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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-4597) Add SCHEDULE to NM container lifecycle
Date Mon, 14 Nov 2016 15:33:59 GMT

    [ https://issues.apache.org/jira/browse/YARN-4597?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15664208#comment-15664208
] 

ASF GitHub Bot commented on YARN-4597:
--------------------------------------

Github user kambatla commented on a diff in the pull request:

    https://github.com/apache/hadoop/pull/143#discussion_r87822206
  
    --- Diff: hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/scheduler/ContainerScheduler.java
---
    @@ -295,29 +306,29 @@ private void startAllocatedContainer(Container container) {
         // Go over the running opportunistic containers.
         // Use a descending iterator to kill more recently started containers.
         Iterator<Container> reverseContainerIterator =
    --- End diff --
    
    Nit: Should we call this lifoIterator? 


> Add SCHEDULE to NM container lifecycle
> --------------------------------------
>
>                 Key: YARN-4597
>                 URL: https://issues.apache.org/jira/browse/YARN-4597
>             Project: Hadoop YARN
>          Issue Type: New Feature
>          Components: nodemanager
>            Reporter: Chris Douglas
>            Assignee: Arun Suresh
>              Labels: oct16-hard
>         Attachments: YARN-4597.001.patch, YARN-4597.002.patch, YARN-4597.003.patch, YARN-4597.004.patch,
YARN-4597.005.patch, YARN-4597.006.patch, YARN-4597.007.patch, YARN-4597.008.patch, YARN-4597.009.patch,
YARN-4597.010.patch, YARN-4597.011.patch
>
>
> Currently, the NM immediately launches containers after resource localization. Several
features could be more cleanly implemented if the NM included a separate stage for reserving
resources.



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