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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-7596) NameNode should prune dead storages from storageMap
Date Sun, 11 Jan 2015 11:55:34 GMT

    [ https://issues.apache.org/jira/browse/HDFS-7596?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14272881#comment-14272881
] 

Hudson commented on HDFS-7596:
------------------------------

SUCCESS: Integrated in Hadoop-Yarn-trunk #804 (See [https://builds.apache.org/job/Hadoop-Yarn-trunk/804/])
HDFS-7596. NameNode should prune dead storages from storageMap. Contributed by Arpit Agarwal.
(cnauroth: rev ef3c3a832c2f0c1e5ccdda2ff8ef84902912955f)
* hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
* hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/blockmanagement/TestNameNodePrunesMissingStorages.java
* hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/blockmanagement/TestBlockManager.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/DatanodeDescriptor.java


> 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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