I\'m new to Solr and am looking for a way to record searches (or keywords) to a log file or database so that I can then analyse for data visualisation.
Months later ... maybe someone is interested:
http://karussell.wordpress.com/2010/10/27/feeding-solr-with-its-own-logs/
(you'll need to adapt the log parser if you are not using the default solr output format)