Lucene is a library, it depends on your implementation how to keep index files open. Yes, Lucene supports mmap.
If you want to run Lucene as a separate server, use Apache Solr or ElasticSeach, which runs the indexing software as a separate process, accessible via REST API. Uwe ----- Uwe Schindler H.-H.-Meier-Allee 63, D-28213 Bremen http://www.thetaphi.de eMail: u...@thetaphi.de > -----Original Message----- > From: Sriram Sankar [mailto:san...@gmail.com] > Sent: Friday, June 21, 2013 6:19 PM > To: java-user@lucene.apache.org > Subject: Question on MMap'd indices > > In Unicorn (Facebook's search backend), we used mmap'd indices. We could > load them on a separate process - which meant that we could make scoring > changes and test rapidly since we did not have to reload the index for every > run. Is this true for Lucene also? I'm assuming it would be if the entire > index > content is within the mmap file and that there isn't and additional bits of > metadata sitting elsewhere. > > Thanks, > > Sriram. --------------------------------------------------------------------- To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org For additional commands, e-mail: java-user-h...@lucene.apache.org
