Github user srowen commented on the pull request:
https://github.com/apache/spark/pull/5565#issuecomment-94410749
What has to be written differently for an `RDD` from a `DStream` vs an
`RDD` from a batch process? they're both `RDD`s. Maybe a very small example?
I think methods like `DStream.map` are mostly redundant, yes. I seem to
recall @tdas saying something to that effect. I imagine they might not have
even been added if this were done over again.
What's different about the API though? the `ClassTag`s? I only skimmed your
change and that's all I saw.
But that makes many of the `DStream` methods at worst superfluous and
doesn't change your ability to access the data through the same `RDD` API.
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