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https://issues.apache.org/jira/browse/YARN-2225?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14046480#comment-14046480
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Hadoop QA commented on YARN-2225:
---------------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12652908/YARN-2225.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}. There were no new javadoc 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-yarn-project/hadoop-yarn/hadoop-yarn-api.
{color:green}+1 contrib tests{color}. The patch passed contrib unit tests.
Test results:
https://builds.apache.org/job/PreCommit-YARN-Build/4126//testReport/
Console output: https://builds.apache.org/job/PreCommit-YARN-Build/4126//console
This message is automatically generated.
> Turn the virtual memory check to be off by default
> --------------------------------------------------
>
> Key: YARN-2225
> URL: https://issues.apache.org/jira/browse/YARN-2225
> Project: Hadoop YARN
> Issue Type: Bug
> Reporter: Anubhav Dhoot
> Assignee: Anubhav Dhoot
> Attachments: YARN-2225.patch
>
>
> The virtual memory check may not be the best way to isolate applications.
> Virtual memory is not the constrained resource. It would be better if we
> limit the swapping of the task using swapiness instead. This patch will turn
> this DEFAULT_NM_VMEM_CHECK_ENABLED off by default and let users turn it on if
> they need to.
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