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From "Chris Nauroth (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-7596) NameNode should prune dead storages from storageMap
Date Sat, 10 Jan 2015 17:24:34 GMT

     [ https://issues.apache.org/jira/browse/HDFS-7596?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Chris Nauroth updated HDFS-7596:
--------------------------------
       Resolution: Fixed
    Fix Version/s: 2.7.0
           Status: Resolved  (was: Patch Available)

+1 for patch v02.  I committed this to trunk and branch-2.  Arpit, thank you for the patch.
 Lars, thank you for help with the code review.

> 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
>             Fix For: 2.7.0
>
>         Attachments: HDFS-7596.01.patch, HDFS-7596.02.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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