All Questions
Tagged with janusgraph java-17
16
questions
0
votes
1
answer
66
views
Cannot SchemaAction.DROP_INDEX() Of JanusGraph-Index With SchemaStatus.DISCARDED
Problem
Why is JanusGraph not dropping a discarded index?
I'm performance-evaluating graph-databases as of their latest releases that meet our needs.
I need to drop to remake the index for JMH testing:...
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0
votes
2
answers
92
views
Building JanusGraph Indexes On Cassandra In Java
Problem
What are the next steps to complete JanusGraph indices?
I've already tried following line-by-line of the JanusGraph docs;
And tried using closer to source commits janusGraph instead of ...
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1
vote
0
answers
163
views
Why Is JanusGraph Or Cassandra Getting A Locking Error?
Problem
How do you fix this cascading level of errors when performing sets of drop().iterate() iterations?
[WARN] [o.j.d.l.c.ConsistentKeyLocker.main] :: Lock write succeeded but took too long: ...
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0
votes
0
answers
122
views
Why Is JanusGraph Throwing So Many TemporaryLockingException?
Problem
How do I release (old) JanusGraph KeyColumn locks?
2023-05-11 12:52:47,609 [INFO] [o.j.d.u.BackendOperation.main] :: Temporary exception during backend operation [CacheMutation]. Attempting ...
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0
votes
1
answer
70
views
Why Does Limit-OF-1 Not Record-Drop 1 Vertex?
In JanusGraph-Java, how can you limit dropping vertex records?
Here's what the logs show:
drop().iterate() does work for a small number
limit(1).drop() does nothing
drop().limit(1) does nothing
drop()...
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0
votes
1
answer
118
views
Why Is JanusGraph Finding Expired KeyColumn Claims?
Problem
What is causing JanusGraph to throw-out so many of this warnings going into full-blown retries?
JanusGraph seems to find supposedly dropped vertexes, which is fine if there's a delay;
I just ...
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0
votes
1
answer
99
views
Why Is JanusGraph's Iterate-Drop Not Dropping?
Why is JanusGraph saying its dropping all the Vertexes when its looking like its really not?
logger.info("g.V().count().next():\t" + g.V().count().next());
g.V().drop()....
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0
votes
2
answers
134
views
Is There A Better Way To Delete Vertexes In JanusGraph?
Is there a way to just drop() all of the Vertexes in JanusGraph like OrientDB?
g.V().drop().iterate() takes about 2 minutes to traverse through 70005 basic vertices.
JanusGraph's JanusGraph (interface)...
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0
votes
1
answer
40
views
Do JanusGraph Cassandra Indexes Need To Be Reindexed?
Do JanusGraph indices need to be reindexed after loading in more data?
I know this is a newbie question, but I am a newbie with on this subject.
From my understanding right now, OrientDB and Neo4j ...
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1
vote
1
answer
100
views
Where Are JanusGraph's Vertexes In Cassandra?
Where does Apache Cassandra put its JanusGraph Vertexes?
When I look for them I can't find them. I've tried using cqlsh but I'm new to CQL (Cassandra Query Language) and Cassandra in-general. So ...
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1
vote
1
answer
84
views
JanusGraph-PropertyKey Is Not A User-Defined-Key
Problem
Why is JanusGraph throwing-up a User-Defined-Key problem when I'm just trying to make an index?
Logs
2023-05-08 12:40:25,640 [INFO] [c.d.o.d.i.c.ContactPoints.main] :: Contact point ...
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0
votes
0
answers
111
views
Why Does Traversal Source g Stop Working?
Problem
Why does their example problem stop working after a day-or-two?
Deleting and recreating the JanusGraph-Docker-container fixes the problem.
Nothing has been changed since this execution was ...
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0
votes
1
answer
107
views
Why Do Vertexes Not Drop With g.V().drop()?
Problem
How do you cleanup Vertexes (and Edges) with GraphTraversalSource g?
I don't understand why g.V().drop() doesn't work with traversal().withRemote()
When I have this working fine with ...
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2
votes
1
answer
360
views
How To Setup JanusGraph Cassandra On Docker
Problem
With Docker containers, how do setup Apache Cassandra to work with Docker?
I need to setup an external JanusGraph to handle tens of millions of records.
I'm new to Cassandra, JanusGraph, and ...
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0
votes
1
answer
310
views
Connect to External JanusGraph Server With JanusGraphFactory
Problem
How do you connect to an external JanusGraph Server with JanusGraphFactory?
I don't know what I'm doing and new to JanusGraph and Graph-Databases in-general.
What is the JanusGraph > ...
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