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https://issues.apache.org/jira/browse/YARN-568?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13651488#comment-13651488
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Hadoop QA commented on YARN-568:
--------------------------------
{color:green}+1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12582208/YARN-568-2.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: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/893//testReport/
Console output: https://builds.apache.org/job/PreCommit-YARN-Build/893//console
This message is automatically generated.
> FairScheduler: support for work-preserving preemption
> ------------------------------------------------------
>
> Key: YARN-568
> URL: https://issues.apache.org/jira/browse/YARN-568
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: scheduler
> Reporter: Carlo Curino
> Assignee: Carlo Curino
> Attachments: YARN-568-1.patch, YARN-568-2.patch, YARN-568-2.patch,
> YARN-568.patch, YARN-568.patch
>
>
> In the attached patch, we modified the FairScheduler to substitute its
> preemption-by-killling with a work-preserving version of preemption (followed
> by killing if the AMs do not respond quickly enough). This should allows to
> run preemption checking more often, but kill less often (proper tuning to be
> investigated). Depends on YARN-567 and YARN-45, is related to YARN-569.
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