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Re: Recommendations for bulk delete of edges

Hi Marc, Thanks for this. Yes it is a mixed index with elasticsearch as the backend. I've thought about the poor man's approach and I'm going to give that a try. In fact I can probably query

By ke...@... · #78 ·

Re: Recommendations for bulk delete of edges

Thanks Robert, I will follow the path you have suggested and see what that I can achieve. The problem with the g.V() queries is that it is iterating over all vertices, so it is fast when I first

By ke...@... · #77 ·

Re: Recommendations for bulk delete of edges

Hi Kevin, By an "elasticsearch index" you do mean a mixed index, don't you? Actually, indexing does not help you too much, because your query still hits 1/7 of your edgestore. The way to go here is to

By HadoopMarc <m.c.d...@...> · #76 ·

Re: Recommendations for bulk delete of edges

I'm not sure I would use bothE(). Have you tried just outE()? I would be curious to see if it's querying that's slow or if it's dropping. Try using profile() or using time of count() instead of

By Robert Dale <rob...@...> · #75 ·

Recommendations for bulk delete of edges

Hi, I have been using Titan for a while and have recently moved to Janusgraph. Thanks for revitalising the project! I am using Janusgraph to look at social chat that is generating approximately 7

By ke...@... · #74 ·

Re: Latest supported versions of backends

Hi Jerry, Thanks for your answer. I'll keep in the loop with this one. In the meantime, I'll stick to the old versions. Best, Gabriel.

By Gabriel Campero Durand <gabriel...@...> · #73 ·

Re: Latest supported versions of backends

This is the Issue that tracks it before the first release comes out. https://github.com/JanusGraph/janusgraph/issues/102 Thanks, Jerry

By Jerry He <jerr...@...> · #72 ·

Re: Extract and Store Subgraph - Example

Can you provide more details on what is going wrong? It is a bit hard to debug your situation without any graph data. I tried this... $ ./bin/janusgraph.sh start Forking Cassandra... Running

By Jason Plurad <plu...@...> · #71 ·

Latest supported versions of backends

Hi, I was previously using Titan and now I migrated my code to JanusGraph. I'm still using it with the latest Titan supported versions of the backends (as written here:

By Gabriel Campero Durand <gabriel...@...> · #70 ·

Extract and Store Subgraph - Example

Hi, I'm using Gremlin Server in the JanusGraph package and trying to extract a subgraph. :> sg =

By Ravee <raveendranat...@...> · #69 ·

Re: [Titan, Cassandra] Query performance degrades with network latency between Cassandra nodes

This is a two node cassandra cluster with Netwoktopology strategy. The data ownership is 100% on both the nodes. KEYSPACE my_ks; CREATE KEYSPACE my_ks WITH replication = {'class':

By bdi...@... · #68 ·

Re: Loading Janus DB from a distributed program

Thanks, this worked perfectly. The JanusGraphTransaction object also has a getVertices method which allows me to fetch them by ID. Performance seems pretty good on the small set of data I have, ill

By robk...@... · #67 ·

Re: [Titan, Cassandra] Query performance degrades with network latency between Cassandra nodes

It depends on your replication factor. If you didn't set it explicitly, the default RF=1. As you add nodes and the data gets distributed across the Cassandra nodes, the coordinator may need to connect

By Jason Plurad <plu...@...> · #66 ·

[Titan, Cassandra] Query performance degrades with network latency between Cassandra nodes

We are using Titan and Cassandra and will be moving to JanusGraph in the future. I am are observing that graph query performance degrades with increased latency between Cassandra nodes. We are using

By bdi...@... · #65 ·

Re: Erratic behavior with Cassandra input and SparkGraphComputer OLAP engine

Hi Samik, Thank you too for posting the solution. Marc Op dinsdag 7 maart 2017 04:37:32 UTC+1 schreef Samik R:

By HadoopMarc <m.c.d...@...> · #64 ·

Re: Erratic behavior with Cassandra input and SparkGraphComputer OLAP engine

This was seemingly happening because I was running out of memory on the VM. I am consistently getting results after ensuring enough memory is available. Thanks. -Samik

By Samik Raychaudhuri <sam...@...> · #63 ·

Re: Janus as a triple store

Hi Joel, Posts on the gremlin user group apply to JanusGraph as well. Last thing I read about gremlin-sparql

By HadoopMarc <m.c.d...@...> · #62 ·

Re: Loading Janus DB from a distributed program

Hi Rob, JanusGraph provides indices on properties. So you should be sure that you have an index declared on the property by which you want to identify your vertices. In that case, you can just

By HadoopMarc <m.c.d...@...> · #61 ·

Janus as a triple store

Hi. Is it possible to use Janus as a triple store? Is there any tool/framework that allows performing RDF-like reasoning or SPARQL queries over a Janus graph? Best regards.

By Joel Luís Carbonera <joelca...@...> · #60 ·

Unique composite index with label constraint - issue?

So, evaluating JanusGraph for a project, I ran into this: unique index on a Vertex property with a specific VertexLabel constraint doesn't seem to be respected across transactions? Or I'm just doing

By Ivan Cikic <ivan...@...> · #59 ·

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