[jira] [Commented] (YARN-160) nodemanagers should obtain cpu/memory values from underlying OS

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

    [ https://issues.apache.org/jira/browse/YARN-160?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14267926#comment-14267926 ] 

Hadoop QA commented on YARN-160:
--------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12690562/apache-yarn-160.3.patch
  against trunk revision 788ee35.

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

    {color:green}+1 tests included{color}.  The patch appears to include 4 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 29 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-tools/hadoop-gridmix hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager.

Test results: https://builds.apache.org/job/PreCommit-YARN-Build/6269//testReport/
Findbugs warnings: https://builds.apache.org/job/PreCommit-YARN-Build/6269//artifact/patchprocess/newPatchFindbugsWarningshadoop-gridmix.html
Console output: https://builds.apache.org/job/PreCommit-YARN-Build/6269//console

This message is automatically generated.

> nodemanagers should obtain cpu/memory values from underlying OS
> ---------------------------------------------------------------
>
>                 Key: YARN-160
>                 URL: https://issues.apache.org/jira/browse/YARN-160
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: nodemanager
>    Affects Versions: 2.0.3-alpha
>            Reporter: Alejandro Abdelnur
>            Assignee: Varun Vasudev
>             Fix For: 2.7.0
>
>         Attachments: apache-yarn-160.0.patch, apache-yarn-160.1.patch, apache-yarn-160.2.patch, apache-yarn-160.3.patch
>
>
> As mentioned in YARN-2
> *NM memory and CPU configs*
> Currently these values are coming from the config of the NM, we should be able to obtain those values from the OS (ie, in the case of Linux from /proc/meminfo & /proc/cpuinfo). As this is highly OS dependent we should have an interface that obtains this information. In addition implementations of this interface should be able to specify a mem/cpu offset (amount of mem/cpu not to be avail as YARN resource), this would allow to reserve mem/cpu for the OS and other services outside of YARN containers.



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