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Questions tagged [datastax-enterprise-graph]

DataStax Enterprise Graph is a scalable, enterprise-ready graph database.

DataStax Enterprise Graph is a scalable, enterprise-ready graph database capable of storing and querying graphs with billions of elements while providing enterprise features such as security, monitoring, advanced management, encryption and 24/7 support.

213 questions
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Can't initialize graph on Datastax using Spark

I'm trying to initialize my Datastax graph using Spark as follow : val graphBuilder = spark.dseGraph("GRAPH_NAME") but I have the following exception : Exception in thread "main" java.lang.NoClassDefFoundError:…
BeginMoh
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dse graph - cassandra keyspace _pvt not created

$ bin/dse gremlin-console \,,,/ (o o) -----oOOo-(3)-oOOo----- plugin activated: tinkerpop.tinkergraph plugin activated: tinkerpop.server plugin activated: tinkerpop.utilities gremlin> system.graphs() ==>idg gremlin> $…
Moses
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Gremlin count() query in Datastax is too slow

I have 3 node in datastax enterprise and loaded 65 million vertices and edges on these. when i use dse studio or gremlin console and run gremlin query on my graph the query is too slow. I defined any kind of index and test again but Had no…
ahmad
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Removing Seed node from Datastax datacenter

I have 6 nodes in our data center of which 3 node also act as seed nodes.I was planning to remove 3 nodes from rack2 and also reduce seed node count to two. With "nodetool decommission" we can remove nodes but is there any extra steps involve in…
Sreeraju V
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Transactions in Tinkerpop3 DSE

This is a question to understand the transaction semantics in DSE graph via TinkerPop3 Java API As I understand, when you have DseSession.executeGraph(String query) is executed in a single transaction. But what is the mechanism to achieve the same…
Sathyakumar Seshachalam
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How to calculate the Date difference in CQL3/Cassandra

I'm Trying in the cassandra query language tool DevCenter 1.6.0 to get the date difference from existing table.
user3160314
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Iterating a GraphTraversal with GraphFrame causes UnsupportedOperationException Row to Vertex conversion

The following GraphTraversal traversal = gf().E().hasLabel("foo").limit(5); while (traversal.hasNext()) {} causes the following Exception: java.lang.UnsupportedOperationException: Row to Vertex conversion is not supported: Use…
Glide
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How to handle supernodes with DSE Graph

I’ve a simple Vertex „url“: schema.vertexLabel('url').partitionKey('url_fingerprint', 'prop1').properties("url_complete").ifNotExists().create() And a edgeLabel called „links“ which connects one url to…
Michael Weber
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Gremlin Python project By clause

Have a graph running on Datastax Enterprise Graph (5.1 Version), running on Cassandra storage. Trying to run a query to get both the ID and the property. In Gremlin Console I can do this: gremlin> g.V(1).project("v",…
ZhijieWang
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DataStax Enterprise Graph adding Edge using Fluent API

i was able to add an edge in DSE graph using the native api from java. but when i try to add the edge using the fluent api in java, it doesnt work. i went through the documentation for fluent api and there was nothing to show how to add an edge.…
Aditya S
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Gremlin: adding edges between nodes having the same property

I am very new to Gremlin. I am trying to build a graph on DSE graph using Gremlin. I am able to create the vertices: a = graph.addVertex(label, 'label1', 'key', 1) b = graph.addVertex(label, 'label1', 'key', 2) c = graph.addVertex(label, 'label2',…
phaidara
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Explain plan in gremlin Tinkerpop3 (DSE graph)

I have written one query which is taking longer than expected…
Varun Tahin
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Intersect query for tinkerpop3 gremlin

I am using DSE-5.0.5 and DSE-studio and want to write a query in gremlin inside notebook graph. Is there a intersect query that could give me common elements between two sets returned via traversal in tinkerpop3 . I have written this…
Varun Tahin
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datastax node.js driver for graph(using gremlin queries), How can I fetch large results set?

Im using datastax node.js driver for dse graph. According to http://docs.datastax.com/en/developer/nodejs-driver/latest/features/paging/ It works only for Cassandra and DSE, but I would like to do the same for DSE Graph using gremlin queries :…
user4808924
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Why AddEdgeStep doesn't work after DropStep of edges in the same traversal using Gremlin?

I have this code which essentially updates properties, removes all old IsOfType edges and adds new IsOfType edges (if I remove all the method/class abstraction and make it inline): traversal = g.V("Entity:633471488:519").as("entity"); //update…
Michail Michailidis
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