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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-7496) Fix FsVolume removal race conditions on the DataNode
Date Wed, 14 Jan 2015 21:49:34 GMT

    [ https://issues.apache.org/jira/browse/HDFS-7496?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14277755#comment-14277755
] 

Hadoop QA commented on HDFS-7496:
---------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12692285/HDFS-7496.004.patch
  against trunk revision d336d13.

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

    {color:green}+1 tests included{color}.  The patch appears to include 9 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:red}-1 core tests{color}.  The patch failed these unit tests in hadoop-hdfs-project/hadoop-hdfs:

                  org.apache.hadoop.hdfs.server.namenode.ha.TestPipelinesFailover

Test results: https://builds.apache.org/job/PreCommit-HDFS-Build/9209//testReport/
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/9209//console

This message is automatically generated.

> Fix FsVolume removal race conditions on the DataNode 
> -----------------------------------------------------
>
>                 Key: HDFS-7496
>                 URL: https://issues.apache.org/jira/browse/HDFS-7496
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: Colin Patrick McCabe
>            Assignee: Lei (Eddy) Xu
>         Attachments: HDFS-7496.000.patch, HDFS-7496.001.patch, HDFS-7496.002.patch, HDFS-7496.003.patch,
HDFS-7496.003.patch, HDFS-7496.004.patch
>
>
> We discussed a few FsVolume removal race conditions on the DataNode in HDFS-7489.  We
should figure out a way to make removing an FsVolume safe.



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