The current solrconfig.xml has the following entries -
*<queryResultCache size="512" initialSize="512" autowarmCount="0"/><filterCache size="512" initialSize="512" autowarmCount="0"/><documentCache size="512" initialSize="512" autowarmCount="0"/>* Can we change these, for large and high-frequency queries, to *<queryResultCache class="solr.LRUCache" size="1000" initialSize="1000" autowarmCount="200"/><filterCache class="solr.FastLRUCache" size="4000" initialSize="4000" autowarmCount="500"/><documentCache size="1024" initialSize="1024" autowarmCount="0" />*