Can you raise a GitHub issue for this? On Wed, Jun 8, 2016 at 12:23 PM, Kamilos <k19me...@gmail.com> wrote:
> Hello, > > I found something which is very strange. > > I have a graph with 100 000 nodes where a node has a property "age". > > If i want to update the property "age" of 50 nodes with the Java API > > Node node; > ArrayList<Node> toUpdate=new ArrayList<Node > time1=System.nanoTime(); > > try (Transaction tx = graphDb.beginTx()) { > > for(int i = 1;i<=50;i++){ > node = graphDb.findNode(labelPerson, "name", i); > if(node != null) > toUpdate.add(node); > } > for(int i = 0;i<toDelete1.size();i++){ > toUpdate.get(i).setProperty("age", Math.random()); > //SOLUTION 1 // generate a double between 0.000000 and 1.0000000 > toUpdate.get(i).setProperty("age", String.valueOf(Math.random())); > //SOLUTION 2 // same number but stored as a string > } > tx.success(); > } > > time2=System.nanoTime(); > > > > > If I store the random double value as a double, it takes a lot of time to > perform this operation. (201 seconds !!!) > Same issue if it is stored as a float. > > However, If I store the same random value but as a String it is > instantaneous. > > > Any reason why ? Is it related to the internal Lucene Index having issues > with this ? > > While inserting the data, I created the index the following way : > > public static String propertyAge = "age"; > inserter = BatchInserters.inserter(new File(Const.DB_PATH_Neo4J)); > inserter.createDeferredSchemaIndex(personLabel).on(propertyAge).create(); > > > I using Neo4J 3.0.0 > > -- > You received this message because you are subscribed to the Google Groups > "Neo4j" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to neo4j+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "Neo4j" group. To unsubscribe from this group and stop receiving emails from it, send an email to neo4j+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.