public void addPushSize(final long size) {
    if (this.enabled) {
      this.cyclePushSize += size;
    }
  }
Add current size to the current cycle's total push size
@param size is the current size added to the current cycle's total push size
hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/ReplicationThrottler.java