We have been using a yarn cluster to run MapReduce reindexing (Cassandra + Elasticsearch) for a long time. Recently, we introduced Kerberos-based authentication to the Elasticsearch cluster, meaning t

Hello, Thanks to all who attended the meetup yesterday. If you weren't able to make it, you can find the recording at: https://www.experoinc.com/online-seminar/janusgraph-community-meetup. Thanks to o

Hi All, g.inject(1).union(V().has('property1', 'vertex1').as('v1').union(outE().has('property1', 'edge1').as('e').inV().has('property1', 'vertex1'),outE().has('property1', 'edge2').as('e').inV().has('

Hi Ted, Thanks for organizing this! Do you have plans to record & release the video after the meetup? 10:30 ET is a bit late for some regions in APAC, so it would be great if there would be a video re

Hi All, I am using connected component vertex program to find all the connected nodes in graph and then using that RDD for further processing in graph. I want to store that RDD at some output location

Hello, We will be hosting a community meetup next week on Tuesday, May 18th at 9:30 central/10:30 eastern. We have a great set of speakers who will be discussing all things JanusGraph OLAP: * Hadoop M

Hello, I encounter the error describe in the issue #1916 (https://github.com/JanusGraph/janusgraph/issues/1916) on a mixed index (lucene). When I list property keys of the index, they are all duplicat

Hi All, I would like to understand the possibility of horizontal scaling of janusgraph servers while keeping the cache enabled. Based on the janusgraph document - https://docs.janusgraph.org/basics/ca

Hi, I am getting the following error when running queries using spark graph computer from java. Caused by: java.lang.RuntimeException: java.lang.IllegalArgumentException: Edge with id already exists:

Hi everyone, I downloaded a fresh spark binary relaese (spark-2.4.0-hadoop2.7) and set the master to spark://127.0.0.1:7077. I then started all services via $SPARK_HOME/sbin/start-all.sh. I checked th

Hi everyone, We are working on a project that we would like to use JanusGraph. Our system will consist of 100MM nodes and 1B edges between those nodes. We are going to work with last 90 days data.Syst

Hi, what is the recommended approach for backing up the Janusgraph storage layer (ScyllaDB in my case) together with a mixed index backend (Elasticsearch)? I know I can back up & restore them separate

I am trying to use configured graph factory. i made changes to gremlin-server.yaml and configuration-management.properties. I am getting the following error. gremlin> :remote connect tinkerpop.server

Hello! I am currently working on a project that computes a 2 hop query for several million vertices. In order to speed up these queries I would like to utilize caching but I am having some trouble fin

Hi All, I'm trying to run index repair job through mapreduce in a Kerberos+SSL enabled cluster. I have added all required hbase and hadoop configurations but getting the below exception in mapreduce l

Hello everyone, is there anyone with experience of running OLAP on an AWS EMR cluster? I am currently trying to do so, but strange things are happening. The first one is that the application is not ru

Janusgraph setup: Storage backend: Scylla 3 Indexing backend: Elasticsearch 6 JG version: 0.5.3 Steps to reproduce: 1) Create a vertex with two fields mapped in ES index as TEXTSTRING("x" and "y") 2)

Hi All, I need to select multiple nodes and edges and display the content in v1 - e - v2 format. The query generated is as follows: g.V().union(has('title', 'V1').as('v1').outE().hasLabel('E1').as('e'

I have a pull request which contains commits which have not been properly signed. I have tried to squash the commits and have made things worse. Here is a link to the pull request. https://github.com/

Hi, We are using Janusgraph (0.5.2) with Scylladb as backend. So far we are only using OLTP capabilities but would now like to also do some more advanced batch processing to create shortcut edges, for