Pavan Deolasee <pavan.deola...@gmail.com> writes:
> On Sun, May 29, 2011 at 8:10 PM, Tom Lane <t...@sss.pgh.pa.us> wrote:
>> That would require proof, not just suggestion.  Skipping pages will
>> defeat the OS read-ahead algorithm, and so could easily cost more than
>> reading them.

> My worry is what we have right now is also based on just assumptions
> and gut feelings rather than any numbers.

So go collect some numbers.

                        regards, tom lane

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