[jira] [Commented] (YARN-405) Add command start-up time to environment of a container to track launch costs

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

    [ https://issues.apache.org/jira/browse/YARN-405?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13578696#comment-13578696 ] 

Hadoop QA commented on YARN-405:
--------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12569388/YARN-405.1.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:red}-1 eclipse:eclipse{color}.  The patch failed to build 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-yarn-project/hadoop-yarn/hadoop-yarn-api hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager.

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

Test results: https://builds.apache.org/job/PreCommit-YARN-Build/408//testReport/
Console output: https://builds.apache.org/job/PreCommit-YARN-Build/408//console

This message is automatically generated.
                
> Add command start-up time to environment of a container to track launch costs
> -----------------------------------------------------------------------------
>
>                 Key: YARN-405
>                 URL: https://issues.apache.org/jira/browse/YARN-405
>             Project: Hadoop YARN
>          Issue Type: Improvement
>            Reporter: Hitesh Shah
>            Assignee: Hitesh Shah
>            Priority: Minor
>              Labels: container
>         Attachments: YARN-405.1.patch
>
>
> For applications like MapReduce, jvm launch cost has always been considered a factor in performance. Adding some basic information into the environment will alway an application to track its startup costs. 

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