Hi
You can load an existing index into a RAMDirectory using one of the constructors that takes an existing index. I believe that a RAM index will be the same size as a file based index. MMapDirectory is another possibility. -- Ian. On Tue, Mar 24, 2009 at 8:42 AM, Paul Taylor <paul_t...@fastmail.fm> wrote: > Hi > > Ive built some file based indexes based on data in a database, and it took > quite some time. > I am interested in trying to use RAM based indexes instead of file based > indexes to compare search performance but its going to take some time to > rebuild the index from the original database, isnt it possible to rebuild > the index from the file based index ? > How big is a RAM index compared to File based index, I assumming its > slightly smaller because no files are created ? > > thanks Paul --------------------------------------------------------------------- To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org For additional commands, e-mail: java-user-h...@lucene.apache.org