Re: Visibility map and hint bits

From: "Kevin Grittner" <Kevin(dot)Grittner(at)wicourts(dot)gov>
To: "Merlin Moncure" <mmoncure(at)gmail(dot)com>, "Bruce Momjian" <bruce(at)momjian(dot)us>
Cc: "PostgreSQL-development" <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Visibility map and hint bits
Date: 2011-05-05 19:00:12
Message-ID: 4DC2AD6C020000250003D322@gw.wicourts.gov
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Merlin Moncure <mmoncure(at)gmail(dot)com> wrote:

> a small cache that remembers the commit/cancel status of recently
> seen transactions.

How is that different from the head of the clog SLRU?

-Kevin

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