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https://issues.apache.org/jira/browse/YARN-3611?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16583470#comment-16583470
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JackZhou commented on YARN-3611:
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Hi, [~shaneku...@gmail.com]
I would like to use this feature in our production environment, and It's so
useful to us. Any Suggestions?
> Support Docker Containers In LinuxContainerExecutor
> ---------------------------------------------------
>
> Key: YARN-3611
> URL: https://issues.apache.org/jira/browse/YARN-3611
> Project: Hadoop YARN
> Issue Type: Bug
> Components: yarn
> Reporter: Sidharta Seethana
> Assignee: Sidharta Seethana
> Priority: Major
> Labels: Docker
>
> Support Docker Containers In LinuxContainerExecutor
> LinuxContainerExecutor provides useful functionality today with respect to
> localization, cgroups based resource management and isolation for CPU,
> network, disk etc. as well as security with a well-defined mechanism to
> execute privileged operations using the container-executor utility. Bringing
> docker support to LinuxContainerExecutor lets us use all of this
> functionality when running docker containers under YARN, while not requiring
> users and admins to configure and use a different ContainerExecutor.
> There are several aspects here that need to be worked through :
> * Mechanism(s) to let clients request docker-specific functionality - we
> could initially implement this via environment variables without impacting
> the client API.
> * Security - both docker daemon as well as application
> * Docker image localization
> * Running a docker container via container-executor as a specified user
> * “Isolate” the docker container in terms of CPU/network/disk/etc
> * Communicating with and/or signaling the running container (ensure correct
> pid handling)
> * Figure out workarounds for certain performance-sensitive scenarios like
> HDFS short-circuit reads
> * All of these need to be achieved without changing the current behavior of
> LinuxContainerExecutor
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