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https://issues.apache.org/jira/browse/YARN-1290?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13794614#comment-13794614
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Hadoop QA commented on YARN-1290:
---------------------------------
{color:green}+1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12608370/YARN-1290.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/2172//testReport/
Console output: https://builds.apache.org/job/PreCommit-YARN-Build/2172//console
This message is automatically generated.
> Let continuous scheduling achieve more balanced task assignment
> ---------------------------------------------------------------
>
> Key: YARN-1290
> URL: https://issues.apache.org/jira/browse/YARN-1290
> Project: Hadoop YARN
> Issue Type: Improvement
> Reporter: Wei Yan
> Assignee: Wei Yan
> Attachments: main.pdf, YARN-1290.patch
>
>
> Currently, in continuous scheduling (YARN-1010), in each round, the thread
> iterates over pre-ordered nodes and assigns tasks. This mechanism may
> overload the first several nodes, while the latter nodes have no tasks.
> We should sort all nodes according to available resource. In each round,
> always assign tasks to nodes with larger capacity, which can balance the load
> distribution among all nodes.
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