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https://issues.apache.org/jira/browse/YARN-8029?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jim Brennan reassigned YARN-8029:
---------------------------------
Assignee: Jim Brennan
I've put up a patch for this that changes the delimiter for the docker mount
path variables to semicolon instead of comma.
> YARN_CONTAINER_RUNTIME_DOCKER_MOUNTS should not use commas as separators
> ------------------------------------------------------------------------
>
> Key: YARN-8029
> URL: https://issues.apache.org/jira/browse/YARN-8029
> Project: Hadoop YARN
> Issue Type: Bug
> Components: yarn
> Affects Versions: 3.0.0
> Reporter: Jim Brennan
> Assignee: Jim Brennan
> Priority: Major
> Attachments: YARN-8029.001.patch
>
>
> The following docker-related environment variables specify a comma-separated
> list of mounts:
> YARN_CONTAINER_RUNTIME_DOCKER_LOCAL_RESOURCE_MOUNTS
> YARN_CONTAINER_RUNTIME_DOCKER_MOUNTS
> This is a problem because hadoop -Dmapreduce.map.env and related options use
> comma as a delimiter. So if I put more than one mount in
> YARN_CONTAINER_RUNTIME_DOCKER_MOUNTS the comma in the variable will be
> treated as a delimiter for the hadoop command line option and all but the
> first mount will be ignored.
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