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Questions tagged [rexster]

Rexster is a high-performance graph server that allows you to access any Blueprints graph through from any programming language through its binary protocol or its HTTP/REST API.

Rexster is a high-performance graph server that allows you to access any Blueprints graph from any programming language through its binary protocol called RexPro or its HTTP/REST API.

You query Rexster with the graph-traversal language Gremlin, and you can extend Rexster to support custom server-side algorithms for graph searching, scoring, ranking, and recommendation.

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How to load aws dynamodb titan graph with Rexster server?

I'm new to AWS DynamoDb Titan Graph DB. So i follow the instruction at here https://github.com/awslabs/dynamodb-titan-storage-backend/tree/1.0.0 I can start Gremlin server and load GraphOfTheGods ok. Then i want to load graph with Rexster server. I…
MichaelP
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How to populate Titan with example data sets?

I am following the AWS docs on how to run Titan with DynamoDB as a storage backend. There seem to be a lot of ways to query my graphs (Gremlin CLI, Rexster via JSON and Web UI). My rexster.xml configuration file references a graph-name called…
Ingo
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how to restrict titan when adding a vertex without unique property key

I want to put a restriction in titan graph while adding a new vertex with out unique property key. Eg: In my titan graph "aid" is unique property key and if I try to add any vertex thru gremlin or rexster without using "aid" it should stop. Steps…
Srinivas Rao
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TITAN: What is the optimum commit frequency while uploading bulk vertices and edges into the graph?

I am using a TITAN-0.4.3, REXSTER 2.4 over Cassandra & Elasticsearch. My use case requires to bulk upload vertices and edges into the graph at a time. Right now I am calling commit() after adding each vertex+edge. I run some test by different commit…
Remis Haroon - رامز
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How configure multiple cassandra nodes as storage.backend in Rexster config?

I have Titan/Rexter running on machine and a 3-node cluster of Cassandra as storage.backend for the Titan graph DB. I want to configure Rexster, so as to connect to all 3 nodes of Cassandra cluster. I have listed ip-addresses of all nodes of…
Remis Haroon - رامز
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what command i have to use to clear rexster graph from terminal?

I know how to clear graph data data with python bulbs. We clear the graph data with 'g.clear()' but i want to clear graph from terminal
ram
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how to add a graph to rexster sever (titan/cassamdra backend) and how to add a edges and verices to graph with python client?

I have a rexster server 2.3.0 and titan-cassandra 0.3.0 .and one graph is configured with name of empgraph in rexster.xml file . How to add edges and vertices's to that empgraph with titan client? All are installed in local host only .
ram
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Cannot get Rexster to work with Orient-DB - Some sort of permission/user-login error?

I have installed Orient-DB 2.0.2 and have got it running. I can access it via http://localhost:2480/ and access the demo 'GratefulDeadConcerts' database with user 'admin' and password 'admin'. I have installed Rexster Server 2.6.0. Using the default…
neRok
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What are the methods to create indices?

Every example I've been able to find in the Titan documentation creates indices using the Rexster console. You log in to a single Titan node, create your indices and commit. After a while the whole cluster is aware of the index and it can be used. I…
Sebastian Schlicht
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Titan node does not come up

I have a small Titan 0.5.0 cluster with 8 nodes. Every node runs Titan in Rexster 2.5.0 and Cassandra. They all are configured the same. Unfortunately nearly all the time one of them does not manage to start. In most cases this is one of the seed…
Sebastian Schlicht
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How to POST / PUT edge with number property?

I am using Rexster to load data into a TitanDB. When posting / putting vertices, I can provide properties as JSON in the request's body. If a property's value is a number, it will correspondingly be stored as a number and can be retrieved as such.…
ErikWittern
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How to loop over verticies in Gremlin and adding edge

I'm trying to figure out how to loop over verticies within a container and adding edges between the current vertice in the loop and a given vertice. This is what I have so far: This gives me an array of all vertice id's within the given…
agiledevpro
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Error: Could not get list of graphs from Rexster

I have problems with Rexsters Doghouse. When I access the doghouse I just see a black page with a small menu and under that there is an error saying Error: Could not get list of graphs from Rexster I've read that this problem can occur if one…
agiledevpro
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How to connect to rexster server over rexpro within the java code?

I have a rexster server running locally on my machine on port 8984. I want to connect to my graph dadabase (orientdb) and execute gremlin scripts within my java code. I couldn't find any good example or tutorial on doing that. Here is my…
Sina
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Rexster for Sparql over Titan + Cassandra

I have been running a Titan graph db over Cassandra cluster. In this I have both blueprint graph and RDF graph. I am using rexster server for querying (gremlin) and visualization purpose with no problem. Now I want to do sparql query using rexster.…
EpistemeData
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