Re: A BTree on disk ?

From: Damir Buskulic (buskulic@lapp.in2p3.fr)
Date: Thu Apr 29 1999 - 16:22:10 MEST


Greg Doherty wrote:
> 
> I did not want to comment because I thought someone else would.
> B-trees were originally designed for disk access - they may

Perhaps I wrongly expressed myself. I understood that BTrees where
mainly for disk access. I just wanted to say that the ROOT
implementation (TBTree) was for resident memory uses.

Sure, for the kind of analyses people are trying to do with ROOT, most
of the time, one doesn't need BTrees on disk. But sometimes, it can be
something valuable, as the need was expressed by a few people for a
random access of data, indexed by something else than the tree index
number.

Cheers

Damir


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