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From "Jian He (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-1041) RM to bind and notify a restarted AM of existing containers
Date Wed, 08 Jan 2014 00:43:52 GMT

     [ https://issues.apache.org/jira/browse/YARN-1041?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Jian He updated YARN-1041:

    Attachment: YARN-1041.1.patch

Uploaded  a patch for changing AM protocols to get the previous running containers on registration.
The uploaded patch is based on YARN-1490 and may not apply locally for now. Just to give an
early view of the patch.

> RM to bind and notify a restarted AM of existing containers
> -----------------------------------------------------------
>                 Key: YARN-1041
>                 URL: https://issues.apache.org/jira/browse/YARN-1041
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: resourcemanager
>    Affects Versions: 3.0.0
>            Reporter: Steve Loughran
>            Assignee: Jian He
>         Attachments: YARN-1041.1.patch
> For long lived containers we don't want the AM to be a SPOF.
> When the RM restarts a (failed) AM, it should be given the list of containers it had
already been allocated. the AM should then be able to contact the NMs to get details on them.
NMs would also need to do any binding of the containers needed to handle a moved/restarted

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