Continuing the discussion from Reading first N records from a file?:
Ok, thanks for the explanation. That makes sense. Your issue isn’t really with the fact that snaps upstream (the File Reader + CSV Parser, or whatever) keep running. It’s with the fact that the snaps downstream (a Formatter + File Writer, perhaps) do – they don’t complete (write the file) as soon as the Head snap has written the only document it will write.
So, yes, there’s actually a simple fix we can make to the Head snap to do just that: close the output view as soon as the desired number of documents are written. This will cause the downstream snaps to finish writing their output. I just tried it and it works as expected. I think we should be able to get this fix into our forthcoming release planned for Nov 14.
