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

From: Kevin Grittner <kgrittn(at)ymail(dot)com>
To: Kevin Grittner <kgrittn(at)ymail(dot)com>, Jim Nasby <jim(at)nasby(dot)net>, Robert Haas <robertmhaas(at)gmail(dot)com>
Cc: Atri Sharma <atri(dot)jiit(at)gmail(dot)com>, Bruce Momjian <bruce(at)momjian(dot)us>, Peter Geoghegan <pg(at)heroku(dot)com>, Greg Stark <stark(at)mit(dot)edu>, Ants Aasma <ants(at)cybertec(dot)at>, Pg Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Clock sweep not caching enough B-Tree leaf pages?
Date: 2014-05-01 16:00:10
Message-ID: 1398960010.37980.YahooMailNeo@web122304.mail.ne1.yahoo.com
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Kevin Grittner <kgrittn(at)ymail(dot)com> wrote:

> each connection caused to be held in cache the last page at each
> level of the index.

Apologies for ambiguous terminology there.

To be clear: the most recently accessed page at each level of the index.

--
Kevin Grittner
EDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

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