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New committer: Florian Grieskamp
On behalf of the JanusGraph Technical Steering Committee (TSC), I'm pleased to welcome a new committer on the project! Florian Grieskamp has been a solid contributor. He already contributed many perfo
On behalf of the JanusGraph Technical Steering Committee (TSC), I'm pleased to welcome a new committer on the project! Florian Grieskamp has been a solid contributor. He already contributed many perfo
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By
"alex...@gmail.com"
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Managed memory leak detected in Spark Olap query
3 messages
Hi everyone, I am using Janusgraph version 5.2 with cassandra backend. When using graph = GraphFactory.open(Resources.getResource("read-cql.properties").getFile()); g = inputGraph.traversal().withComp
Hi everyone, I am using Janusgraph version 5.2 with cassandra backend. When using graph = GraphFactory.open(Resources.getResource("read-cql.properties").getFile()); g = inputGraph.traversal().withComp
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By
Lilly
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periodic cleaning of graph
Hello there, The documentation here mentions that we need to clean the graph regularly. I do run into various issues once I have some amount of data in the graph, and it looks like this advice needs t
Hello there, The documentation here mentions that we need to clean the graph regularly. I do run into various issues once I have some amount of data in the graph, and it looks like this advice needs t
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Shankar P
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Encounter error when run OLAP with Spark Yarn
6 messages
Hello everyone! I am trying to use spark yarn mode on janusgraph but I encounter several errors and I thought it may cause by inappropriate jar configuration. Error:”java.lang.IllegalAccessError: org/
Hello everyone! I am trying to use spark yarn mode on janusgraph but I encounter several errors and I thought it may cause by inappropriate jar configuration. Error:”java.lang.IllegalAccessError: org/
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By
"sa...@gmail.com"
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Write to gryo
5 messages
Hi everyone, I am using Java and trying to write a Tinkergraph to Gryo format. To do so I tried: g.io("file.kryo").write().iterate() As suggested in the tinkerpop documentation. However, this results
Hi everyone, I am using Java and trying to write a Tinkergraph to Gryo format. To do so I tried: g.io("file.kryo").write().iterate() As suggested in the tinkerpop documentation. However, this results
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By
Lilly
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Use of ModifierType fails if TypeDefinitionCategory is not loaded before
5 messages
Hi, When I try to set consistency of a property key (using JanusGraphManagement.setConsistency in a java project) I get a NPE if I don't refer the class TypeDefinitionCategory before. The method setCo
Hi, When I try to set consistency of a property key (using JanusGraphManagement.setConsistency in a java project) I get a NPE if I don't refer the class TypeDefinitionCategory before. The method setCo
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Thomas Franco
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JanusGraph Spark read edges
6 messages
Hi Rafi, I agree that this takes far too long and should rather happen in 10 seconds or (most of it spent on class loading.). I would investigate further what really happens. Look in the spark web UI
Hi Rafi, I agree that this takes far too long and should rather happen in 10 seconds or (most of it spent on class loading.). I would investigate further what really happens. Look in the spark web UI
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By
HadoopMarc
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Error While creating "Global Traversal Graph variable" on OLAP Properties graph
4 messages
Hi Team, I am able to perform the OLAP operation on graph with Hbase storage backend. But when i tried to create a Global Graph Variable on top of the graph then only getting below error. Error: Cause
Hi Team, I am able to perform the OLAP operation on graph with Hbase storage backend. But when i tried to create a Global Graph Variable on top of the graph then only getting below error. Error: Cause
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By
Anshul Sharma
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Index corruption after reindexing vertex-centric indices with direction 'BOTH'
3 messages
I have noticed a corruption in index after reindexing vertex-centric indices with direction 'BOTH'. Issue : A self-link is getting added to every vertex after reindexing. To demonstrate this, I have t
I have noticed a corruption in index after reindexing vertex-centric indices with direction 'BOTH'. Issue : A self-link is getting added to every vertex after reindexing. To demonstrate this, I have t
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By
Shiva Krishnan
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"within" step combined with "or" step throws errors
4 messages
We have a schema with a property of type "Long", when we try to execute simple Gremlin query in the console g.V().or(__.has("prop",P.within(2L)),__.has("prop",P.within(1L))) We get the error: Value [[
We have a schema with a property of type "Long", when we try to execute simple Gremlin query in the console g.V().or(__.has("prop",P.within(2L)),__.has("prop",P.within(1L))) We get the error: Value [[
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By
Sergey Volkov
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Potential thread leakage in JanusGraphTransaction?
Hi, I'm using Elasticsearch and HBase as backend of JanusGraph and I write a multithread import tool. When using multithread mode, the program hit the ulimit of process easily. Then I check the thread
Hi, I'm using Elasticsearch and HBase as backend of JanusGraph and I write a multithread import tool. When using multithread mode, the program hit the ulimit of process easily. Then I check the thread
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By
L TY
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Edge id is different between gremlin console and vertex program
7 messages
Hi, I'm using jansugraph with Cassandra + ES combination and doing data ingestion with OLAP mode using the vertex program. Edge id which I'm getting from gremlin console is different from value coming
Hi, I'm using jansugraph with Cassandra + ES combination and doing data ingestion with OLAP mode using the vertex program. Edge id which I'm getting from gremlin console is different from value coming
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By
Saloni Agarwal
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Create a keyspace with additional parameters
5 messages
Good day! 1) I use JanusGraph in conjunction with ScyllaDB. I am planning to use ScyllaDB in a clustered version. For this I need to not just create a keyspace: storage.cql.keyspace=janusgraph And cre
Good day! 1) I use JanusGraph in conjunction with ScyllaDB. I am planning to use ScyllaDB in a clustered version. For this I need to not just create a keyspace: storage.cql.keyspace=janusgraph And cre
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By
Андрей Лакшман
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Serious Issue on traversal with query-batch=true
5 messages
Hi all, I think I found a bug on Janusgraph 0.5.2. I attach here the discussion on stack overflow with Stephen Mallette. Discussion on Stack Overflow Basically, during the upgrade from Janusgraph from
Hi all, I think I found a bug on Janusgraph 0.5.2. I attach here the discussion on stack overflow with Stephen Mallette. Discussion on Stack Overflow Basically, during the upgrade from Janusgraph from
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By
marchi...@...
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Can someone help us to know how to explore janusgraph database functions ?
3 messages
Can someone help us to know how to explore janusgraph database functions used in Gremlin language and also best approach to start using and understanding janusgraph ( to create own graph data having v
Can someone help us to know how to explore janusgraph database functions used in Gremlin language and also best approach to start using and understanding janusgraph ( to create own graph data having v
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By
DRAY
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Javadoc broken?
2 messages
Hi JG team, While trying to answer a question on this list I hit upon the following page in the javadoc: https://javadoc.io/doc/org.janusgraph/janusgraph-core/latest/org/janusgraph/graphdb/relations/R
Hi JG team, While trying to answer a question on this list I hit upon the following page in the javadoc: https://javadoc.io/doc/org.janusgraph/janusgraph-core/latest/org/janusgraph/graphdb/relations/R
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By
HadoopMarc
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To fetch size of each vertex
Hi Everyone, I am using janus graph backed by hbase. I need to get the size of properties and edges of each vertex. is there a query for this.
Hi Everyone, I am using janus graph backed by hbase. I need to get the size of properties and edges of each vertex. is there a query for this.
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By
Priyanka Jindal
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Help Understanding JanusGraphException: Could not commit transaction due to exception during persistence
3 messages
Hi all, I was trying to load a quite large graph (DBpedia) and got the following error: ``` org.janusgraph.core.JanusGraphException: Could not commit transaction due to exception during persistence ``
Hi all, I was trying to load a quite large graph (DBpedia) and got the following error: ``` org.janusgraph.core.JanusGraphException: Could not commit transaction due to exception during persistence ``
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By
Matteo Lissandrini
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Adding this property for key [~T$SchemaName] and value [...] violates a uniqueness constraint
9 messages
Hello, I'm having this error thrown at me during loading of a large graph (dbpedia) and I cannot understand what is it complaining about. Can you help me? Thanks, Matteo
Hello, I'm having this error thrown at me during loading of a large graph (dbpedia) and I cannot understand what is it complaining about. Can you help me? Thanks, Matteo
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By
Matteo Lissandrini
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Understand your graph data without a line of Cypher
See and understand your data in Graph UI, a web-based UI that connects to your existing graph database! We support Neo4j, Azure Cosmos, Amazon Neptune, and many more. After you've connected, you can s
See and understand your data in Graph UI, a web-based UI that connects to your existing graph database! We support Neo4j, Azure Cosmos, Amazon Neptune, and many more. After you've connected, you can s
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By
Olga Chernenok
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