does spark streaming 1.3 launches task for each partition offset range whether that is 0 or not ?
If yes, how can I enforce it to not to launch tasks for empty rdds.Not able t o use coalesce on directKafkaStream. Shall we enforce repartitioning always before processing direct stream ? use case is : directKafkaStream.repartition(numexecutors).mapPartitions(new FlatMapFunction<Iterator<Tuple2<byte[],byte[]>>, String>(){ ... } Thanks