Hi, I have used https://github.com/IBM/expressive-reasoning-graph-store project to import the turtle file having around 4 Lakhs of concepts ad this project is using Janusgraph 0.4.0. Now after

Hi Vinayak, JanusGraph has defined hadoop InputFormats for its storage backends to do OLAP queries, see https://docs.janusgraph.org/advanced-topics/hadoop/ However, these InputFormats have several

The path of the BulkLoaderVertexProgram might be doable, but I cannot help you on that one. In the stack trace above, the yarn appmaster from spark-yarn apparently tries to communicate with HBase but

I mean, what happens if you try to run MapReduceIndexManagement on BigTable. Apparently, you get this error message "MapReduceIndexManagement is not supported for BigTable" but I would like to see the

Hi All, I am working on OLAP using Spark and Hadoop. I have a couple of questions. 1. How to execute a filter step on the driver and create an RDD of internal ids? 2. Distributing the collected Ids to

Thanks Nicolas, I am able to reproduce it using your configs & script. Created an issue at https://github.com/JanusGraph/janusgraph/issues/2369 Looks like a bug with calculating cache entries' size.

Thank you for response! I am using BulkLoaderVertexProgram from console. Sometimes it works correctly. This error still exist when i am running read from hbase spark job. my

Thanks a lot for your reply. I don't get any error message. The REINDEX step is very slow (2000/s) for the mixed index and fails after running for a few days. Everytime indexing fails or the cluster

#Private reply from OP: Yes, i am running bulk load from hdfs(graphson) in janusgraph-hbase. Yes, i have graphson part files from spark job with a structure like grateful-dead.json example. But if

Thanks for reposting your issue on the janusgraph-users list! Can you please show the entire stack trace leading to your error message? Note that your issue might be related

we have imported around 4 billion vertices in janus graph. We are using big table and elastic search reindexing speed is very slow..around 2000 records per second is there any way to speed it

Hi OK, do I understand right that you want to bulk load data from hdfs into janusgraph-hbase? Nothing wrong with that requirement, I do not know how to ask this in a more friendly way! Is your input

Hi! I have this configuration janusgraph: 0.5.2 spark 2.4.0 hbase 2.1.5 hadoop 2.7.7 I have 3 nodes hadoop on my cluster. I am set up janusgraph with hadoop infrastructure and run load data and read

Hi Boxuan, Issue seems to occurs when edge properties are retrieved: cache has expected size with g.V().outE().id() an not when I do g.V().outE().valueMap(); I am able to reproduce with following

Hi Vinayak, JanusGraph itself has spark as a dependency and the spark versions of the spark jars in the janusgraph/lib folder and of your spark cluster must match. Best wishes, Marc

---------- Forwarded message --------- From: Vinayak Bali <vinayakbali16@...> Date: Wed, 13 Jan 2021, 7:42 pm Subject: Hadoop and Spark not working with Janusgraph To:

On behalf of the JanusGraph Technical Steering Committee, we are excited to join LF AI & Data Foundation! We are now moving mailing lists to a new home under LF AI & Data. Mailing lists hosted on

Hi, Unfortunately, the janusgraph ref docs do not have full documentation for using scylladb, but in order to use scylladb you have to make sure the janusgraph configs are similar to the

Raised it in https://github.com/JanusGraph/janusgraph/issues/2351

When I replaced Cassandra with ScyllaDB it stopped working. Could it be that ScyllaDB is not compatible with either JanusGraph or Elasticsearch?