As Kostas mentioned the failure mechanisms for streaming and batch processing are different, but you can expect exactly once processing guarantees from both of them.
On Thu, Jul 9, 2015 at 2:43 PM, 马国维 <maguo...@outlook.com> wrote: > hi, everyoneThe doc say Flink Streaming use "Barriers" to ensure > "exactly once."Does the DataSet job use the same mechanism to ensue > "exactly once" if a map task is failed?thanks >
