The 'jconsole' program lets you monitor GC operation in real-time. http://java.sun.com/developer/technicalArticles/J2SE/jconsole.html
On Mon, Feb 8, 2010 at 8:44 AM, Simon Rosenthal <simon_rosent...@yahoo.com> wrote: > What Garbage Collection parameters is the JVM using ? the memory will not > always be freed immediately after an event like unloading a core or starting > a new searcher. > > 2010/2/8 Tim Terlegård <tim.terleg...@gmail.com> > >> To me it doesn't look like unloading a Solr Core frees the memory that >> the core has used. Is this how it should be? >> >> I have a big index with 50 million documents. After loading a core it >> takes 300 MB RAM. After a query with a couple of sort fields Solr >> takes about 8 GB RAM. Then I unload (CoreAdminRequest.unloadCore) the >> core. The core is not shown in /solr/ anymore. Solr still takes 8 GB >> RAM. Creating new cores is super slow because I have hardly any memory >> left. Do I need to free the memory explicitly somehow? >> >> /Tim >> > -- Lance Norskog goks...@gmail.com
