temp.merge(taskContext.getOutputDataSize());
}
outputDataSize.resetTo(temp);
temp = new CounterStat();
temp.merge(finishedOutputPositions);
for (TaskExecution taskExecution : tasks.values()) {
TaskContext taskContext = taskExecution.getTaskContext();
temp.merge(taskContext.getOutputPositions());
}
outputPositions.resetTo(temp);