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From "Jim Brennan (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-8029) YARN_CONTAINER_RUNTIME_DOCKER_MOUNTS should not use commas as separators
Date Wed, 14 Mar 2018 18:02:00 GMT
Jim Brennan created YARN-8029:

             Summary: 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

The following docker-related environment variables specify a comma-separated list of 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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