All Questions
Tagged with tinkerpop amazon-web-services
16
questions
1
vote
1
answer
32
views
Neptune query behavior during edge creation
Gremlin query submitted to neptune to create edge , behaves differently when source/target vertices are missing.
we are using gremlin query in below format to submit edge creation on amazon neptune.
...
- 11
1
vote
1
answer
124
views
How do I create AWS Neptune nodes with nested proprieties using gremlin queries
I'm looking into a way to create nodes with nested proprieties like the "location" inside this example, that I found on Github here: https://github.com/apache/tinkerpop/blob/master/data/...
- 13
0
votes
1
answer
395
views
Unable to add edge properties in Neptune/Gremlin?
I've been trying to add edges to existing vertices and give them a specific ID and some properties using the Gremlin library in nodeJS (connecting to an AWS Neptune graph)
However, even though it ...
- 11
0
votes
1
answer
316
views
Prevent overlapping edges on AWS Neptune
I have a Tinkerpop graph database on AWS Neptune.
In some cases, I have more than one edge connecting two nodes.
In the screenshot below, there is a node for 'Gary Barlow' and there is a node for 'All ...
- 739
0
votes
1
answer
477
views
Slow insertion using Neptune and Gremlin
I'm having problems with the insertion using gremlin to Neptune.
I am trying to insert many nodes and edges, potentially hundred thousands of nodes and edges, with checking for existence.
Currently, ...
- 56
0
votes
1
answer
267
views
Gremlin slow joinTime on Neptune
I have an issue with a request performance in Neptune. I have a graph like this :
hasId('A_id') (count: 1) -> out('has_group') (count: 12) -> out('has_class').hasLabel('C') (count: 9751) -> ...
- 512
0
votes
1
answer
817
views
Send string gremlin query to Amazon Neptune database using TinkerPop's gremlinpython
We can do the following to create a connection, and then attached the connection to the graph g object, and then use g to mirror gremlin query inline.
from gremlin_python import statics
from ...
- 7,734
0
votes
1
answer
506
views
AWS Neptune Schema Optimization - Billions of nodes and edges
I am creating an AWS Neptune graph that will eventually have billions of nodes and edges. With this kind of data volume, I was wondering if there are some best practices when creating the schema to ...
- 127
2
votes
1
answer
179
views
Guarantees of traversal order in AWS Neptune graph database
I'm working with Gremlin and AWS Neptune graph database.
I was wondering if any query, when it is applied in different times (but the query stays exactly the same), could potentially result in ...
- 21
0
votes
0
answers
120
views
Vertex pattern analysis and matching using Gremlin with Amazon Neptune
I have following analysis data
Problem statement: Find out a session (From Neptune session) that contains least inbetween vertex. As you can see expected output for following example data is [11, 12, ...
- 76
0
votes
1
answer
1k
views
Use gremlin module for Python to add vertex to Amazon Neptune graph database
Synopsis
I am trying to use Python on an Amazon EC2 instance, in the same VPC as an Amazon Neptune instance, to add a vertex (node) to Neptune. Using the example code for Amazon Neptune, I constructed ...
user189198
2
votes
1
answer
2k
views
Gremlin Query to count Edges - MemoryLimitExceededException AWS Neptune
Gremlin Query on Neptune to count no of edges for vertexes with certain label results in MemoryLimitExceededException. Error only occurs a few times i.e. if i run query 10 times, succeeds twice.
...
- 10.1k
3
votes
1
answer
1k
views
Is there a way to store more information on the Edges of Amazon Neptune Graph?
I am doing a small POC project where I want to represent the road network of a village using Amazon's Neptune Graph.
I have intersections that I intend to use as Vertex in this graph, and streets as ...
2
votes
1
answer
772
views
Most optimal Neptune query for getting all related vertices with the shortest distances
I need to get all related vertices with shortest distances to the given vertex, which distances does not exceed some maximum distance value.
I came up with the following query for maximum distance of ...
- 333
1
vote
1
answer
439
views
Most optimal gremlin query for getting all related vertices
I need to get all the vertices related by any number of relationships to the starting vertex. I have a working query, but it starts to slow significantly after a few hundred edges and the complexity ...
- 180