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https://issues.apache.org/jira/browse/YARN-6704?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16282621#comment-16282621
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Botong Huang commented on YARN-6704:
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Thanks [~subru] for the comments! A few checks added in TestRecover() for with
HA and without HA case in v9 patch.
> 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-YARN-2915.v1.patch,
> YARN-6704-YARN-2915.v2.patch, YARN-6704.v3.patch, YARN-6704.v4.patch,
> YARN-6704.v5.patch, YARN-6704.v6.patch, YARN-6704.v7.patch,
> YARN-6704.v8.patch, YARN-6704.v9.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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