mat at matws.net
Thu Dec 27 16:36:09 MST 2012
2 years ago at SDC I remember that you made an explanation on indexing
and how to improve things.
As I'm working on indexing stuff in TDB/LDB I'm trying to recall the
details of this discussion as I kind of remember that you said that it
could bring good improvements.
The fact is that I don't remember all of it, maybe you do ?
In order to help you to recover your memory I know for sure that at some
point you talked about having 1 index sorted and because maintaining a
sorted index can be expansive there was a potential second index (or
overflow index) that was not sorted and that was at most
sqrt(len(index1)) long in order to keep the search O(sqrt(n)/2).
I put Nadya in copy as she was also present during the explanation.
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