Neo4j

m_hess · 11-02-2020

Hi, I want to export/download the whole database from an online neo4j 4.1.3 Enterprise. I would like to stream the data into my client application for processing. Therefore, I tried to use apoc.export.csv.all. I tested it in the browser, streaming on...

m_hess · 10-19-2020

Hi, after researching and a lot of trial and error, I was not able to figure out, what I'm doing wrong. So I ended up here writing my first post. Here's what I'm trying to achieve. I have a graph with ~200M nodes and ~260M relationships. I want to in...

m_hess · 11-04-2020

Hi, I wanted to given some feedback. My current solution is to split the MATCH (n) RETURN n query into multiple queries, so that transaction memory is released at server-side. The query looks like this: MATCH (n) WHERE (id(n) % $batchCount) = $batchI...

m_hess · 11-03-2020

HI David, thanks for your quick reply. david.allen: it might not be avoidable that you're doing a single TX that in the end is the size of the database In theory, there is no need to keep all the data in memory for the transaction. It should j...

m_hess · 10-21-2020

I managed to update all nodes by using a batchSize of 10 and by using labels at both ends of the path. I had to pass all possible combinations of labels manually, but it worked. In the end, I did not try out these things systematically. I did not ret...

Neo4j

User Statistics

User Activity

Apoc.export.csv.all fails with huge database when streaming

Updating many nodes in large graph consumes all memory and crashes

Re: Apoc.export.csv.all fails with huge database when streaming

Re: Apoc.export.csv.all fails with huge database when streaming

Re: Updating many nodes in large graph consumes all memory and crashes