I am going to do some (large scale) indexing tests using Lucene & will post to both this and the Lucene list.
More info on compressed pointers: http://wikis.sun.com/display/HotSpotInternals/CompressedOops -Glen Newton http://zzzoot.blogspot.com/search?q=lucene 2009/7/16 Kevin Peterson <kpeter...@biz360.com>: > I noticed that Ubuntu pushed java 6 update 14 as an update to 9.04 today. > This update includes compressed object pointers which are designed to reduce > memory requirements with 64bit JVMs. > > Has anyone experimented with this to see if it provides any benefit to Solr? > > If not, can anyone comment on whether they would expect it provide a > significant benefit? I don't know enough about how the internal caches are > structured to say anything. > > Our servers are running on 8.04 LTS, so upgrading would be a bit of a chore. > I'm hoping that someone can say "it's not worth it" before we try it > ourselves. > -- -