code: @Override
      public void notifyStandBy() {
          synchronized (qSync) {
              if (TraceComponent.isAnyTracingEnabled() && tc.isDebugEnabled()) {
                  Tr.debug(tc, "notifyStandBy called with qStatus: " + qStatus);
              }
              if (qStatus == Q_STATUS.BYPASSED) {
                  // no other writes waiting, so no queue thread in flight.  Set the state for more caller thread processing
                  qStatus = Q_STATUS.NOT_IN_USE;
              } else if (qStatus == Q_STATUS.STAND_BY) {
                  // Requests have been put on the Queue while we were writing, The Queue thread waiting to service them can start now
                  if (TraceComponent.isAnyTracingEnabled() && tc.isDebugEnabled()) {
                      Tr.debug(tc, "notifyStandBy doing notify");
                  }
                  qSync.notify();
              }
          }
      }
docs: /*
  (non-Javadoc)
  
  @see com.ibm.ws.http.channel.h2internal.H2WorkQInterface#notifyStandBy()