Insert 10 million nodes into JanusGraph

insert-10-million-nodes.java

graph = JanusGraphFactory.open("conf/janusgraph-cql-es.properties")
mgmt = graph.openManagement();
name = mgmt.makePropertyKey("name").dataType(String.class).cardinality(Cardinality.SINGLE).make();
mgmt.buildIndex("nameIndex", Vertex.class).addKey(name).buildCompositeIndex();

age = mgmt.makePropertyKey('age').dataType(Integer.class).make()
mgmt.buildIndex("ageIndex", Vertex.class).addKey(age).buildMixedIndex("search")

mgmt.commit();

v = graph.addVertex("name", "outer");
for (i = 0; i < 2500; i++) {
    otherV = graph.addVertex("name", "middle")
    v.addEdge("connects", otherV);
    for (j = 0; j < 4000; j++) {
        innerV = graph.addVertex("name", "inner" + (j % 50), "age", j % 100);
        otherV.addEdge("connects", innerV);
    }
    graph.tx().commit();
}