Github user zsxwing commented on the pull request:
https://github.com/apache/spark/pull/3858#issuecomment-114140106
@industrial-sloth I think most of work to add a new type of DStream
includes:
1. Convert parameters from Python types to Java types
2. Convert DStream[T] from Python to Java (T may not have a consistent type
in Python, see #6830 for example).
3. Add an assembly jar to include all dependencies not in spark assembly
jar, so that the Python user can use the Python API easily. Otherwise, the user
needs to figure out which jars should be added to `-jars`
And I don't think `reflectedStream` will reduce any work.
For the ZeroMQ Python API, you also need to add an assembly jar since
`akka-zeromq` is not in the Spark assembly jar.
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