Hi Bai, Solr doesn't try to load the whole index into memory, no. You can control how much memory Tomcat uses with -Xmx Java command line parameter.
Otis ---- Performance Monitoring SaaS for Solr - http://sematext.com/spm/solr-performance-monitoring/index.html >________________________________ > From: Bai Shen <baishen.li...@gmail.com> >To: solr-user@lucene.apache.org >Sent: Friday, December 30, 2011 9:16 AM >Subject: Solr memory usage > >I have solr running on a single machine with 8GB of ram. Right now I have >about 1.5 million documents indexed, which had produced a 30GB index. When >I look in top, the tomcat process which is hosting solr says that it's >using 38GB of VIRT, 6.6G RES, and 2GB SHR. > >The machine is showing a completely full swap file and very little memory >free. Is this because solr is trying to load the entire index into >memory? The searches are still responsive, so it doesn't seem to be >affecting performance. > >Thanks. > > >
