Neo4j Graph Platform
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About the Neo4j Graph Platform Category

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...

Neo4j-graph-database-to-graph-platform.png
yolande by Community Team
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Weighted Relationship

Hello I have a table about transactions with same collumns as ID_TRANSACTION, DT_TRANSACION, ID_COMPANY, ID_CUSTOMER, etc. I need to create a graph with relation between the companies, the more common customers the greater the relationship. The table...

Connection to server lost - Too many traffic?

Hi, I host my own neo4j db (version 3.4.9 - Edition entreprise) . And sometime I have this error (see on interface) : BoltConnectionError: No connection found, did you connect to Neo4j? in neo4j interface and sometimes my application fail to connect ...

Halin system load unit?

Wich unit is the "system load" chart in Halin performance tab using? First thought it might be percent, but our values are around 200m to 1.0, even unter high load? Then thought 1.0 = 100% but I've also seen values above 1.0, so this must be wrong. B...

Reiner by Graph Buddy
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Import maxing out memory, but not using CPU

Hi, I'm currently in the process of using neo4j-admin import for a dataset of ~8M nodes, 80M node properties, 700M relationships and 3.18G relationship properties - equating to ~87GB. I tried with a sample set yesterday and it worked fine, but this w...

Database Start-Up Issues

I am curious if anyone has run into a similar issue? I didn't see a post on the topic, so figured I would reach out to the community. For some odd reason at times when I restart the database or close Neo4j Desktop and go back, start up the database, ...

Sort by average of intermediate node property

Hello, I am new to neo4j, and just learning Cypher, so this may be a simple question. Or not. I've had trouble searching for this answer, as I'm not quite sure how to describe it. In my data, there are a set of Customers, each of which can have zero ...

tim1 by Node
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Simplifying/ Generalizing a cypher query

Dear all, I am relatively new to Neo4j and need it for university. I am working with the enterprise edition for education, with the latest version and the apoc plugin. I have a problem which I guess is resolved simply but I just cannot find a way how...

i_m by Node
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Optimisation of a cypher query

Hello, we are doing database tests with different databases on connected data. Surprisingly Neo4J is somewhat slow compared to JDO Datanucleus. In our tests we have around 1.1 mio node, we aim for much bigger datasets ( around 10^12 nodes). Here is a...

Cypher query validation for genome analysis

Hi, I'm in the last couple of days before my dissertation is due and after a long few weeks of manipulating a large amount of genomic and phenotype data, it should be ready to import tomorrow... I know I'm cutting it very fine - so apologies for this...

Multiple matches performance drop

Hello everyone, I am facing a weird issue with Neo4j. I have a relatively large graph with about 2 million nodes, and I would like to run personalized pagerank on some lists of nodes. I use the following syntax to grab the nodes I need MATCH (a:type ...

Upgrade from 2.x to 3.4 data not seen

Hello, I am upgrading following this guide, https://neo4j.com/docs/operations-manual/current/upgrade/deployment-upgrading/#upgrade-instructions-2x, and have completed all tasks. I run the setting migrations tool, and update the allow_upgrade setting ...