sect1" lang="en" xml:lang="en">
      <div class="titlepage">
        <div>
          <div>
            <h2 class="title" style="clear: both"><a id="upgrade_4_6_disk"></a>Upgrade Requirements</h2>
          </div>
        </div>
      </div>
      <p>The log file format changed in the Berkeley DB 4.6 release.</p>
      <p>The format of Hash database pages was changed in the Berkeley DB 4.6 release,
and items are now stored in sorted order.  <span class="bold"><strong>The format changes
are entirely backward