All Questions
Tagged with gremlin gremlin-server
412
questions
1
vote
2
answers
43
views
Gremlingo stuck while evaluting g.V().hasNext()
I have a piece of code where i evaluate to drop vertices but only if a pre-fetch of
g.V().<filters>.hasNext() returns true.
Problem is on my subsequent call to fetch the nodes themselves it is ...
- 109
0
votes
2
answers
51
views
Gremlin Console - Connecting to Amazon Neptune with Sig4 signing
I need to connect to Amazon Neptune using Gremlim console.
Tried all steps for setup and signing configuration but following error occurs when connecting to Neptune.
Steps performed:
Install JDK
...
- 619
1
vote
1
answer
46
views
Why can vertices be added to JanusGraph, but adding attributes to that vertex throws a SerializationException?
Steps to Reproduce:
Start JanusGraph server using default configuration.（open janusgraph-full-1.0.0\bin\gremlin.bat）
Connect to the server using the Gremlin Console.（open janusgraph-full-1.0.0\bin\...
- 71
1
vote
1
answer
31
views
How to identify the configured keyspace using JanusGraph APIs?
While going through https://docs.janusgraph.org/v0.5/basics/configuration-reference/ , I found that for key storage.cassandra.keyspace,
The name of JanusGraph's keyspace. It will be created if it ...
- 103
0
votes
0
answers
24
views
Gremlin dynamic update
I have graph I
want to calculating and updating degrees using gremlin on a big graph db with 10M nodes, what is the best way to do it I wasn't able to this in one query
- 537
0
votes
1
answer
51
views
Gremlin Query Returns Different Structures Based on Page Size: Array vs Single Map
I'm working with Gremlin queries and encountering an unexpected behavior based on the page size specified. When I set the page size to more than one, the query returns an array of group maps under the ...
0
votes
0
answers
19
views
java.lang.InterruptedException with Tinkerpop 3.7.1
So I have a multithreaded Java service which is reading events off a queue and writing the objects to a Tinkerpop graph instance. It can crank along for quite sometime, but will eventually die with ...
- 471
1
vote
0
answers
52
views
gremlin python open janusgraph database using submit()
I was trying to switch to different database on runtime in gremlin_python. To do this, I used JanusGraphFactory.open() to open different configuration. Because gremlin_python does not have ...
- 11
1
vote
1
answer
78
views
I am creating client application in java using tinkerpop for gremlin but i am unable to query through my application. JanusGraph and Gremlin server
I am trying to build client application in java for gremlin. My janusgraph server is running on one more virtual machine in the same network. Through my gremlin client code i am able to establish ...
0
votes
0
answers
80
views
High memory consumption on Gremlin query (using Neptune)
I running out of "freeable memory" on my Neptune cluster when running this query multiple times:
g.V().
has('User', 'uuid', 'c4746c15-4f8e-42a4-97d3-8e2d25de2dc0').
repeat(__.both('...
- 1,243
0
votes
1
answer
224
views
How to do "constant([:])" in gremlin-go
I previously received helpful guidance from Kelvin in a Stack Overflow post (linked here: Gremin mergeV() Upsert: knowing whether the vertex was added or not(side-effect free)) regarding the ...
0
votes
0
answers
75
views
Gremlin python next() not working similar to next in Gremlin Console
In gremlin python I'm not able to find a way to iterate through without loading everything at once in the memory.
for eg.In gremlin python ->
g.V().next()
Will iterate all the vertices in the ...
0
votes
1
answer
39
views
janusgraph-full-1.0.0-rc1 : logs shows muiltiple Gauges message, want to know why those are coming and how it can be avoided if unnecessary
I see multiple messages of Gauges coming in my JanusGraph logs, so want to check uses of these and how can I stop those.
> 11/28/23, 5:38:11 AM
=====================================================...
- 187
0
votes
1
answer
61
views
Gremlin Query to fetch all objects till specified level along with sibling nodes
I have a Gremlin hierarchy of nodes which are referenced (Refer below pic). How can I retrieve all nodes, including their sibling nodes, at a specific provided level from root node ?
For instance,
...
- 1,139
0
votes
1
answer
148
views
AWS Neptune recommendation to make response faster
I recently had to use AWS Neptune in an authorization service to model a dataset that has intrincate relations between entities, most of them are many to many relations. This is the model I came up ...
- 135