New answers tagged database-development
I think the term you're looking for is Memory-mapped file. The Neo4j devs occassionally blog about Neo4j internal, the post Neo4j Internals: Persistence and Memory Mapping should be of interest. Haven't read it myself though and I'm not sure how current it is w.r.t. to Neo4j implementation (post is from 2010), but it could be a starting point.
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