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https://issues.apache.org/jira/browse/YARN-2144?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14034725#comment-14034725
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Hadoop QA commented on YARN-2144:
---------------------------------
{color:green}+1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12650937/YARN-2144.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 7 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: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-server/hadoop-yarn-server-resourcemanager.
{color:green}+1 contrib tests{color}. The patch passed contrib unit tests.
Test results:
https://builds.apache.org/job/PreCommit-YARN-Build/4018//testReport/
Console output: https://builds.apache.org/job/PreCommit-YARN-Build/4018//console
This message is automatically generated.
> Add logs when preemption occurs
> -------------------------------
>
> Key: YARN-2144
> URL: https://issues.apache.org/jira/browse/YARN-2144
> Project: Hadoop YARN
> Issue Type: Improvement
> Components: capacityscheduler
> Affects Versions: 2.5.0
> Reporter: Tassapol Athiapinya
> Assignee: Wangda Tan
> Attachments: AM-page-preemption-info.png, YARN-2144.patch,
> YARN-2144.patch, YARN-2144.patch, YARN-2144.patch
>
>
> There should be easy-to-read logs when preemption does occur.
> 1. For debugging purpose, RM should log this.
> 2. For administrative purpose, RM webpage should have a page to show recent
> preemption events.
> RM logs should have following properties:
> * Logs are retrievable when an application is still running and often flushed.
> * Can distinguish between AM container preemption and task container
> preemption with container ID shown.
> * Should be INFO level log.
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