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Re: Extending the problems we have with caps to endpoints


From: Jonathan S. Shapiro
Subject: Re: Extending the problems we have with caps to endpoints
Date: Tue, 11 Oct 2005 15:03:03 -0400

On Tue, 2005-10-11 at 20:43 +0200, ness wrote:
> > On paper it is really easy, yes.  It all boils down to how easy it is
> > to find your parent.  Depending on your particular implementation of
> > the mapping databse this might be a really expensive and complex
> > operation.
> 
> [Assuming the mdb is implement as a down-pointer-only tree]
> Was it that expensive to add up pointers?

Espen will have to answer this, but my memory is that this would be
something like a 25% to 50% increase in the size of the MDB nodes, which
would be a good reason to ask for a really compelling justification
before implementing it.

shap





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