SOLR优化-filter cache http://hankesi2000.iteye.com/blog/1083377
http://www.kafka0102.com/2010/08/267.html
http://www.kafka0102.com/2010/08/293.html
http://www.kafka0102.com/2010/10/366.html
http://wiki.chenlb.com/solr/doku.php
http://blog.chenlb.com/category/solr-search