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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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Should I keep database connection open?

When I connect to Rexster graph server with Grex should I keep the database connection open? var grex = require('grex'); var client = grex.createClient(); client.connect({ graph: 'graph'}, function(err, client) { if (err) { console.error(err);…
Ian Warburton
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How to create a graph database in TinkerPop/Rextser using the Rexster Docker image and Bulbs?

How do I create a new database? I am using the Rexster Docker image from "https://github.com/konrade/docker-rexster" to get a functional Rexster server up and running. It is run using the following command: sudo docker.io run -i -t -P 6cced29c46a3…
user1431798
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Bulbs python Connection to a remote TitanDB + Rexster

I'm using TitanGraphDB + Cassandra. I'm starting Titan as follows cd titan-cassandra-0.3.1 bin/titan.sh config/titan-server-rexster.xml config/titan-server-cassandra.properties I have a Rexster shell that I can use to communicate to Titan +…
liv2hak
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How to Format Rexster POST to Add an Edge to a Titan Graph

I'm attempting add an edge to my Titan Server 0.4.4 graph using an AngularJS resource. The resource looks like this: 'use strict'; angular.module('storymapApp').factory('edgeResource', function ($resource) { var EdgeResource =…
kdonaldson
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How to create and start working with a graph database in Titan/Rexster from Bulbs

I've downloaded titan-server-0.4.4.zip and unzipped it and ran : $ bin/titan.sh start This started both Cassandra and Titan + Rexster. Now, I want to create a new graph for my application (say 'ggg') that I want to create from Bulbs in my Python…
Kevin
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Rexster query returns "No such property: v for class: com.thinkaurelius.titan.graphdb.database.StandardTitanGraph"

I'm using TitanGraphDB + Cassandra. I'm starting Titan as follows cd titan-cassandra-0.3.1 bin/titan.sh config/titan-server-rexster.xml config/titan-server-cassandra.properties I have a Rexster shell that I can use to communicate to Titan +…
liv2hak
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Bulbs: Creating a vertex only when not already present

I am using bulbs to create vertices.I have written 3 functions given below to do the same.Just to help you understand the properties of the vertices I am listing below the output of the debug lines in each of the functions. DEBUG LINE: …
liv2hak
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Rexster extension using Neo4j Lucene index

I'm trying to write a Rexster extension in Java that among other things queries nodes using Neo4j 2.0 Lucene indices. From the few threads I was able to find (mostly old Google Group threads), it doesn't seem to be possible using Blueprint's…
m_vdbeek
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Testing Vertices creation from Groovy commandline in Rexster

I have Titan (with embedded cassandra running on my system). cd titan-cassandra-0.3.1 bin/titan.sh config/titan-server-rexster.xml config/titan-server-cassandra.properties I have rexster server running cd…
liv2hak
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Not able to use bulbs to program Titan GraphDB/Rexster

I have Titan (with embedded cassandra running on my system). cd titan-cassandra-0.3.1 bin/titan.sh config/titan-server-rexster.xml config/titan-server-cassandra.properties I have rexster server running cd…
liv2hak
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Rexster + Bulbs: Unicode node property - node created but not found

I am using bulbs and rexster and am trying to store nodes with unicode properties (see example below). Apparently, creating nodes in the graph works properly as I can see the nodes in the web interface that comes with rexster (Rexster Dog House) but…
user2042696
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How to include edges in Gremlin while doing breadth first search?

In my gremlin query, I have the following: vert.as('x'). both.or( _().has("time").filter{ it.time.toInteger() > startTime.toInteger() }, _().has("isRead"), _().has("isWrite")).dedup().gather.scatter. store(y).loop('x'){c++ <…
Adam Miller
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Gremlin - How to filter while converting property to Integer?

I have the following segment of gremlin code: vert.as('x'). both.or( _().has("time").filter{ _()["time"] > startTime.toInteger() }, _().has("isRead"), _().has("isWrite")).dedup{}.gather.scatter. store(y).loop('x'){c++ <…
Adam Miller
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Load methods on bootup, Aurelius Titan with Rexster

Is there a way to load gremlin methods into the rexster/Titan on bootup? This way I don't have to resend these methods each time I want to use them via rexpro. Currently I do stuff like this (trivial example): rexpro_client.execute("def…
Automatico
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Bulk/Batch updating/inserting using bulbs and rexster?

I'm using python bulbs with Rexster and OrientDB. Is there a way to bulk/batch update/insert multiple vertices or edges at the same time?
Derek
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