Snappy addition (Replace System.exit with exitExecutor).
Snappy addition (Replace System.exit with exitExecutor). We could have added functions calling System.exit to SnappyCoarseGrainedExecutorBackend but those functions will have to be brought in sync with CoarseGrainedExecutorBackend after every merge.
Avoid sending any message for TaskState.RUNNING which serves no purpose.
Avoid sending any message for TaskState.RUNNING which serves no purpose.