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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gremlin query for the last element of multi property value of vertex

I want to modele data using vertex with multi-properties which has meta-properties, for exemple: the multi-property "date" : [12/12/2012, 13/12/2012, 19/12/2012, 24/12/2012] and meta property for each value of date, for example, date: 12/12/2012…
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Datastax graphloader from hive using jdbc

I have tried using: Database.connection("jdbc:hive2://remote_hive:10000/db_name").driver(???).user("admin").password("admin_password") which driver should i use to connect to hive? Does anyone know if there is some source of API documentation? Or…
user1997656
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How to remove the Edge label from a DSE Graph using gremlin console

How to remove the Edge label from a DataStax Enterprise 5.0 Graph using gremlin console
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Datastax Gremlin Tool: Host not responding

I am trying to deploy a Datastax Enterprise cluster through Azure in order to utilize the graph engine released with DSE 5.0. Unfortunately, the Azure DSE Deployment deploys DSE 4.8, which does not support gremlin or the new DSE Graph engine. So, I…
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Gremlin update property of a vertex

I have a use need to use gremlin 1)to update a single property within a vertex 2)if a specific property of a parent is updated, update the same property in the children Here is what I have for my graph…
EXK
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Gremlin - wait for schema.drop() to finish before executing next line of script

I'm trying to run a Gremlin schema creation script against our Datastax DSE Graph database, and the first line of the script is schema.drop(), but the script seems to immediately go to the next line in the script and throws an error saying the new…
Robert Corvus
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What is the correct approach to match between multiple entities by equality of their properties?

I have multiple entities and properties of the following kind: Linkedin company name phone Facebook facebook_url name website_url phone website linkedin_url facebook_url phone Not all entities have all their properties filled. I want to…
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Gremlin query works in TinkerGraph, JanusGraph and Neo4j but not in DSE Graph 6.8.1

I have the following query which works without any issues with TinkerGraph, JanusGraph and Neo4j-Gremlin: g.V().has('Account','address','0x0'). out('sent').has('eventName','Transfer').as('t1'). …
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Specify worker pool for Apache TinkerPop's Spark-Gremlin - DataStax-Enterprise Graph-Analytics

I need to designate a specific worker pool to run gremlin olap queries. When I run gremlin olap queries using gremlin console or datastax studio it runs under the default pool (which is not what I want). I want to run the gremlin olap queries under…
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How to create search index with DSE search 6.8

I have been working with Datastax 6.7 for a couple of months now. Creating search index with the classic graph requires you create schema.xml and Solrconfig.xml through solr admin, which works fine. But when i upgraded to DSE 6.8, I need to create…
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Tree query using SimpleGraphStatement in CassandraCSharpDriver.Graph throws "cannot cast to org.apache.tinkerpop.gremlin.structure.Element"

I'm able to run this query in the Datastax Studio console and get a tree result back (although it is in malformed json, with all the data returned in the keys instead of values). g.V().has("mything","key",…
Robert Corvus
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Get all unknown vertices connected to a known vertex with C# Datastax CassandraCSharpDriver.Graph

I'm trying to get all the unknown vertices that are connected to a known vertex by an edge using C# Datastax CassandraCSharpDriver.Graph code. This gremlin code correctly returns the list of unknown vertices as well as the target known…
Robert Corvus
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Need Help starting DSE Graph

When I type in the following command "dse gremlin-console" the system tries to start but then i get the following error: Exception in thread "main" java.awt.AWTError: Asssitive Technology not found: org.GNOME.Accessibility.AtkWrapper Do i need to…
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DSE Graph random connection closed exception

So we're running the our application with 3 node DSE cluster and singleton DSESession object. Session or connection is not closed anywhere in the codebase. But randomly I'm getting the following error message. Almost for every 400 requests, there is…
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DSE: Activating OLAP

I have installed using a single DataCenter with Analytics, Graph and Search enabled through OpsCenter and wish to activate OLAP Queries using DSEStudio.I have also managed to do this on the sparkmaster node using gremlin using the following DSE…