Sidharta Seethana created YARN-4245:
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             Summary: Clean up container-executor invocation interface
                 Key: YARN-4245
                 URL: https://issues.apache.org/jira/browse/YARN-4245
             Project: Hadoop YARN
          Issue Type: Improvement
    Affects Versions: 3.0.0, 2.8.0
            Reporter: Sidharta Seethana
            Assignee: Sidharta Seethana


The current container-executor invocation interface (especially for launch 
container) is cumbersome to use . Launching a container now requires 13-15 
arguments.  This becomes especially problematic when additional, potentially 
optional, arguments are required. We need a better mechanism to deal with this. 
One such mechanism could be to handle this could be to use a file containing 
key/value pairs (similar to container-executor.cfg) corresponding to the 
arguments each invocation needs. Such a mechanism would make it easier to add 
new optional arguments to container-executor and better manage existing ones. 



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