Say you have got all of your folder paths into a val folders: Seq[String] val add = sc.parallelize(folders, folders.size).mapPartitions { iter => val folder = iter.next val status: Int = <call your executable with the folder path string> Seq(status).toIterator }
> On Jun 30, 2016, at 16:42, Balachandar R.A. <balachandar...@gmail.com> wrote: > > Hello, > > I have some 100 folders. Each folder contains 5 files. I have an executable > that process one folder. The executable is a black box and hence it cannot be > modified.I would like to process 100 folders in parallel using Apache spark > so that I should be able to span a map task per folder. Can anyone give me an > idea? I have came across similar questions but with Hadoop and answer was to > use combineFileInputFormat and pathFilter. However, as I said, I want to use > Apache spark. Any idea? > > Regards > Bala >