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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.

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illegal cyclic reference involving error with Spark+Scala combine

I'm facing illegal cyclic reference involving error with Spark+Scala combine. Error Ocured during job for '1473170880000000' and Error Message is scala.reflect.internal.Symbols$CyclicReference: illegal cyclic reference involving method srcip at…
Balaji Reddy
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why schema clear() and schema creation are taking so long in Datastax DSE 5.0.x Graph?

I have a graph that has no data in it. Yet schema.clear() takes more than 3-4 minutes to execute. schema creation takes another 2 mins.. Is this normal or there is something wrong with my configuration? Thanks!
Michail Michailidis
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Why or() queries are not using index in Datastax DSE 5.0.x Graph?

I have created an index on User and on uuid if I do: schema.vertexLabel("User").describe() I get: schema.vertexLabel("User").index("byUuid").materialized().by("uuid").add() When I am running: g.V().hasLabel("User").has("uuid","oneUuid") The…
Michail Michailidis
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dse graph connection timeout from nodejs driver when trying to execute graph queries

I'm playing with the last version of DSE Enterprise. I'm interested in the graph features. I currently have one project running on Titan the open source graph database that inspired DSE Graph, and I'm trying to evaluate DSE Graph as a replacement…
Toufic Zayed
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Using index in DSE graph

I'm trying to get the list of persons in a datastax graph that have the same address with other persons and the number of persons is between 3 and 5. This is the…
CristiC
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DSE Graph Loader mapping edges

I have to map data from JSON files to DSE. Everything is working just fine, but I didn't find any documentation about the way to map edges connected to different nodes but sharing a same label. Example : [A:Car] -- [OWNER] --> [B:Person] [C:Car] --…
Nicolas Delaforge
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Edge cardinality guarantees in concurrency scenarios

DSE Graph allows to specify edge cardinalities, i.e. for certain edge labels, it can enforce that only one edge with such a label goes out from any vertex. This works pretty well in manual, linearized tests - trying to set a second edge with the…
Daniel C. Weber
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DSE graph throwing invalid query exception

I am using datastax-5.0.5 version along with client jars with dependencies: dse-driver (version- 1.1.1-beta1) and gremlin-driver(version- 3.2.0-incubating) The following query was giving good results on trying with some 4000 nodes on the…
Varun Tahin
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Import graphML created via gremlin in Orientdb to include in DSE graph by Graphloader

I have imported my graphdata in form of GraphMl from orientDb by using gremlin console by g.saveGraphML(filename.xml) funtion. Now I have to import this graphML in DSE graphloader . But I found out that the format of graphML DSE graph accepts is not…
Varun Tahin
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NoClassDefFoundError: io/netty/handler/timeout/IdleStateHandler Datastax dse java driver

I am trying to connect DSE 5.0 server on ubuntu (with graph enable) with my java code but got this error Exception in thread "main" java.lang.NoClassDefFoundError: io/netty/handler/timeout/IdleStateHandler at…
Prakash P
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Datastax dse graph installation

I am experimenting with Datastax Dse 5.0.5 graph on ubuntu machine. I am mostly interested in graph part of Datastax enterprise package. I have executed these below commands on different terminals ./bin/dse cannandra ./bin/dse…
Prakash P
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How to create a graph and its schema without using Datastax Studio but through Java?

I was trying to create my first connection with DSE Graph through java.. public static void main(String args[]){ DseCluster dseCluster = null; try { dseCluster = DseCluster.builder() …
Michail Michailidis
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Migrating from Titan to DataStax Enterprise Graph

I'm migrating from Titan to Datastax. I have a graph with around 50 million nodes that is composed in Persons, Addresses, Phones, etc I want to calculate a Person node connections (how many persons have the same phone, addresses, etc). In Titan I…
CristiC
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How can I run OLAP queries using Node.js Driver for DataStax graph?

I would like to run OLAP queries . Im using datastax node.js driver for OLTP queires. How can I run OLAP using node.js ? http://www.datastax.com/dev/blog/nodejs-driver-for-datastax-enterprise
sara
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Why isn't it possible to use DSE Authentication with Gremlin Server using the GraphSON serializer?

I'm trying to use the GraphSON serializer with gremlin server on a DSE instance that uses DSE Authentication. Based on the TinkerPop provider docs, upon receiving a 407 result, authentication would be achieved by sending the following request…
Leif Halldor Asgeirsson
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