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Questions tagged [titan]

Titan is a highly scalable graph database optimized for storing and querying massive-scale graphs containing billions of vertices and edges distributed across a multi-machine cluster

Titan is a highly scalable graph database optimized for storing and querying massive-scale graphs containing billions of vertices and edges distributed across a multi-machine cluster.

Titan is a transactional database that can support thousands of concurrent users.

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954 questions
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Is the Bluemix graph database service running Titan under the hood?

Is the Bluemix graph database service running a regular version of Titan under the hood? won't it be phased out given the TitanDB acquisition, and how can it claim tinkerpop version 3 at a time when the open-sourced version of Titan is still at…
matanster
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Titan IllegalArgumentException:Could not instantiate implementation:com.thinkaurelius.titan.diskstorage.cassandra.astyanax.AstyanaxStoreManager

I'm a beginner with Titan Graph Database and I'm just trying to create a simple titan graph in a particular path using eclipse.Initially , setting the titan configurations followed by creating two vertices and an edge. This is the code i had given…
sabi
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Key Index Must Be Created Prior to Key Being Used

Key Index Must Be Created Prior to Key Being Used Before a key is used as a vertex property, a key index must be created for it if indexing is desired. This pitfall will be fixed in a future release. Is there any way to overcome this limitation
abi_pat
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Issue while ingesting a Titan graph into Faunus

I have installed both Titan and Faunus and each seems to be working properly (titan-0.4.4 & faunus-0.4.4) However, after ingesting a sizable graph in Titan and trying to import it in Faunus via FaunusFactory.open( ) I am experiencing issues. To…
Mirco A. Mannucci
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Titan: NullPointerException is thrown instead of IllegalArgumentException

In this code Vertex page = graph.getVertex(pageId); If pageId doesn't exist it should throw IllegalArgumentException but instead it throws NullPointerException. Here page is null. I am catching IllegalArgumentException exception but its…
Manish Kumar
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How to install titan 1.0.0 api for java

I'm able to run groovy scripts via the gremlin console, but I wish to use titan db in Java files and I can't find a way to install Titan API for java.
s279
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How to convert String to List in Groovy

I'm having problem converting the Strings "[3]" here: p = {"results":["[3]","[3]"],"success":true,"version":"2.4.0","queryTime":63.102287} to Lists. p[0] gives me: {"results":["[3]"],"success":true,"version":"2.4.0","queryTime":68.24303} So I…
agiledevpro
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Graph DB: Sort product based on likes

I have a product vertex which has incomming like edge. User ------- likes ----------->products In my search result I want to sort the products based on likes. How this can be done ?
Manish Kumar
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What is my mistake?

This is my rexster.xml file configured as below 8182 0.0.0.0 …
Ramnath Reddy
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