In the /d2r-server file (or /d2r-server.bat if you're on Windows), you'll find a line where the heap memory is set using the Java VM's "-Xmx256M" flag. The easiest thing is to change that line to "-Xmx1024M" or some even higher value.
Best, Richard On 28 Jun 2011, at 17:59, Iker Huerga wrote: > Hello, > > I am using D2R server with a big DB (around 175GB). when launching the server > from terminal (not deployed in Tomcat) I am getting a Java Heap Space error, > the stack trace is as follows: > > java.lang.OutOfMemoryError: Java heap space > at com.mysql.jdbc.MysqlIO.nextRowFast(MysqlIO.java:1577) > at com.mysql.jdbc.MysqlIO.nextRow(MysqlIO.java:1401) > at com.mysql.jdbc.MysqlIO.readSingleRowSet(MysqlIO.java:2840) > at com.mysql.jdbc.MysqlIO.getResultSet(MysqlIO.java:468) > at com.mysql.jdbc.MysqlIO.readResultsForQueryOrUpdate(MysqlIO.java:2534) > at com.mysql.jdbc.MysqlIO.readAllResults(MysqlIO.java:1749) > at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2159) > at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2548) > at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2477) > at com.mysql.jdbc.StatementImpl.executeQuery(StatementImpl.java:1422) > at > de.fuberlin.wiwiss.d2rq.sql.QueryExecutionIterator.ensureQueryExecuted(QueryExecutionIterator.java:146) > at > de.fuberlin.wiwiss.d2rq.sql.QueryExecutionIterator.tryFetchNextRow(QueryExecutionIterator.java:76) > at > de.fuberlin.wiwiss.d2rq.sql.QueryExecutionIterator.hasNext(QueryExecutionIterator.java:50) > at > de.fuberlin.wiwiss.d2rq.find.RelationToTriplesIterator.tryFillTripleQueue(RelationToTriplesIterator.java:107) > at > de.fuberlin.wiwiss.d2rq.find.RelationToTriplesIterator.hasNext(RelationToTriplesIterator.java:72) > at > com.hp.hpl.jena.util.iterator.NiceIterator$1.hasNext(NiceIterator.java:86) > at > com.hp.hpl.jena.util.IteratorCollection.iteratorToList(IteratorCollection.java:52) > at > com.hp.hpl.jena.graph.impl.SimpleBulkUpdateHandler.addIterator(SimpleBulkUpdateHandler.java:57) > at > com.hp.hpl.jena.graph.impl.SimpleBulkUpdateHandler.add(SimpleBulkUpdateHandler.java:53) > at > de.fuberlin.wiwiss.d2rq.GraphD2RQ.classMapInventory(GraphD2RQ.java:197) > at > de.fuberlin.wiwiss.d2rs.DirectoryServlet.doGet(DirectoryServlet.java:35) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:820) > at > org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:487) > at > org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:362) > at > org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216) > at > org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181) > at > org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:726) > at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:405) > at > org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152) > at org.mortbay.jetty.Server.handle(Server.java:324) > at > org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:505) > > I suppose it is a matter of the -Xmx parameter configuration for Jetty > Server, but I really do not know how to modify this. Any ideas? > > Thanks in advanced. > > Best Regards > > -- > Iker Huerga > http://www.linkatu.net > > ------------------------------------------------------------------------------ > All of the data generated in your IT infrastructure is seriously valuable. > Why? It contains a definitive record of application performance, security > threats, fraudulent activity, and more. Splunk takes this data and makes > sense of it. IT sense. And common sense. > http://p.sf.net/sfu/splunk-d2d-c2_______________________________________________ > d2rq-map-devel mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/d2rq-map-devel ------------------------------------------------------------------------------ All of the data generated in your IT infrastructure is seriously valuable. Why? It contains a definitive record of application performance, security threats, fraudulent activity, and more. Splunk takes this data and makes sense of it. IT sense. And common sense. http://p.sf.net/sfu/splunk-d2d-c2 _______________________________________________ d2rq-map-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/d2rq-map-devel
