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https://issues.apache.org/jira/browse/YARN-9562?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16961150#comment-16961150
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Jim Brennan commented on YARN-9562:
-----------------------------------
[~ebadger], I pulled YARN-9561, YARN-9562, and YARN-9564 into a local branch to
verify that I could setup and run with the RUNC run-time.
Overall, things went well, but I did run into a few issues that I will note
here:
* in container-executor.cfg, {{module-enabled=true}} in the runc section does
not work. You must specify {{feature.runc.enabled=true}}
I think the is_runc_support_enabled() check should behave like
is_docker_support_enabled() and check for module.enabled as well.
* We need to document the need for the
{{image-tag-to-manifest-plugin.hdfs-hash-file}} property somewhere - you don't
get very far without it.
* Do we not support specifying the mounts via environment variables like
docker does? I think people will expect that. I originally tried using
{{-Dmapreduce.map.env.YARN_CONTAINER_RUNTIME_RUNC_MOUNTS=...}} before realizing
that I needed to specify default ro/rw mounts in yarn-site.xml.
Once I got past these issues, I was able to run jobs using the RunC container
run-time on a one-node cluster.
Thanks for all the hard work on this feature!
> Add Java changes for the new RuncContainerRuntime
> -------------------------------------------------
>
> Key: YARN-9562
> URL: https://issues.apache.org/jira/browse/YARN-9562
> Project: Hadoop YARN
> Issue Type: Sub-task
> Reporter: Eric Badger
> Assignee: Eric Badger
> Priority: Major
> Attachments: YARN-9562.001.patch, YARN-9562.002.patch,
> YARN-9562.003.patch, YARN-9562.004.patch, YARN-9562.005.patch,
> YARN-9562.006.patch, YARN-9562.007.patch, YARN-9562.008.patch,
> YARN-9562.009.patch, YARN-9562.010.patch
>
>
> This JIRA will be used to add the Java changes for the new
> RuncContainerRuntime. This will work off of YARN-9560 to use much of the
> existing DockerLinuxContainerRuntime code once it is moved up into an
> abstract class that can be extended.
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