The JanusGraph Technical Steering Committee is excited to announce that JanusGraph is now accepting donations. As you may know, most of JanusGraph contributors are not full-time JanusGraph employees,

ERRATA > 1. if I load one file, then the other, Janus will not create the edges that have "origin" in one file and "target" on another because I guess it does not find the target vertex on the same fi

Hi All, I am trying to run SparkGraphComputer using tinkerpop 3.4.1 on Spark2.3 having Hadoop3 but getting issues, not able to connect with Spark. As per http://tinkerpop.apache.org/docs/3.4.1/upgrade

I was able to create a "Composite Index", but I cannot seem to be able to create a "Mixed Index" with berkeleyjs and lucene. What I've done: - I've modified the ".properties" file index.search.backend

On behalf of the JanusGraph Technical Steering Committee (TSC), I'm pleased to welcome a new Technical Steering Committee member on the project! Boxuan Li has provided major contributions and has demo

What am I doing wrong? I cannot get Janus to start. $ java -version openjdk version "1.8.0_252" OpenJDK Runtime Environment (build 1.8.0_252-8u252-b09-1~deb9u1-b09) OpenJDK 64-Bit Server VM (build 25.

I've read the "Bulk Loading" chapter of the documentation several times but I still don't understand how to create a graph. Everything that I can find online is some Java or Groovy code. Given: 1. a g

I'm moving from AWS Neptune architecture to JanusGraph in CentOS. Anyone has tried implementing Belief Propagation with JanusGraph?

My understanding is that a Janus server can host multiple graphs, but they are isolated and cannot be queried together. I'd like to know if/how it's possible to split one single graph into multiple su

I'm seeing very slow performance when opening a new session in JanusGraph. The message I'm sending is this: {"requestId":"02a58ee3-e4d3-11eb-bd29-04d4c4eaf347","op":"eval","processor":"session","args"

Hi All, Please take a look at following issue and provide your feedbacks https://stackoverflow.com/questions/67908881/how-to-improve-performance-of-count-query?noredirect=1#comment120034631_67908881 T

Hello, What would the system requirements for JanusGraph be with 100 GB of data? Thanks

After loading a large graph 20k nodes into JanusGraph a couple of times and then deleting via g.V().drop() my cassandra server crashes with the below message. data_storage_1 | ERROR [ReadStage-2] 2018

Hi all, I have raised a GitHub issue on the same (https://github.com/JanusGraph/janusgraph/issues/1675). Pasting the same below. Janus version- janusgraph-0.3.1 Cassandra - cassandra:3.11.4 When we ru

Hi, Assuming following schema VertexA--edgeAB-->VertexB VertexA--edgeAC-->VertexC VertexC--edgeCB-->VertexB Traversal step 1: start with VertexB, step 2: traverse edgeAB to find connected VertexA, ste

Hello! I came upon some unexpected behavior when running queries with multiple or() steps and string searches on mixed indexes and would like some clarification if this is intended or not. I have a gr

Hi, Few questions related to custom data types (https://docs.janusgraph.org/basics/common-questions/#custom-class-datatype) 1. Is it possible to index on a sub-attribute of a custom data type? If not,

Hi! Running JanusGraph 0.5.3 against BigTable, and ES is used as the Index backend. For a particular traversal I'm seeing the error message below. No clue what this means and where to look for a solut

Hi All, I have created a transaction log in hbase as backend using following code. JanusGraphTransaction tx = graph.buildTransaction().logIdentifier("addedPerson").start(); JanusGraphVertex u = tx.add

Hi All, The objective is to count the number of nodes and edges. Query: g2.inject(1).union(V().has('title', 'A').aggregate('v1').union(outE().has('title', 'E1').aggregate('e').inV().has('title', 'B'),