Introducing Neo4j Workspace We’re inviting you to check out Neo4j Workspace. Workspace combines our most powerful graph tools (Data Importer, Bloom, and Browser) all in one place to help you get up and running with graph databases faster. For experie...
The Neo4j Graph Platform includes the core database and all the technologies surrounding the database, making it useful and accessible for a lot of different users. When asking a question, please select a descriptive label that best matches your quer...
Hello, We have a cluster with 3 core nodes and 2 read_replica, in one of these read_replicas we have a lot of messages like: WARN [c.n.c.d.SslHazelcastCoreTopologyService] Missing attribute read-replica-transaction-servers for read replica with hz id...
I already have a running neo4j 3.5.5 running in a virtual machine (Ubuntu) which is under a trial version. The end date is nearing but I have got the license key, not sure about the process of adding this license key to already installed neo4j in a l...
Hello, I am just beginning to learn Cypher on Neo4j Desktop. If I have a data set that looks like this: year subject num_students 2014 python 24 2014 java 29 2014 c# 12 2015 python 34 2105 java 31 2015 c# 23 2015...
Hey awesome people! I'm trying to use Neo4j on Google Cloud platform preferably launching a GKE cluster from the marketplace. Which I can do successfully but I'm confused when it comes to connecting my external application to Neo4j cluster. I've read...
Hi there, I'm having a couple of nodes each with a path poperty representing a file path: /foo/File1.java /foo/bar/File2.java /foo/bar/File3.java I'd like to convert this into a tree structure consisting of nodes/relationships, i.e. (foo)-[:CONTAINS...
Hello neo4j folks, I have bundled an embedded neo4j database in my OSGi server and ran successfully the database with cypher query module but still failed at using the bolt connector. My OSGi setting is as follow : I embedd neo4j in an api bundle and...
If the first MATCH doesn't found anything. The second MATCH doesn't work (but node exist in DB) How could it be fixed? Example MATCH(h1:Human)-[r]->(d:DOG{name:"rome"}) WITH DISTINCT h1 MATCH(h2:Human{name:"Tom"}) RETURN h2
Hi, Q1: May I know cypher query to find the nodes having minimum 2 edges, either 2 In minimum, or 1 in and 1 out minimum? based on Degree, I did that, i.e having deg > 2, but without running degree algorithm Thanks
I have set up Neo4j 3.5.11 and am trying to finetune performance during a massive data injection. Everything is working nicely so far, but i keep getting these warnings in debug.log: 2019-09-30 12:40:11.115+0000 WARN [o.n.b.r.BoltConnectionReadLimite...
Hello, I want to MERGE a node: MERGE (a: Article {URL: event.URL}) If the node does not exist, I need to do this: ON CREATE FOREACH( site_name in CASE WHEN event.site_name is not null then [1] ELSE [] END | MERGE (w: Website { value: event.site_n...
I'm trying to represent Enigma rotors with neo4j. match (input:Input{IN:"A"}) match path=(n:Rotor1{IN:input.IN})-[*]-(m) return input,nodes(path) returns the connected nodes, but never a list. Is it because the path is not oriented? How can I extrac...
I am doing some dev-ops work in the AWS environment (unmanaged) with Neo4j Enterprise causal cluster using version 3.5.8. I would like to be able to add a new user from an Ubuntu bash command line. The best resource I have found so far is here: ...
Today an EC2 instance with the current neo4j community edition AMI was set up for me. But this failed despite several attempts. 1st attempt: EC2 instance with ami-0e6865c9b4a3f869d error message I assume: Subscribing seems not to be allowed here fro...
I filled a database with nodes (CREATE) through a python script using neo4j.GraphDatabase. Every 1000 entries I finished the session and transaction and began a new one. This worked fine for a continuous set of ~30.000 nodes. Then I tried it on a muc...
I have a lot of output Spark data that I'm attempting to load via LOAD CSV, and everything appears to go well until a checkpoint is hit, at which point the server performance not only tanks, but it refuses to improve. Here's some example log output b...
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