public void updateTunables(int newCodelTargetDelay, int newCodelInterval,
    double newLifoThreshold) {
    this.codelTargetDelay = newCodelTargetDelay;
    this.codelInterval = newCodelInterval;
    this.lifoThreshold = newLifoThreshold;
  }
Update tunables.
@param newCodelTargetDelay new CoDel target delay
@param newCodelInterval    new CoDel interval
@param newLifoThreshold    new Adaptive Lifo threshold
hbase-server/src/main/java/org/apache/hadoop/hbase/ipc/AdaptiveLifoCoDelCallQueue.java