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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-6583) Remove clientNode in FileUnderConstructionFeature
Date Sat, 21 Jun 2014 00:23:24 GMT

    [ https://issues.apache.org/jira/browse/HDFS-6583?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14039592#comment-14039592
] 

Hadoop QA commented on HDFS-6583:
---------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12651743/HDFS-6583.000.patch
  against trunk revision .

    {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:red}-1 findbugs{color}.  The patch appears to introduce 1 new Findbugs (version
1.3.9) 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.

    {color:green}+1 contrib tests{color}.  The patch passed contrib unit tests.

Test results: https://builds.apache.org/job/PreCommit-HDFS-Build/7193//testReport/
Findbugs warnings: https://builds.apache.org/job/PreCommit-HDFS-Build/7193//artifact/trunk/patchprocess/newPatchFindbugsWarningshadoop-hdfs.html
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/7193//console

This message is automatically generated.

> Remove clientNode in FileUnderConstructionFeature
> -------------------------------------------------
>
>                 Key: HDFS-6583
>                 URL: https://issues.apache.org/jira/browse/HDFS-6583
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: namenode
>            Reporter: Haohui Mai
>            Assignee: Haohui Mai
>            Priority: Minor
>         Attachments: HDFS-6583.000.patch, HDFS-6583.001.patch
>
>
> {{FileUnderConstructionFeature}} contains two fields {{clientMachine}} and {{clientNode}}.
{{clientNode}} keeps a reference of a {{DatanodeDescriptor}}. The reference be recomputed
by consulting {{DatanodeManager}}.
> This jira proposes to remove {{clientNode}} in the {{FileUnderConstructionFeature}} to
simplify the code and to reduce overhead.



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