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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-4270) Limit application resource reservation on nodes for non-node/rack specific requests
Date Mon, 19 Oct 2015 21:34:27 GMT

    [ https://issues.apache.org/jira/browse/YARN-4270?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14964097#comment-14964097
] 

Hadoop QA commented on YARN-4270:
---------------------------------

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| (/) *{color:green}+1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | pre-patch |  20m  8s | 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 1 new
or modified test files. |
| {color:green}+1{color} | javac |   8m 59s | There were no new javac warning messages. |
| {color:green}+1{color} | javadoc |  11m 35s | There were no new javadoc warning messages.
|
| {color:green}+1{color} | release audit |   0m 24s | 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  4s | The patch has no lines that end in whitespace.
|
| {color:green}+1{color} | install |   1m 41s | mvn install still works. |
| {color:green}+1{color} | eclipse:eclipse |   0m 38s | The patch built with eclipse:eclipse.
|
| {color:green}+1{color} | findbugs |   1m 44s | The patch does not introduce any new Findbugs
(version 3.0.0) warnings. |
| {color:green}+1{color} | yarn tests |  58m 40s | Tests passed in hadoop-yarn-server-resourcemanager.
|
| | | 104m 54s | |
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|| Subsystem || Report/Notes ||
| Patch URL | http://issues.apache.org/jira/secure/attachment/12767467/YARN-4270.5.patch |
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | trunk / 6144e01 |
| hadoop-yarn-server-resourcemanager test log | https://builds.apache.org/job/PreCommit-YARN-Build/9484/artifact/patchprocess/testrun_hadoop-yarn-server-resourcemanager.txt
|
| Test Results | https://builds.apache.org/job/PreCommit-YARN-Build/9484/testReport/ |
| Java | 1.7.0_55 |
| uname | Linux asf906.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/9484/console |


This message was automatically generated.

> Limit application resource reservation on nodes for non-node/rack specific requests
> -----------------------------------------------------------------------------------
>
>                 Key: YARN-4270
>                 URL: https://issues.apache.org/jira/browse/YARN-4270
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: fairscheduler
>            Reporter: Arun Suresh
>            Assignee: Arun Suresh
>         Attachments: YARN-4270.1.patch, YARN-4270.2.patch, YARN-4270.3.patch, YARN-4270.4.patch,
YARN-4270.5.patch
>
>
> I has been noticed that for off-switch requests, the FairScheduler reserves resources
on all nodes. This could lead to the entire cluster being unavailable for all other applications.
> Ideally, the reservations should be on a configurable number of nodes, default 1.



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