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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-8072) Reserved RBW space is not released if client terminates while writing block
Date Tue, 07 Apr 2015 06:01:13 GMT

    [ https://issues.apache.org/jira/browse/HDFS-8072?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14482646#comment-14482646
] 

Hadoop QA commented on HDFS-8072:
---------------------------------

{color:green}+1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12723521/HDFS-8072.01.patch
  against trunk revision 3fb5abf.

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

    {color:green}+1 tests included{color}.  The patch appears to include 3 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/10187//testReport/
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/10187//console

This message is automatically generated.

> Reserved RBW space is not released if client terminates while writing block
> ---------------------------------------------------------------------------
>
>                 Key: HDFS-8072
>                 URL: https://issues.apache.org/jira/browse/HDFS-8072
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: datanode
>    Affects Versions: 2.6.0
>            Reporter: Arpit Agarwal
>            Assignee: Arpit Agarwal
>         Attachments: HDFS-8072.01.patch, HDFS-8072.02.patch
>
>
> The DataNode reserves space for a full block when creating an RBW block (introduced in
HDFS-6898).
> The reserved space is released incrementally as data is written to disk and fully when
the block is finalized. However if the client process terminates unexpectedly mid-write then
the reserved space is not released until the DN is restarted.



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