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From "joeyli (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (TEZ-336) AMContainerImpl are stored even after container has completed
Date Mon, 26 Aug 2013 10:57:53 GMT

    [ https://issues.apache.org/jira/browse/TEZ-336?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13749988#comment-13749988
] 

joeyli commented on TEZ-336:
----------------------------

I'm gonna create a separate context class to hold the data which need discarded. For now I
just want to put  ContainerLaunchContext in it. Do I need include other objects like remoteTaskMap
and failedAssignments?
                
> AMContainerImpl are stored even after container has completed
> -------------------------------------------------------------
>
>                 Key: TEZ-336
>                 URL: https://issues.apache.org/jira/browse/TEZ-336
>             Project: Apache Tez
>          Issue Type: Bug
>            Reporter: Bikas Saha
>            Assignee: joeyli
>              Labels: TEZ-0.2.0
>             Fix For: 0.2.0
>
>         Attachments: TEZ-336.3.patch
>
>
> For a long running job thats allocated 100's of 1000's of containers this can be a memory
usage issue. Even if AMContainerImpls are small they contain full copies of container launch
context objects that look like heavy weights with multiple maps of local resources, env etc.

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