Andres Freund wrote:

> I've actually changed course a bit and I'm trying something different: A
> two level structure. One hashtable that maps (RelFileNode, ForkNumber)
> to a 'open relation' data structure, and from there a radix tree over
> just the block number. To avoid having to look up in the hashtable
> frequently there's a pointer in RelationData to a fork's radix tree.

Is this going anywhere, or did you drop the subject altogether?

Álvaro Herrera      
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

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