I think OS will manage it when required OS will use other core of your CPU also. Also you can use some memory management(GC Options) settings with java.
You can see about memory management a blog posted by "Mark Miller" at Lucidimagination.com http://www.gettingahead.co.in/blogwp/2011/03/technical/solr/shalini/memory-management-and-garbage-collection-algorithm/ http://www.gettingahead.co.in/blogwp/2011/03/technical/solr/shalini/memory-management-and-garbage-collection-algorithm/ about detail of memory management ----- Thanx: Grijesh www.gettinhahead.co.in -- View this message in context: http://lucene.472066.n3.nabble.com/tomcat-and-multicore-processors-tp2917973p2922565.html Sent from the Solr - User mailing list archive at Nabble.com.