   <a id="id-1.6.7.7.6.3.3.1.3" class="indexterm"></a>
       </span> <a href="#GUC-BGWRITER-LRU-MULTIPLIER" class="id_link">#</a></dt><dd><p>
         The number of dirty buffers written in each round is based on the
         number of new buffers that have been needed by server processes
         during recent rounds.  The average recent need is multiplied by
         <code class="varname">bgwriter_lru_multiplier</code> to arrive at an estimate of the
         number of buffers that will be needed during 