Re: ANALYZE sampling is too good - Mailing list pgsql-hackers

From Peter Geoghegan
Subject Re: ANALYZE sampling is too good
Date
Msg-id CAM3SWZRP_NTXKjZTJ956nzY8zgSXEeT-GBSYsHdhbqJbTHW1oQ@mail.gmail.com
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In response to Re: ANALYZE sampling is too good  (Greg Stark <stark@mit.edu>)
Responses Re: ANALYZE sampling is too good
List pgsql-hackers
On Tue, Dec 10, 2013 at 11:59 AM, Greg Stark <stark@mit.edu> wrote:
> But I don't really think this is the right way to go about this.
> Research papers are going to turn up pretty specialized solutions that
> are probably patented. We don't even have the basic understanding we
> need. I suspect a basic textbook chapter on multistage sampling will
> discuss at least the standard techniques.

I agree that looking for information on block level sampling
specifically, and its impact on estimation quality is likely to not
turn up very much, and whatever it does turn up will have patent
issues.

-- 
Peter Geoghegan



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