@Override
  public boolean clearNamedQueue() {
    if (!isOnlineLogProviderEnabled) {
      return false;
    }
    LOG.debug("Received request to clean up online slowlog buffer.");
    slowLogQueue.clear();
    return true;
  }
This implementation is specific to slowLog event. This consumes slowLog event from disruptor
and inserts records to EvictingQueue.
@param namedQueuePayload namedQueue payload from disruptor ring buffer
hbase-server/src/main/java/org/apache/hadoop/hbase/namequeues/impl/SlowLogQueueService.java