    usually require a corresponding increase in
        <code class="varname">max_wal_size</code>, in order to spread out the
        process of writing large quantities of new or changed data over a
        longer period of time.
       </p><p>
        On systems with less than 1GB of RAM, a smaller percentage of RAM is
        appropriate, so as to leave adequate space for the operating system.
       </p></dd><dt id="GUC-HUGE-PAGES"><span class="term"><code class="varname">huge_pages</code> (<code class=