It worked! Thank you very much! On Wednesday, 1 June 2016 03:04:01 UTC+3, Michael Hunger wrote: > > Please upgrade to SDN 4.1.1 and test again. > > We improved a lot in the Cypher generation > > Michael > > > Am 31.05.2016 um 15:05 schrieb Roxana Ioana Roman <[email protected] > <javascript:>>: > > > > I have a Vertex node entity which has a List of relationships. > > > > @NodeEntity (label="User") > > public class Vertex { > > private Long id; > > private String name; > > @Index(unique=true) > > private String email; > > @Relationship(type="WORKS_WITH", direction = Relationship.OUTGOING) > > private List<Edge> teammates; > > .. > > } > > > > @RelationshipEntity(type = "WORKS_WITH") > > public class Edge { > > @GraphId > > private Long relationshipId; > > @Property > > private double weight; > > @StartNode > > private Vertex src; > > @EndNode > > private Vertex dest; > > } > > > > I have a Spring Boot application and I am using spring-data-neo4j > (4.0.0) with a local neo4j server. When I save a Vertex object with 3-10 > edges in the edges list it works well. If the edges list becomes larger (up > to 20-30 edge objects), the application fails to save the vertex. I save > the vertex using the GraphRepository from org.springframework.data.neo4j: > > > > vertexRepository.save(vertex); > > > > I have left all the tunning parameters as default since I am not saving > large amounts of data yet. I have set the size of the memory pool and > permanent generation space to: > > > > export JAVA_OPTS="-Xmx256M -XX:MaxPermSize=512M" > > > > In the messages log I get: > > > > 2016-05-31 12:12:06.592+0000 WARN [o.n.k.i.c.MonitorGc] GC Monitor: > Application threads blocked for 327ms. > > 2016-05-31 12:12:08.256+0000 WARN [o.n.k.i.c.MonitorGc] GC Monitor: > Application threads blocked for 260ms. > > 2016-05-31 12:12:09.915+0000 WARN [o.n.k.i.c.MonitorGc] GC Monitor: > Application threads blocked for 258ms. > > 2016-05-31 12:12:12.690+0000 WARN [o.n.k.i.c.MonitorGc] GC Monitor: > Application threads blocked for 269ms. > > > > The Neo4j Documentation suggests that for 2 Million Nodes you need 512Mb > of Heap so that would suffice for my case. > > > > My machine is a Google Compute Engine Instance: custom (2 vCPUs, 8 GB > memory). What could be the problem here? > > > > > > -- > > 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. > >
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