temp.merge(taskContext.getInputPositions());
}
inputPositions.resetTo(temp);
temp = new CounterStat();
temp.merge(finishedOutputDataSize);
for (TaskExecution taskExecution : tasks.values()) {
TaskContext taskContext = taskExecution.getTaskContext();
temp.merge(taskContext.getOutputDataSize());
}
outputDataSize.resetTo(temp);