Hi Michael, number of rels returned is 10-50 . Yes, i close the hits iterator as soon as its purpose is served.
On Saturday, July 5, 2014 1:08:09 AM UTC+5:45, Michael Hunger wrote: > > How many rels are returned from the call? > > Do you close the hits afterwards to release resources? > > Sent from mobile device > > Am 04.07.2014 um 10:51 schrieb ashish jindal <[email protected] > <javascript:>>: > > Hi, > I am relatively new to neo4j. I have implemented a traversal algorithm > using neo4j as underlying graph storage. > Graph has about 40K nodes and about 2M edges. > Using 2.1.2 community version of neo4j embedded. It is hosted as service > in tomcat7 with allocated 6Gb of memory on 14.04 Ubuntu. > Following is a piece of code which does numeric index queries. > > *RelationshipIndex numericIndex > = graphDb.index().forRelationships(Constants.RELATIONSHIP_INDEX);* > * public Relationship getRelationship(Node n, int lowerlimit, int > upperlimit) throws Exception {* > > > * long t1 = System.currentTimeMillis();* > * IndexHits<Relationship> hits = > numericIndex.query(QueryContext.numericRange("start_time", lowerlimit, > upperlimit, true, true), n, null);* > * long t2 = System.currentTimeMillis();* > * time_spent_in_numeric_index_queries += t2-t1; // global > variable* > * // do something on hits and return a > relationship from it* > > * }* > for a single threaded traversal time_spent_in_numeric_index_queries ~= 1 > sec. > but if i do multiple traversals ( same traversal ) in parallel , > time_spent_in_numeric_index_queries increases linearly . for 10 calls in > parallel it takes ~= 5 sec. > Also, i am only doing read operations throughout . > I want to know, how does querying work? Does it each query lock the entire > index? > > > Thanks, > Ashish > > > -- > 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 [email protected] <javascript:>. > 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 [email protected]. For more options, visit https://groups.google.com/d/optout.
