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https://issues.apache.org/jira/browse/YARN-4270?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14964859#comment-14964859
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Hudson commented on YARN-4270:
------------------------------
FAILURE: Integrated in Hadoop-Hdfs-trunk #2454 (See
[https://builds.apache.org/job/Hadoop-Hdfs-trunk/2454/])
YARN-4270. Limit application resource reservation on nodes for (arun suresh:
rev 7e2837f830382835838c82398db6fc9823d612a7)
*
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/FSAppAttempt.java
* hadoop-yarn-project/CHANGES.txt
*
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/FairScheduler.java
*
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/TestFairScheduler.java
*
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/FairSchedulerConfiguration.java
> 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
> Fix For: 2.8.0
>
> 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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