[jira] [Commented] (AMBARI-13738) Checking the vm.swappiness Kernel Parameter

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

    [ https://issues.apache.org/jira/browse/AMBARI-13738?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14992098#comment-14992098 ] 

Hadoop QA commented on AMBARI-13738:
------------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12770796/AMBARI-13738.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 5 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 release audit{color}.  The applied patch does not increase the total number of release audit warnings.

    {color:red}-1 core tests{color}.  The patch failed these unit tests in ambari-server ambari-web:

                  org.apache.ambari.server.agent.AgentResourceTest

                                      The test build failed in ambari-web 

Test results: https://builds.apache.org/job/Ambari-trunk-test-patch/4181//testReport/
Console output: https://builds.apache.org/job/Ambari-trunk-test-patch/4181//console

This message is automatically generated.

> Checking the vm.swappiness Kernel Parameter
> -------------------------------------------
>
>                 Key: AMBARI-13738
>                 URL: https://issues.apache.org/jira/browse/AMBARI-13738
>             Project: Ambari
>          Issue Type: New Feature
>          Components: ambari-agent, ambari-server, ambari-web
>            Reporter: Canan Girgin
>            Priority: Trivial
>         Attachments: AMBARI-13738.patch
>
>
> Swappiness parameter is set to 60 by default. This is not suitable for Hadoop clusters.  When installing new cluster,  Ambari should be check  if the swappiness parameter is less than 10 .



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