Questions tagged [gremlin-server]
Gremlin Server is a component of Apache TinkerPop that allows for the remote execution of Gremlin-based traversals.
gremlin-server
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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 ...
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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
...
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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\...
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Trying to use aws-graphexplorer as a visualizer for local gremlin server does not store boolean values
I was trying to connect graph explorer to gremlin server. I made the changes as per the connections.md docs.
Change gremlin.tinkergraph.vertexIdManager and gremlin.tinkergraph.edgeIdManager in /conf/...
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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 ...
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24
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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
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51
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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 ...
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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 ...
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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 ...
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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 ...
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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('...
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Janusgraph 1.0.0 with cassandra backend : Error No serializers
When trying to setup janusgraph 1.0.0 with CS & ES backend i am getting following error :
13:01:23 ERROR org.apache.tinkerpop.gremlin.server.AbstractChannelizer.configureSerializers - No ...
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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 ...
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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 ...
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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
=====================================================...