@Override
  public void finish(String opName) {
    ActiveOperation operation = activeOperations.remove(opName);
    maxThroughputPerOperation = getMaxThroughput() / activeOperations.size();
    long elapsedTime = EnvironmentEdgeManager.currentTime() - operation.startTime;
    LOG.info(opName + " average throughput is " + throughputDesc(operation.totalSize, elapsedTime)
      + ", slept " + operation.numberOfSleeps + " time(s) and total slept time is "
      + operation.totalSleepTime + " ms. " + activeOperations.size()
      + " active operations remaining, total limit is " + throughputDesc(getMaxThroughput()));
  }
Stores the information of one controlled compaction.
hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/throttle/PressureAwareThroughputController.java