'Compute single worker task name.
Args:
shard_id: id of the shard (part of the whole dataset) as string.
slice_id: id of the slice (part of the shard) as int.
Returns:
task name which should be used to process specified shard/slice.'

@staticmethod
def get_task_name(shard_id, slice_id):

    return ('appengine-mrshard-%s-%s' % (shard_id, slice_id))
