public boolean clearNamedQueue(NamedQueuePayload.NamedQueueEvent namedQueueEvent) {
    return this.logEventHandler.clearNamedQueue(namedQueueEvent);
  }
clears queue records from ringbuffer
@param namedQueueEvent type of queue to clear
@return true if slow log payloads are cleaned up or hbase.regionserver.slowlog.buffer.enabled
        is not set to true, false if failed to clean up slow logs
hbase-server/src/main/java/org/apache/hadoop/hbase/namequeues/NamedQueueRecorder.java