In general, you should implement thread-safety in your code. Which set of events are you interested in ?
Cheers On Fri, Apr 1, 2016 at 9:23 AM, Truong Duc Kien <duckientru...@gmail.com> wrote: > Hi, > > I need to gather some metrics using a SparkListener. Does the callback > methods need to thread-safe or they are always call from the same thread ? > > Thanks, > Kien Truong >
