Github user rmetzger commented on the pull request: https://github.com/apache/flink/pull/664#issuecomment-100882340 I agree, however it should be optional. I don't like these tools where you spend a lot of time registering / specifying arguments. People want to analyze their data, not configure a huge parameter parsing framework ;) But I'm going to look into this and see how much work it would be to implement it. If it blocks me from getting this PR merged soon, I'll file a follow-up JIRA.
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