Re: Clock sweep not caching enough B-Tree leaf pages?

From: Peter Geoghegan <pg(at)heroku(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Jim Nasby <jim(at)nasby(dot)net>, Robert Haas <robertmhaas(at)gmail(dot)com>, Andres Freund <andres(at)2ndquadrant(dot)com>, Merlin Moncure <mmoncure(at)gmail(dot)com>, Pg Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Clock sweep not caching enough B-Tree leaf pages?
Date: 2014-04-22 01:30:54
Message-ID: CAM3SWZQUaifoHX81dPVARBU3+Z_hN_8aZaC0N9sRZdHGUDoW2w@mail.gmail.com
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On Mon, Apr 21, 2014 at 6:12 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> Did you read the commit message I pointed to?

Yes.

> (See also 4e8af8d27.)

Oh, I wasn't actually aware of the fact that 2Q made it into the tree.
I thought that the first commit message you referred to just
referenced on-list discussion of 2Q. Interesting.

--
Peter Geoghegan

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