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https://issues.apache.org/jira/browse/HADOOP-8608?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13473321#comment-13473321
 ] 

Hadoop QA commented on HADOOP-8608:
-----------------------------------

{color:green}+1 overall{color}.  Here are the results of testing the latest 
attachment 
  http://issues.apache.org/jira/secure/attachment/12548457/8608-2.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 1 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}.  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/1597//testReport/
Console output: 
https://builds.apache.org/job/PreCommit-HADOOP-Build/1597//console

This message is automatically generated.
                
> Add Configuration API for parsing time durations
> ------------------------------------------------
>
>                 Key: HADOOP-8608
>                 URL: https://issues.apache.org/jira/browse/HADOOP-8608
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: conf
>    Affects Versions: 3.0.0
>            Reporter: Todd Lipcon
>            Priority: Minor
>         Attachments: 8608-0.patch, 8608-1.patch, 8608-2.patch
>
>
> Hadoop has a lot of configurations which specify durations or intervals of 
> time. Unfortunately these different configurations have little consistency in 
> units - eg some are in milliseconds, some in seconds, and some in minutes. 
> This makes it difficult for users to configure, since they have to always 
> refer back to docs to remember the unit for each property.
> The proposed solution is to add an API like {{Configuration.getTimeDuration}} 
> which allows the user to specify the units with a postfix. For example, 
> "10ms", "10s", "10m", "10h", or even "10d". For backwards-compatibility, if 
> the user does not specify a unit, the API can specify the default unit, and 
> warn the user that they should specify an explicit unit instead.

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