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You can get a point read with just a single aligned random I/O operation on disk with this. I don't see how a B-tree based storage can compete.

And even more optimizations are possible, like grouping objects often accessed together into a single batch to retrieve the whole group in just one random operation too.

I'm sure you can go faster, but how much faster? The rowid b-tree lookup, with the b-tree in memory, will almost certainly be blazing fast compared to the actual disk read.

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