ig.setAllowCreate(true);
    config.setSortedDuplicates(true);
    config.setKeyCreator(new MyKeyCreator());
</pre>
<p>
<hr>
<p>
NOTE: There are two situations where the use of secondary databases without
transactions requires special consideration.  When using a transactional
database or when doing read operations only, this note does not apply.
<ul>
<li>If secondary is configured to not allow duplicates, when the secondary
is being updated it is possible that an error will occur when the secondary
key val