ss="varname">huge_pages</code> setting on operating systems where
        that is supported, and may be more likely to benefit from larger pages
        on operating systems where that is managed automatically.
        The default value is <code class="literal">0</code> (none). This parameter can
        only be set at server start.
       </p></dd></dl></div></div><div class="sect2" id="RUNTIME-CONFIG-RESOURCE-DISK"><div class="titlepage"><div><div><h3 class="title">20.4.2. Disk <a href="#RUNTIME-CONFIG-R