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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-7596) NameNode should prune dead storages from storageMap
Date Sat, 10 Jan 2015 05:17:34 GMT

    [ https://issues.apache.org/jira/browse/HDFS-7596?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14272348#comment-14272348
] 

Hadoop QA commented on HDFS-7596:
---------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12691464/HDFS-7596.02.patch
  against trunk revision a260406.

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:green}+1 tests included{color}.  The patch appears to include 2 new or modified
test files.

    {color:green}+1 javac{color}.  The applied patch does not increase the total number of
javac compiler warnings.

    {color:green}+1 javadoc{color}.  There were no new javadoc warning messages.

    {color:green}+1 eclipse:eclipse{color}.  The patch built with eclipse:eclipse.

    {color:green}+1 findbugs{color}.  The patch does not introduce any new Findbugs (version
2.0.3) warnings.

    {color:green}+1 release audit{color}.  The applied patch does not increase the total number
of release audit warnings.

    {color:green}+1 core tests{color}.  The patch passed unit tests in hadoop-hdfs-project/hadoop-hdfs.

Test results: https://builds.apache.org/job/PreCommit-HDFS-Build/9179//testReport/
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/9179//console

This message is automatically generated.

> 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, 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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