i show you my full query it's rly simple one q=*:* and fq=class_name:CdnFile
debug q shows that process of q takes so long. single filter is critical here. And cache is ot an option here. It work well but i need to know why such sipmple filter can takes so long. <arr name="parsed_filter_queries"> <str>class_name:CdnFile</str> </arr> <lst name="timing"> <double name="time">421.0</double> <lst name="prepare"> <double name="time">1.0</double> <lst name="query"> <double name="time">1.0</double> </lst> <lst name="facet"> <double name="time">0.0</double> </lst> <lst name="mlt"> <double name="time">0.0</double> </lst> <lst name="highlight"> <double name="time">0.0</double> </lst> <lst name="stats"> <double name="time">0.0</double> </lst> <lst name="debug"> <double name="time">0.0</double> </lst> </lst> <lst name="process"> <double name="time">420.0</double> <lst name="query"> <double name="time">415.0</double> -- View this message in context: http://lucene.472066.n3.nabble.com/slow-performance-on-simple-filter-tp4135613p4139050.html Sent from the Solr - User mailing list archive at Nabble.com.