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From "Botong Huang (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-6704) Add Federation Interceptor restart when work preserving NM is enabled
Date Fri, 11 Aug 2017 18:39:00 GMT

     [ https://issues.apache.org/jira/browse/YARN-6704?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Botong Huang updated YARN-6704:
    Attachment: YARN-6704.v3.patch

v3 patch update: separate out reAttachUAM from launchUAM. Addressed [~subru]'s comment, rather
than storing all _container->subclusterId_ mapping in NMSS, retrieve running containers
from all home and secondary sub-clusters via _ApplicationClientProtocol.getContainers()_

> Add Federation Interceptor restart when work preserving NM is enabled
> ---------------------------------------------------------------------
>                 Key: YARN-6704
>                 URL: https://issues.apache.org/jira/browse/YARN-6704
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Botong Huang
>            Assignee: Botong Huang
>         Attachments: YARN-6704.v3.patch, YARN-6704-YARN-2915.v1.patch, YARN-6704-YARN-2915.v2.patch
> YARN-1336 added the ability to restart NM without loosing any running containers. {{AMRMProxy}}
restart is added in YARN-6127. In a Federated YARN environment, there's additional state in
the {{FederationInterceptor}} to allow for spanning across multiple sub-clusters, so we need
to enhance {{FederationInterceptor}} to support work-preserving restart.

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