docs: protected void returnToTaskQueue(boolean sourcesReady)
      {
          if (sourcesReady) {
              // If we've done something meaningful, go ahead and return ourselves to the queue immediately
              m_taskQueue.offer(this);
          } else {
              // Otherwise, avoid spinning too aggressively, so wait a millisecond before requeueing
              VoltDB.instance().scheduleWork(new ReturnToTaskQueueAction(), 1, -1, TimeUnit.MILLISECONDS);
          }
      }