Description
This is add a '-placement_spec' option to the distributed shell client. Where the user can specify a string-ified specification for how it wants containers to be placed.
For eg:
$ yarn org.apache.hadoop.yarn.applications.distributedshell.Client –jar \ $YARN_DS/hadoop-yarn-applications-distributedshell-$YARN_VERSION.jar \ -shell_command sleep -shell_args 10 -placement_spec <placementspecification>