All Questions
101
questions
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
18
views
Properties detail are missing from VertexLabel using JanusGraphManagement API
I am using janugraph 1.0.0 and using cassandra as backend storage.This is configuration file with cassandra details, janusgraph-cql/.properties
cassandra config
Now using gremlin console, I have ...
0
votes
0
answers
91
views
JanusGraph fails to create connection with multi-node Cassandra cluster
I have a multi-node Cassandra cluster version 4.1.3 with 3 nodes. I have changed the following properties in their cassandra.yaml file.
cluster_name: 'cassandra_cluster'
listen_address: <node_IP>...
- 125
1
vote
1
answer
63
views
Can we update the primary key of a vertex in gremlin graph?
I have a requirement where I need to update the primary key of a vertex in gremlin graph. I have a 'policy' vertex and 'policy_number' is the primarykey of the vertex. Existing policy number value is '...
- 11
1
vote
1
answer
172
views
How to create, register and enable an index in Janusgraph?
I want to create an index to find a vertex by label and a property value.
I saw from documentation that i have to Install->Register->Enable the index, but somehow i can't get it to be Register ...
- 8,627
2
votes
2
answers
76
views
Janusgraph replication-factor not propogated to cassandra
My janusgraph setup has replication-factor of 1 which I want to change to 3.
I tried to change the replication-factor with Management API of janusgraph using
mgmt.set("storage.cassandra....
- 21
1
vote
0
answers
92
views
Reading TinkerPop library generated files using Spark
Is there a direct way of reading tinkerpop format org.apache.tinkerpop.gremlin.hadoop.structure.io.ObjectWritable files using spark.
Spark version: 3.*
- 91
2
votes
0
answers
112
views
Gremlin text search or indexing on the subgraph
I am trying to develop the solution for file sharing/permissions using graph database.
The challange I faced with is how to implement full-text search for certain fields like name, extension, date, ...
- 127
2
votes
1
answer
221
views
ConfiguredGraphFactory.open() on JanusGraph returned Cassandra DriverTimeoutException
I am new to Janusgraph. We have janusgraph setup with cassandra as backend.
We are using ConfiguredGraphFactory to dynamically create graphs at runtime. But when trying to open the created graph using ...
- 31
0
votes
0
answers
100
views
Why unique constraints delete the existing data in Janusgraph used with cassandra?
I have added unique constraints to my databases as said in the documentation.
Lets say I have run the following
g.V().has('name',"myname")
I received the vertex id.
But When I again add a ...
- 748
1
vote
2
answers
124
views
How to minimise time for any operation in janusgraph using gremlin?
For any query, it is taking more than five minutes to give result.
I am running simple query like as following
g.V().hasLabel("Label").has("pProperty","vValue").next()
...
- 748
1
vote
1
answer
205
views
How to change property key in gremlin with graph engine as Janusgraph and storage backend as cassandra?
I am using cassandra 4.0 with Janusgraph 6.0, I have n nodes with Label as "januslabel" and property as "janusproperty", I want to change property name to "myproperty", I ...
- 748
3
votes
1
answer
267
views
OperationTimedOutException in gremlin and janusgraph while connecting it with scylla running in docker-container
I tried to implement scylla with janusgraph, but received operation timeout exception.
I also tried to implement cassandra with janusgraph and run successfully.
I am running scylladb in docker-...
- 748
2
votes
1
answer
871
views
Unable to setup Simple Authentication on Gremlin
We are trying to enable a simple authentication and add user on Gremlin Server using JanusGraphSimpleAuthenticator and HttpBasicAuthenticationHandler and credentials stored in Cassandra keyspace.
...
- 187
2
votes
1
answer
788
views
How to see the stored data of Cassandra db for janusgraph database by cqlsh
I am new to janusgraph as well as to janusgraph. Now I am able to connect janusgraph with cassandra as backend storage and solr and index storage Currently I am starting gremlin server by the command -...
- 63