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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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Running query in gremlin-console, getting "Unable to create an OLAP traversal Source when spark is not running or cannot be detected"

according to : https://docs.datastax.com/en/latest-dse/datastax_enterprise/graph/graphAnalytics/northwindDemoGraphSnapshot.html I connected in OLAP mode and got the above failure. I did 'dse spark' , successfully . But I don't understand why I…
user4808924
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DSE Graph Loader error with sample CSV file

I'm trying DSE Graph Loader. DSE graph loader version is 5.0.3. I'm using Virtual Box image downloaded from DataStax website. When I'm following instruction from https://docs.datastax.com/en/latest-dse/datastax_enterprise/graph/dgl/dglCSV.html. It…
wwg
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Modify large graph DSE Datastax

I want to go over every node and calculate the number of connections of that node. Is there a way to go over the nodes in a distributed manner ? I have around 50 million nodes Thanks Cristi
CristiC
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datastax graphloader performance , is it Bulk loading or using api graph.addVertex for each vertex?

How can I do Bulk loading into dse graph ? graph.addVertex is only for one vertex. I don't understand How "batch_size" config works in the graphLoader. How graphLoader creates transactions?
sara
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How can I use graphLoader from another program ,and get result success or failure

I run graphLoader in console But I would like an autonmatic process to call graphLoader and be able to know if graphLoader succeeded or fails .and which vertexes and edges failed on insert in case of error.(Is graphLoader success means all data…
sara
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How can i find path between vertexes in a very big graph

For example in twitter how can we find path between person a to person b ? The query using repeat is recursive and can be very heavy on a big graph.how can i use olap for better performance?.or there is another way?
sara
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Does graphloader can be distributed ? I have cluster machines on production mode

I use DSE Graph Loader reading input files from Hadoop Distributed File Systems. I would like to insert the data into dse graph cluster(on multiple machines) in a distributed way.How can It be done?
user4808924
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Is dropping an edge property expected to drop its edge?

With DSE v5.0.3, I've encountered a situation where dropping an edge property drops its edge as well. Both of the gremlin console examples use the following schema configuration: gremlin> system.graph('example').create() ==>null gremlin> :remote…
Leif Halldor Asgeirsson
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What are the allowed characters for DSE Graph label names and property keys?

What are the allowed characters for DSE Graph Vertex/Edge label names and Property Keys? Titan allowed any value, and we had some of our labels namespaced with . characters. Trying to import our data into DSE Graph throws an exception telling us…
Christian
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Load multiple csv files from a directory using dataloader

I have data in multiple CSV files(having same header name) in a directory. I want to create vertices from those CSV files. How can i load all files with a single load using dse graph loader. because i have almost more then 600 csv file ?
Rajni Kant Sharma
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Failure to be able to access classes from imported libraries

My research team wrote a script for loading some data from edn files into a Titan database. We are now attempting to migrate our work to a Datastax Enterprise Graph database. When we use :load on gremlin-server the script gets through the import…
MFin
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Load CSV data from aws-s3 in dse Graph Loader

I have data on aws-s3(in csv format) and i want to load that data in dse graph using Graph Loader. i have search but nothing found on this topic. is it possible using dse graph Loader?
Rajni Kant Sharma
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DSE graph not able to create search index asText for a property

I've just started my journey with DSE graph (had fair bit of understanding of Titan earlier). I've set-up DSE graph with Datastax 5.0.3. When trying to create a search index for a property, I am getting following exception.…
Phani
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Full text search in solr embedded in datastax

I have a graph and i put search index on different properties of vertices in that graph. Now i want to implement full text search(like google) on vertices of that graph. I have tried using copyField but it's not working because for each search index…
Rajni Kant Sharma
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How can I load geo.point using graphloader?

Im using the last version of datastax dse graph. I need to load geo point from text file into the graph. Is it ok to write POINT(12.3 34.5) for geo point in the text data file? or POINT(X,Y)? or Geo.point(x,y)?
sara
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