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JanusGraph project at The Linux Foundation
Today, The Linux Foundation announced the creation of the JanusGraph project. We're excited to push forward the open source, collaborative effort on scalable graph databases that was initiated by the
Today, The Linux Foundation announced the creation of the JanusGraph project. We're excited to push forward the open source, collaborative effort on scalable graph databases that was initiated by the
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By
Jason Plurad
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Low-hanging fruit for JanusGraph
6 messages
Hi all, extremely excited that JanusGraph is out into the world! I have been working with Titan since 0.4.x and have been hoping for a long time to see new maintainers so that bug reports, pull reques
Hi all, extremely excited that JanusGraph is out into the world! I have been working with Titan since 0.4.x and have been hoping for a long time to see new maintainers so that bug reports, pull reques
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Austin Sharp
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JanusGraph seems to insist on Elastic Search
6 messages
Since I did want to use an index since performance is not of essence at the current time and I did not want to use either Elastic Search or SOLR, I used the following in Gremlin: graph = JanusGraphFac
Since I did want to use an index since performance is not of essence at the current time and I did not want to use either Elastic Search or SOLR, I used the following in Gremlin: graph = JanusGraphFac
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By
rohit.j...@...
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Query Execution
2 messages
Hi, I was wondering if the execution of a single query/traversal is on a single node or is the execution distributed across nodes ? I understand that the storage is distributed across many machines wi
Hi, I was wondering if the execution of a single query/traversal is on a single node or is the execution distributed across nodes ? I understand that the storage is distributed across many machines wi
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By
karthi...@...
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partition methods on JanusGraph
3 messages
hi, folks, first, very glad to see someone picking up Titan.... I am new in this area and looking for a couple pointers. Does JanusGraph(titan) reply on the datastore(such as HBase) for data partition
hi, folks, first, very glad to see someone picking up Titan.... I am new in this area and looking for a couple pointers. Does JanusGraph(titan) reply on the datastore(such as HBase) for data partition
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By
Demai
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Janusgraph SDK support
Does Janusgraph support OpenJDK instead of Oracle? Thansk. Thanks JP
Does Janusgraph support OpenJDK instead of Oracle? Thansk. Thanks JP
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By
Juan Pablo Gomez Espinosa
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Janusgraph SDK support
Hi JP, OpenJDK will work fine. --Ted
Hi JP, OpenJDK will work fine. --Ted
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By
Ted Wilmes
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Scalability issue with current titan(0.5.4) version and upgrade version to (1.0.0)
Hi, Currently, I am using titan graph0.5.4 for making the social graph out of user activities like (user1-->follows-->user2, user1-->likes-->object2 etc.). Earlier when I started using it, a number of
Hi, Currently, I am using titan graph0.5.4 for making the social graph out of user activities like (user1-->follows-->user2, user1-->likes-->object2 etc.). Earlier when I started using it, a number of
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By
ankit tyagi
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Scalability issue with titan (0.5.4) and upgrade version from 0.5.4 to 1.0.0
2 messages
Hi, Currently, I am using titan graph0.5.4 for making the social graph out of user activities like (user1-->follows-->user2, user1-->likes-->object2 etc.). Earlier when I started using it, a number of
Hi, Currently, I am using titan graph0.5.4 for making the social graph out of user activities like (user1-->follows-->user2, user1-->likes-->object2 etc.). Earlier when I started using it, a number of
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By
ankit tyagi
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subscribe
4 messages
By
Phil Young
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Wrapper Class Support
2 messages
Is it possible to add support for Arrays of wrapper classes such as Integer in JanusGraph? Exception in thread "main" java.lang.IllegalArgumentException: Property value [[Ljava.lang.Integer;@1583741e]
Is it possible to add support for Arrays of wrapper classes such as Integer in JanusGraph? Exception in thread "main" java.lang.IllegalArgumentException: Property value [[Ljava.lang.Integer;@1583741e]
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By
Barry Hill
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Build and first use.
Hi, I was able to build JanusGraph after cloning the Git repo. I included the janusgraph-core and janusgraph-cassandra jar files in my project. Additionally, I had to specify the following dependencie
Hi, I was able to build JanusGraph after cloning the Git repo. I included the janusgraph-core and janusgraph-cassandra jar files in my project. Additionally, I had to specify the following dependencie
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By
Manoj Waikar
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JanusGraph versus Google Cayley
Dear Community, Apologies if this is evident or has been thoroughly detailed elsewhere. - What are the main differences (with respect to target audiences, technical details and graph functionalities)
Dear Community, Apologies if this is evident or has been thoroughly detailed elsewhere. - What are the main differences (with respect to target audiences, technical details and graph functionalities)
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By
Miguel Coimbra
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Cross instance communication in graphs with custom partitioning
Hi, The JanusGraph documentation suggests that using custom partitioning schemes can reduce cross-instance communication by placing vertices that are frequently traversed together in the same instance
Hi, The JanusGraph documentation suggests that using custom partitioning schemes can reduce cross-instance communication by placing vertices that are frequently traversed together in the same instance
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By
Alain Rodriguez
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JanusGraph server vs. embedded mode.
3 messages
Hi, What is the recommended approach of working with JanusGraph? Should one - (a) Setup Gremlin (JanusGraph) server and submit Gremlin queries to the server? Or, (b) Embed JanusGraph inside the applic
Hi, What is the recommended approach of working with JanusGraph? Should one - (a) Setup Gremlin (JanusGraph) server and submit Gremlin queries to the server? Or, (b) Embed JanusGraph inside the applic
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By
Manoj Waikar
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JanusGraph build and OS compatibility.
3 messages
Hi, I have a few questions about JanusGraph - 1) The maven task for creating a build, fails on Windows. So, can we build JanusGraph only on Mac / Linux? 2) The build created on Mac / Linux does not wo
Hi, I have a few questions about JanusGraph - 1) The maven task for creating a build, fails on Windows. So, can we build JanusGraph only on Mac / Linux? 2) The build created on Mac / Linux does not wo
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By
Manoj Waikar
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Janus as a triple store
2 messages
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.
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.
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By
Joel Luís Carbonera
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Erratic behavior with Cassandra input and SparkGraphComputer OLAP engine
4 messages
Hi, I am testing out SparkGraphComputer for OLAP queries, directly reading data from a JG-Cassandra-ES instance. Everything is running on a single VM, and I have built JG on the box but cloning the re
Hi, I am testing out SparkGraphComputer for OLAP queries, directly reading data from a JG-Cassandra-ES instance. Everything is running on a single VM, and I have built JG on the box but cloning the re
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By
Samik R
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Loading Janus DB from a distributed program
3 messages
I'm trying to write a Janus DB loader for my distributed application. I have "sub-graphs" which I can successfully load independently, per machine in my cluster. I do this by using graph.addVertex and
I'm trying to write a Janus DB loader for my distributed application. I have "sub-graphs" which I can successfully load independently, per machine in my cluster. I do this by using graph.addVertex and
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By
robk...@...
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[Titan, Cassandra] Query performance degrades with network latency between Cassandra nodes
3 messages
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 R
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 R
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By
bdi...@...
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