I have not heard of anyone using HLL in Solr, but: https://docs.google.com/presentation/d/1ESNiqd7HuIfuwXSSK81PAAu6AmEPEE0u_vyk4FU5x9o/present#slide=id.p https://github.com/ptdavteam/elasticsearch-approx-plugin
Otis -- Solr & ElasticSearch Support http://sematext.com/ On Tue, May 28, 2013 at 2:43 AM, J Mohamed Zahoor <zah...@indix.com> wrote: > Hi > > Has anyone tried using HLL for using finding unique values of a field in solr? > I am planning to use them to facet count on certain fields to reduce memory > footprint. > > > > ./Zahoor
