as Gora says there is the stats component you can take advantage of or you could also use JMX directly [1] or LucidGaze [2][3] or commercial services like [4] or [5] (these are the ones I know but there may be also others), each of them with different level/type of service.
Tommaso [1] : http://wiki.apache.org/solr/SolrJmx [2] : http://www.lucidimagination.com/blog/2009/08/24/lucid-gaze-for-lucene/ [3] : http://www.chrisumbel.com/article/monitoring_solr_lucidgaze [4] : http://sematext.com/search-analytics/index.html [5] : http://newrelic.com/ 2012/3/9 Donald Organ <dor...@donaldorgan.com> > Are there any reporting tools out there? So I can analyzer search term > frequency, filter frequency, etc? >