Can we get some docs added to the Heron site for these recently merged PRs? They do not need to be perfect, but it would be nice to get them started. Otherwise people will have to dig through code to figure it out.
https://github.com/apache/incubator-heron/pull/3699 https://github.com/apache/incubator-heron/pull/3701 https://github.com/apache/incubator-heron/pull/3702
