Re: Closing some 8.4 open items - Mailing list pgsql-hackers

From Bruce Momjian
Subject Re: Closing some 8.4 open items
Date
Msg-id 200904072022.n37KMXh21353@momjian.us
Whole thread Raw
In response to Re: Closing some 8.4 open items  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-hackers
Tom Lane wrote:
> Greg Stark <stark@enterprisedb.com> writes:
> > On Sun, Apr 5, 2009 at 6:54 PM, Robert Haas <robertmhaas@gmail.com> wrote:
> >> I'm excited about some of them, but not to the point of not wanting to
> >> ship beta. �So +1 for removing them as per your suggestions.
> 
> > I'm somewhat excited about posix_fadvise but my general feeling was
> > that it was best to do nothing anyways.
> 
> Yeah.  One of the things in the back of my mind is that the planner is
> going to prefer bitmap scans anyway for anything that fetches more than
> a very few rows.  So it's not clear that prefetching plain indexscans
> is going to buy enough to justify a whole lotta work or ugliness there.
> 
> I'm content to throw this one on TODO.

I am not inclined to add a TODO until we see actual value in doing it.

--  Bruce Momjian  <bruce@momjian.us>        http://momjian.us EnterpriseDB
http://enterprisedb.com
 + If your life is a hard drive, Christ can be your backup. +


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