Which release are you using ? You can use the following to disable UI: --conf spark.ui.enabled=false
On Wed, May 11, 2016 at 10:59 AM, Amit Sela <amitsel...@gmail.com> wrote: > I've ran a simple WordCount example with a very small List<String> as > input lines and ran it in standalone (local[*]), and Datasets is very slow.. > We're talking ~700 msec for RDDs while Datasets takes ~3.5 sec. > Is this just start-up overhead ? please note that I'm not timing the > context creation... > > And in general, is there a way to run with local[*] "lightweight" mode for > testing ? something like without the WebUI server for example (and anything > else that's not needed for testing purposes) > > Thanks, > Amit >