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https://issues.apache.org/jira/browse/YARN-3854?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15386516#comment-15386516
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Daniel Templeton commented on YARN-3854:
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bq. Today, when the docker run in container executor is issued, a docker pull
is run behind the scenes, similar to what you are suggesting.
As I understand it, the pull is implicit in the run when the image is not
already present. The problem as I understand it is that the container can
appear to be stalled because of a slow image download. What I was suggesting
was making the pull explicit and to drive it from the localization framework.
When the pull is complete, then the container can be launched.
> Add localization support for docker images
> ------------------------------------------
>
> Key: YARN-3854
> URL: https://issues.apache.org/jira/browse/YARN-3854
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: yarn
> Reporter: Sidharta Seethana
> Assignee: Zhankun Tang
> Attachments: YARN-3854-branch-2.8.001.patch,
> YARN-3854_Localization_support_for_Docker_image_v1.pdf,
> YARN-3854_Localization_support_for_Docker_image_v2.pdf
>
>
> We need the ability to localize images from HDFS and load them for use when
> launching docker containers.
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