code: public final void copyInputQueue() {
      Collection<Operation> tmp = new ArrayList<Operation>();
  
      // don't drain more than we have space to place
      inputQueue.drainTo(tmp, writeQ.remainingCapacity());
      writeQ.addAll(tmp);
    }
docs: /*
  (non-Javadoc)
  
  @see net.spy.memcached.MemcachedNode#copyInputQueue()