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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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857 questions
18
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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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14
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0 answers

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 a csv file. Doing that, it seems to work as I can see the…
Etienne Sauriol
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14
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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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13
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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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11
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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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10
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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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9
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1 answer

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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9
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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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8
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0 answers

What is the minimum System requirement to launch janusgraph

I just started JanusGraph and my total RAM usage is more than 5GB without firing any queries. I have the following dependent services running JanusGraph GremlinServer (via JanusGraph) Cassandra (via JanusGraph) Elasticsearch (via…
Akshay
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8
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1 answer

Does JanusGraph run on Windows 10

I'm running on Windows 10 with 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…
Kaliyug Antagonist
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8
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1 answer

Gremlin.Net Casting from Enumerable.SelectIListIterator object to real type

I don't know if my question is about c# and casting or related to Gremlin.net Library return Types. I am using this query to get vertices with their db ids. g.V().As("vertex").ValueMap>() …
janus graph
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8
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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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7
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1 answer

What are the Pros and Cons when using remote janusgraph connection over embedded?

I am using embedded janusgraph in my java backend my code depends on janusgraph instanciated from graph = JanusGraphFactory.open(conf) AFAIK this connects to Cassandra and elastic search directly and run the janusgraph processor in my backend…
Ali Aboud
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7
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1 answer

Update action [REINDEX] cannot be invoked for index with status [INSTALLED]

I am following this blog: https://developer.ibm.com/dwblog/2018/janusgraph-composite-mixed-indexes-traversals/ code: gremlin> graph.tx().rollback() ==>null gremlin> mgmt =…
Arayan Singh
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7
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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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