> > 1. Custom aggregators that do map-side combine. > This is something I'd hoping to add in Spark 1.5
> 2. UDFs with more than 22 arguments which is not supported by ScalaUdf, > and to avoid wrapping a Java function interface in one of 22 different > Scala function interfaces depending on the number of parameters. > I'm super open to suggestions here. Mind possibly opening a JIRA with a proposed interface?
