[jira] [Commented] (HADOOP-10111) Allow DU to be initialized with an initial value

["Hadoop QA (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HADOOP-10111?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13825977#comment-13825977 ] 

Hadoop QA commented on HADOOP-10111:
------------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12614499/HADOOP-10111.patch
  against trunk revision .

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

    {color:red}-1 tests included{color}.  The patch doesn't appear to include any new or modified tests.
                        Please justify why no new tests are needed for this patch.
                        Also please list what manual steps were performed to verify this patch.

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

    {color:green}+1 javadoc{color}.  The javadoc tool did not generate any 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 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-common-project/hadoop-common.

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

Test results: https://builds.apache.org/job/PreCommit-HADOOP-Build/3294//testReport/
Console output: https://builds.apache.org/job/PreCommit-HADOOP-Build/3294//console

This message is automatically generated.

> Allow DU to be initialized with an initial value
> ------------------------------------------------
>
>                 Key: HADOOP-10111
>                 URL: https://issues.apache.org/jira/browse/HADOOP-10111
>             Project: Hadoop Common
>          Issue Type: Improvement
>            Reporter: Kihwal Lee
>            Assignee: Kihwal Lee
>         Attachments: HADOOP-10111.patch
>
>
> When a DU object is created, the du command runs right away. If the target directory contains a huge number of files and directories, its constructor may not return for many seconds.  It will be nice if it can be told to delay the initial scan and use a specified initial "used" value.



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