I've checked the archive, and plenty of people have suggested an
arrangement where you can have two cores which share a configuration but
maintain separate data paths. But I can't seem to get solr to stop
thinking solrconfig.xml is the first and last word for any value
regarding data. I am
mets/alto is an xml standard for describing physical objects. In this
case, we're describing books. The mets file holds the metadata (author,
title, etc.), the alto file is the physical description (words on the
page, formatting of the page). So it's a one (mets) to many (alto)
