Re: Spark streaming vs. spark usage

2014-07-29 Thread andy petrella
Yep, But RDD/DStream would hardly fit the Monad contract (discussed several time, and still under discussions here and there ;)) For instance, look at the signature of flatMap in both traits. Albeit, an RDD that can generates other RDD (flatMap) is rather somethi.g like a DStream or 'CRDD

Re: Spark streaming vs. spark usage

2014-07-28 Thread Ankur Dave
On Mon, Jul 28, 2014 at 12:53 PM, Nathan Kronenfeld < nkronenf...@oculusinfo.com> wrote: > But when done processing, one would still have to pull out the wrapped > object, knowing what it was, and I don't see how to do that. It's pretty tricky to get the level of type safety you're looking for.

Re: Spark streaming vs. spark usage

2014-07-28 Thread Nathan Kronenfeld
So after months and months, I finally started to try and tackle this, but my scala ability isn't up to it. The problem is that, of course, even with the common interface, we don't want inter-operability between RDDs and DStreams. I looked into Monads, as per Ashish's suggestion, and I think I und