Re: [Neo] Memory management in neo4j?

2010-01-17 Thread Mattias Persson
Yes, you're right Raul. See http://wiki.neo4j.org/content/Transactions#Big_transactions for more information 2010/1/15, Raul Raja Martinez raulr...@gmail.com: I think the problem is that everything is in a big transaction. Try splitting in smaller transactions On Jan 14, 2010 6:33 PM,

Re: [Neo] Quick question on finding orphaned nodes

2010-01-17 Thread Johan Svensson
Hi Rick, On Sun, Jan 17, 2010 at 2:01 AM, Rick Bullotta rick.bullo...@burningskysoftware.com wrote: Here's a broader question: Does Neo maintain an in-memory list of relationships for a given node?  If so, could the # of relationships be exposed somehow as a property of the node? There is

Re: [Neo] Quick question on finding orphaned nodes

2010-01-17 Thread Rick Bullotta
Thanks for the info, Johan. Although the relationships are lazily loaded, does the hasRelationship() method typically require a disk read? -Original Message- From: user-boun...@lists.neo4j.org [mailto:user-boun...@lists.neo4j.org] On Behalf Of Johan Svensson Sent: Sunday, January 17,

Re: [Neo] Quick question on finding orphaned nodes

2010-01-17 Thread Johan Svensson
On Sun, Jan 17, 2010 at 3:42 PM, Rick Bullotta rick.bullo...@burningskysoftware.com wrote: Thanks for the info, Johan.  Although the relationships are lazily loaded, does the hasRelationship() method typically require a disk read? Only if the list is empty and no relationships have been loaded

Re: [Neo] Looking for a multiuser Rest example

2010-01-17 Thread Johan Svensson
Hi, I would recommend a domain level REST API. We are working on examples and documentation for this and hope to have something ready soon. -Johan On Fri, Jan 8, 2010 at 10:42 PM, bryan webb bww00amd...@yahoo.com wrote: Hi I am looking for an example /how to share neo4j between many users.

[Neo] Search Multiple Property Keys in LuceneIndexService

2010-01-17 Thread Matt Johnston
Reading the wiki, it looks pretty straight forward to index basic properties of a node into the lucene index, http://wiki.neo4j.org/content/Indexing_with_IndexService My question is, how can you query against multiple properties in the same query? Using the wiki example as a basis: Node andy =

[Neo] Best way to represent graph change over time?

2010-01-17 Thread Phat Loc
Hi All, I am new to Neo4j. I am looking to use represent change in a node space over time. What is the best way to do it? Should create a new GraphDatabase per unit of time (say each day) and diff them or create a node for each day and connect a node space to a time line branch. I am thinking