Re: B-Heaps - Mailing list pgsql-performance

From Tom Lane
Subject Re: B-Heaps
Date
Msg-id 17236.1276890065@sss.pgh.pa.us
Whole thread Raw
In response to Re: B-Heaps  (Greg Smith <greg@2ndquadrant.com>)
List pgsql-performance
Greg Smith <greg@2ndquadrant.com> writes:
> Your characterization of the potential speed up here is "Using a proper tree
> inside the index page would improve the CPU usage of the index lookups",
> which seems quite reasonable.  Regardless, when I consider "is that
> something I have any reason to suspect is a bottleneck on common
> workloads?", I don't think of any, and return to working on one of
> things I already know is instead.

Note also that this doesn't do a thing for b-tree indexes, which already
have an intelligent within-page structure.  So that instantly makes it
not a mainstream issue.  Perhaps somebody will be motivated to work on
it, but most of us are chasing other things.

            regards, tom lane

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