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Questions tagged [janusgraph]

JanusGraph is a scalable graph database optimized for storing and querying graphs containing hundreds of billions of vertices and edges distributed across a multi-machine cluster. JanusGraph is a transactional database that can support thousands of concurrent users executing complex graph traversals in real time. When posting questions, please include environment details, such as the storage and indexing backends used.

JanusGraph is a scalable graph database optimized for storing and querying graphs containing hundreds of billions of vertices and edges distributed across a multi-machine cluster. JanusGraph is a transactional database that can support thousands of concurrent users executing complex graph traversals in real time.

When posting questions, please include environment details, such as the storage and indexing backends used.

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694 questions
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2 answers

How can I use gremlin-console to remotely create and access variables?

I remotely connect to a gremlin server using gremlin-console(which is janusgraph), but when I create a variable and access it, it doesn't work. My ultimate goal is to use gremlin-console to create index... gremlin> :remote connect tinkerpop.server…
Gao
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JanusGraph BulkLoading CSV with ScriptInputFormat

I am trying to load a CSV file into a JanusGraph. As I understand it, I need to create my graph and the schema, then use the BulkLoaderVertexProgram with my own custom groovy script to parse my csv file. Doing that, it seems to work as I can see the…
Etienne Sauriol
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1 answer

GUI for building JanusGraph DB

I am exploring JanusGraph DBs and require visual editing, like MySQL workbench. I found some visual editors for Neo4j. Are there any visual editors for JanusGraph as well? or can those tools be used with JanusGraph?
Sharvari Nagesh
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9
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6 answers

How can I remotely connect to a JanusGraph server?

I want to use Java API to manipulate graph on a remote server, the server actually hosts in localhost. The code I use to connect server is: JanusGraphFactory.Builder b = JanusGraphFactory.build(); b.set("hosts", "[localhost]"); JanusGraph graph =…
Gao
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7
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1 answer

How to integrate Cytoscape with JanusGraph 0.2?

JanusGraph official website provides some graph visualization tools. Cytoscape is one of them. I want to visualize my graph data with Cytoscape. I have no clue how to integrate Cytoscape with JanusGraph. Can someone provide some information how to…
jonyroy
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7
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4 answers

What is difference between Titan and Neo4j graph database?

I had worked on relational database; but now want to learn about graph database. I came to know that these two are graph database. What is difference between these two databases. What should we prefer among them?
Akshay Gaikwad
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2 answers

JanusGraph + Cassandra (Generic questions)

I have a few questions regarding the integration of the two tools. Not technical questions and how to setup( i will have my fun with that later ) but more on the course of the project and the direction, seeing that JanusGraph is still very young. I…
iocentos
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1 answer

Should I use TitanDB?

I am thinking of using TitanDB. It seems to really fit our needs (we have full control over the storage engine and we can build it on top of DynamoDB). However I am worried about the fact that the project is not maintained anymore and a fork was…
danielz
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6
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1 answer

TemporaryBackendException while using JanusGraph Java API and HBase

I am using JanusGraph Java API, with HBase as storage backend One thing I have to mention is that I can successfully run the same commands in JanusGraph shell, gremlin.sh The log before the error is below, which happens during the opening of the…
Litchy
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Does JanusGraph run on Windows 10

Windows 10, janusgraph-0.2.0-hadoop2. I have put the winutils.exe in the bin folder. P:\Software\DB\NoSQL\janusgraph-0.2.0-hadoop2\bin>gremlin-server.bat Error: Could not find or load main class Files I had a quick look at the bat script and added…
Kaliyug Antagonist
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Adding data to JanusGraph database

I had to use JanusGraph to retrieve and add data to it from java program. But i don't know how do i connect to a particular graph of db.Below is the code that i am using to insert data in the db but when i try to see the data from gremlin console, i…
Srijan Sharma
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6
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1 answer

Setup and configuration of JanusGraph for a Spark cluster and Cassandra

I am running JanusGraph (0.1.0) with Spark (1.6.1) on a single machine. I did my configuration as described here. When accessing the graph on the gremlin-console with the SparkGraphComputer, it is always empty. I cannot find any error in the…
Felix Hill
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5
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2 answers

Passing dynamic value inside sample method in gremlin is not working

I am a newbie to the gremlin. I am trying to get some random vertices based on some condition. But if I am using sample method with some mathematical computation it is not working. But if I give integer values it is working fine. The following query…
rajashekar
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5
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1 answer

Max frame length of 65536 has been exceeded

I have a set up where I am using the gremlin-core library to query a remote Janusgraph server. The data size is moderate for now but will increase in the future. A few days ago, I saw the "Max frame length of 65536 has been exceeded" error on my…
Anya
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5
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1 answer

Gremlin Python in Web Application

I have a python flask web app, which is querying a Janus graph DB using gremlin_python. One basic question is the correct way to initialize the graph traversal object. Can I initialize my traversal g =…
Max Arbiter
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