I think not out of the box, but look at SOLR-243 issue in JIRA. You could also put your index on ram disk (tmpfs), but it would be useless for writing to it.
Note that when people ask about loading the whole index in memory explicitly, it's often a premature optimization attempt. Otis -- Sematext is hiring -- http://sematext.com/about/jobs.html?mls Lucene, Solr, Nutch, Katta, Hadoop, HBase, UIMA, NLP, NER, IR ----- Original Message ---- > From: Thomas Nguyen <thngu...@ign.com> > To: solr-user@lucene.apache.org > Sent: Wed, November 11, 2009 8:46:11 PM > Subject: Configuring Solr to use RAMDirectory > > Is it possible to configure Solr to fully load indexes in memory? I > wasn't able to find any documentation about this on either their site or > in the Solr 1.4 Enterprise Search Server book.
