agarwal
>            Assignee: Arpit Agarwal
>         Attachments: HDFS-7596.01.patch
>
>
> The NameNode must be able to prune storages that are no longer reported by the DataNode
and that have no blocks associated. These stale storages can skew the balancer behavior.
> Detailed discussion on HDFS-7575.



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