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https://issues.apache.org/jira/browse/YARN-3289?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14445885#comment-14445885
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Chen He commented on YARN-3289:
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Looks like the bottleneck of registry can be resolved by chaining registry
[https://docs.docker.com/reference/api/hub_registry_spec/#chaining-registries]
> Docker images should be downloaded during localization
> ------------------------------------------------------
>
> Key: YARN-3289
> URL: https://issues.apache.org/jira/browse/YARN-3289
> Project: Hadoop YARN
> Issue Type: Sub-task
> Reporter: Ravi Prakash
>
> We currently call docker run on images while launching containers. If the
> image size if sufficiently big, the task will timeout. We should download the
> image we want to run during localization (if possible) to prevent this
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