Thank you for your quick answer, my Neo4j version is 1.4. I did nothing except the code you can see. I'm trying to learn more about neo4j :)
On Tue, Aug 30, 2011 at 1:31 PM, Peter Neubauer < [email protected]> wrote: > Hi there, > what is your Neo4j version and did you set any special JVM flags or > neo4j.properties? > > Cheers, > > /peter neubauer > > GTalk: neubauer.peter > Skype peter.neubauer > Phone +46 704 106975 > LinkedIn http://www.linkedin.com/in/neubauer > Twitter http://twitter.com/peterneubauer > > http://www.neo4j.org - Your high performance graph database. > http://startupbootcamp.org/ - Öresund - Innovation happens HERE. > http://www.thoughtmade.com - Scandinavia's coolest Bring-a-Thing party. > > > On Tue, Aug 30, 2011 at 10:57 AM, Reza Ameri <[email protected]> wrote: > > > Hi, > > I've written the code below to create 10M nodes, without any relations. > > But, > > it has memory exception that couldn't solve. would you please help me. > > > > Also I want to show this graph visually. I used Gremlin and Jung to view > > the > > graph, but it either did not work even for 1M nodes! Any Idea About this > > one? > > > > Thank you :) > > > > Code of BatchInserter: > > > > > > public void batchInsertor(String graphPath) > > { > > BatchInserter inserter = null; > > BatchInserterIndexProvider indexProvider = null; > > BatchInserterIndex index = null; > > try{ > > inserter = new BatchInserterImpl(graphPath); > > indexProvider = new LuceneBatchInserterIndexProvider( inserter ); > > index = indexProvider.nodeIndex( "index", MapUtil.stringMap( "type", > > "exact" > > ) ); > > for(int i=0; i<10000000; i++) > > { > > index.setCacheCapacity("name", 100000 ); > > Map<String, Object> properties = MapUtil.map( "name", String.valueOf(i)); > > long node = inserter.createNode(properties); > > index.add( node, properties ); > > if(i%1000000 == 0) > > { > > System.out.println("Check Point: " + i); > > } > > } > > indexProvider.shutdown(); > > inserter.shutdown(); > > } > > finally{ > > indexProvider.shutdown(); > > inserter.shutdown(); > > } > > } > > > > > > Error: > > > > Exception in thread "main" java.lang.IllegalStateException: this writer > hit > > an OutOfMemoryError; cannot flush > > at > > > org.apache.lucene.index.IndexWriter.doFlushInternal(IndexWriter.java:3521) > > at org.apache.lucene.index.IndexWriter.doFlush(IndexWriter.java:3509) > > at org.apache.lucene.index.IndexWriter.flush(IndexWriter.java:3500) > > at org.apache.lucene.index.IndexWriter.optimize(IndexWriter.java:2271) > > at org.apache.lucene.index.IndexWriter.optimize(IndexWriter.java:2249) > > at > > > > > org.neo4j.index.impl.lucene.LuceneBatchInserterIndex.closeWriter(LuceneBatchInserterIndex.java:275) > > at > > > > > org.neo4j.index.impl.lucene.LuceneBatchInserterIndex.shutdown(LuceneBatchInserterIndex.java:350) > > at > > > > > org.neo4j.index.impl.lucene.LuceneBatchInserterIndexProvider.shutdown(LuceneBatchInserterIndexProvider.java:144) > > > > > > > > Code of Visualization: > > > > public JPanel showBatchInserted(String graphPath) > > { > > neo = new Neo4jGraph(graphPath); > > JPanel graphPanel=new JPanel(); > > GraphJung g = new GraphJung(neo); > > Layout<Vertex, Edge> layout = new CircleLayout<Vertex,Edge>(g); > > layout.setSize(new Dimension(1500,1000)); > > viz = new VisualizationViewer<Vertex, Edge>(layout); > > viz.setBackground(Color.WHITE); > > viz.setAutoscrolls(true); > > viz.setName("visualizationViewer"); > > viz.setSize(new Dimension(1500,1000)); > > AnnotatingGraphMousePlugin<Vertex, Edge> an=new > > AnnotatingGraphMousePlugin<Vertex, Edge>(viz.getRenderContext()); > > AnnotatingModalGraphMouse<Vertex,Edge> gm = new > > AnnotatingModalGraphMouse<Vertex,Edge>(viz.getRenderContext(), > > an); > > > > gm.setMode(ModalGraphMouse.Mode.PICKING); > > viz.setGraphMouse(gm); > > JMenuBar menuBar = new JMenuBar(); > > JMenu modeMenu = gm.getModeMenu(); > > modeMenu.setText("Mouse Mode"); > > modeMenu.setIcon(null); > > modeMenu.setPreferredSize(new Dimension(80,20)); > > menuBar.add(modeMenu,BorderLayout.NORTH); > > > > GraphZoomScrollPane graphScroll=new GraphZoomScrollPane(viz); > > graphScroll.add(menuBar,BorderLayout.NORTH); > > graphScroll.add(viz,BorderLayout.CENTER); > > graphScroll.setName("graphScroll"); > > graphPanel.add(graphScroll,BorderLayout.CENTER); > > > > > > Transformer<Vertex,Paint> vertexPaint = new Transformer<Vertex,Paint>() { > > public Paint transform(Vertex i) { > > return Color.RED; > > } > > }; > > Transformer<Vertex,Icon> vertexIcon = new Transformer<Vertex,Icon>() { > > public Icon transform(Vertex i) { > > ImageIcon icon=new ImageIcon("icon/icon.png"); > > return icon; > > } > > }; > > float dash[] = {0.1f}; > > final Stroke edgeStroke = new BasicStroke(1.0f, BasicStroke.CAP_BUTT, > > BasicStroke.JOIN_MITER, 10.0f, dash, 5.0f); > > Transformer<Edge, Stroke> edgeStrokeTransformer = > > new Transformer<Edge, Stroke>() { > > public Stroke transform(Edge s) { > > return edgeStroke; > > } > > }; > > > > Transformer<Edge,Paint> edgePaint = new Transformer<Edge,Paint>() { > > > > public Paint transform(Edge arg0) { > > // TODO Auto-generated method stub > > return Color.BLUE; > > } > > }; > > Transformer<Edge, Paint> arrowColor=new Transformer<Edge, Paint>() { > > > > @Override > > public Paint transform(Edge arg0) { > > // TODO Auto-generated method stub > > return Color.BLUE; > > } > > };;; > > Transformer<Edge, Paint> arrowDraw=new Transformer<Edge, Paint>() { > > > > @Override > > public Paint transform(Edge arg0) { > > // TODO Auto-generated method stub > > return Color.BLUE; > > } > > };;; > > Transformer<Edge, Font> fontEdge=new Transformer<Edge, Font>() { > > > > @Override > > public Font transform(Edge arg0) { > > Font temp=new Font(Font.MONOSPACED,Font.ITALIC, 12); > > return temp; > > } > > };;; > > Transformer<Vertex, Font> font=new Transformer<Vertex, Font>() { > > > > @Override > > public Font transform(Vertex arg0) { > > // TODO Auto-generated method stub > > Font temp=new Font(Font.MONOSPACED,Font.ITALIC, 12); > > > > return temp; > > } > > };;; > > Transformer<Vertex, String> vertexLabelTransformer = new > > Transformer<Vertex, > > String>() { > > public String transform(Vertex vertex) { > > return (String) vertex.getProperty(PROPERTY_NODE_NAME); > > } > > }; > > Transformer<Edge, String> edgeLabelTransformer = new Transformer<Edge, > > String>() { > > public String transform(Edge edge) { > > return > > > > > edge.getProperty(PROPERTY_EDGE_TYPE)+",cost="+String.valueOf(edge.getProperty(PROPERTY_EDGE_COST))+",time="+String.valueOf(edge.getProperty(PROPERTY_EDGE_TIME));//edge.getLabel() > > ; > > } > > }; > > viz.getRenderContext().setEdgeLabelTransformer(edgeLabelTransformer); > > viz.getRenderContext().setVertexLabelTransformer(vertexLabelTransformer); > > viz.getRenderContext().setEdgeDrawPaintTransformer(edgePaint); > > viz.getRenderContext().setVertexIconTransformer(vertexIcon); > > viz.getRenderContext().setVertexFillPaintTransformer(vertexPaint); > > viz.getRenderContext().setEdgeStrokeTransformer(edgeStrokeTransformer); > > viz.getRenderer().getVertexLabelRenderer().setPosition(Position.N); > > viz.getRenderContext().setArrowFillPaintTransformer(arrowColor); > > viz.getRenderContext().setArrowDrawPaintTransformer(arrowDraw); > > viz.getRenderContext().setVertexFontTransformer(font); > > viz.getRenderContext().setEdgeFontTransformer(fontEdge); > > return graphPanel; > > } > > _______________________________________________ > > Neo4j mailing list > > [email protected] > > https://lists.neo4j.org/mailman/listinfo/user > > > _______________________________________________ > Neo4j mailing list > [email protected] > https://lists.neo4j.org/mailman/listinfo/user > _______________________________________________ Neo4j mailing list [email protected] https://lists.neo4j.org/mailman/listinfo/user
