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https://issues.apache.org/jira/browse/YARN-3920?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14720937#comment-14720937
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Hadoop QA commented on YARN-3920:
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| (/) *{color:green}+1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | pre-patch | 19m 3s | Pre-patch trunk compilation is
healthy. |
| {color:green}+1{color} | @author | 0m 0s | The patch does not contain any
@author tags. |
| {color:green}+1{color} | tests included | 0m 0s | The patch appears to
include 2 new or modified test files. |
| {color:green}+1{color} | javac | 8m 52s | There were no new javac warning
messages. |
| {color:green}+1{color} | javadoc | 9m 57s | There were no new javadoc
warning messages. |
| {color:green}+1{color} | release audit | 0m 23s | The applied patch does
not increase the total number of release audit warnings. |
| {color:green}+1{color} | checkstyle | 0m 55s | There were no new checkstyle
issues. |
| {color:green}+1{color} | whitespace | 0m 1s | The patch has no lines that
end in whitespace. |
| {color:green}+1{color} | install | 1m 26s | mvn install still works. |
| {color:green}+1{color} | eclipse:eclipse | 0m 33s | The patch built with
eclipse:eclipse. |
| {color:green}+1{color} | findbugs | 1m 27s | The patch does not introduce
any new Findbugs (version 3.0.0) warnings. |
| {color:green}+1{color} | yarn tests | 53m 25s | Tests passed in
hadoop-yarn-server-resourcemanager. |
| | | 96m 8s | |
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|| Subsystem || Report/Notes ||
| Patch URL |
http://issues.apache.org/jira/secure/attachment/12753105/YARN-3920.005.patch |
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | trunk / e2c9b28 |
| hadoop-yarn-server-resourcemanager test log |
https://builds.apache.org/job/PreCommit-YARN-Build/8939/artifact/patchprocess/testrun_hadoop-yarn-server-resourcemanager.txt
|
| Test Results |
https://builds.apache.org/job/PreCommit-YARN-Build/8939/testReport/ |
| Java | 1.7.0_55 |
| uname | Linux asf904.gq1.ygridcore.net 3.13.0-36-lowlatency #63-Ubuntu SMP
PREEMPT Wed Sep 3 21:56:12 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux |
| Console output |
https://builds.apache.org/job/PreCommit-YARN-Build/8939/console |
This message was automatically generated.
> FairScheduler Reserving a node for a container should be configurable to
> allow it used only for large containers
> ----------------------------------------------------------------------------------------------------------------
>
> Key: YARN-3920
> URL: https://issues.apache.org/jira/browse/YARN-3920
> Project: Hadoop YARN
> Issue Type: Improvement
> Components: fairscheduler
> Reporter: Anubhav Dhoot
> Assignee: Anubhav Dhoot
> Attachments: YARN-3920.004.patch, YARN-3920.004.patch,
> YARN-3920.004.patch, YARN-3920.004.patch, YARN-3920.005.patch,
> yARN-3920.001.patch, yARN-3920.002.patch, yARN-3920.003.patch
>
>
> Reserving a node for a container was designed for preventing large containers
> from starvation from small requests that keep getting into a node. Today we
> let this be used even for a small container request. This has a huge impact
> on scheduling since we block other scheduling requests until that reservation
> is fulfilled. We should make this configurable so its impact can be minimized
> by limiting it for large container requests as originally intended.
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