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https://issues.apache.org/jira/browse/YARN-3920?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14716119#comment-14716119
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Hadoop QA commented on YARN-3920:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | pre-patch | 16m 51s | 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:red}-1{color} | javac | 3m 39s | The patch appears to cause the
build to fail. |
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|| Subsystem || Report/Notes ||
| Patch URL |
http://issues.apache.org/jira/secure/attachment/12752657/YARN-3920.004.patch |
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | trunk / 4cbbfa2 |
| Console output |
https://builds.apache.org/job/PreCommit-YARN-Build/8923/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-3920.001.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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