Github user vasia commented on the pull request:
https://github.com/apache/flink/pull/877#issuecomment-118180990
In my view it's a straight-forward configuration option. If the user wants
to propagate changes in this direction, they set the parameter.
Also, I'm seeing that Gelly is starting to have way too many examples.
Examples are there to show basic functionality, no every single feature of the
API.
Library methods are there to make common analysis easy to run and docs are
there to help with configuration options and customization. i.e. we should
focus on library and docs and only add examples to demonstrate major new
additions.
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