I just knew about memory allocation and just read Server Performance Tuning 
of Neo4j. neo4j.properties:
# Default values for the low-level graph engine

#neostore.nodestore.db.mapped_memory=25M
#neostore.relationshipstore.db.mapped_memory=50M
#neostore.propertystore.db.mapped_memory=90M
#neostore.propertystore.db.strings.mapped_memory=130M
#neostore.propertystore.db.arrays.mapped_memory=130M

Should I change this to get high performance? If yes, please suggest me.

And I just knew about Neo4j Licenses, they are Community, Personal, 
Startups, Business and Enterprise. And at Neo4j website all features are 
explained. So which Neo4j should I use for my case that has millions nodes 
and relationships?

Please answer. I need your help so much.

Thanks.

On Tuesday, March 25, 2014 12:03:58 AM UTC+7, Rio Eduardo wrote:
>
> I'm testing my thesis which is about transforming from relational database 
> to graph database. After transforming from relational database to graph 
> database, I will test their own performance according to query response 
> time and throughput. In relational database, I use MySQL while in graph 
> database I use Neo4j for testing. I will have 3 Million more nodes and 6 
> Million more relationships. But when I just added 60000 nodes, my Neo4j is 
> already dead. When I tried to return all 60000 nodes, it returned unknown. 
> I did the same to MySQL, I added 60000 records but it could return all 
> 60000 records. It's weird because it's against the papers I read that told 
> me graph database is faster than relational database So Why is Neo4j 
> slower(totally dead) in lower specification of pc/notebook while MySQL is 
> not? And What specification of pc/notebook do I should use to give the best 
> performance during testing with millions of nodes and relationships?
>
> Thank you.
>

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