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

From: Hannu Krosing <hannu(at)krosing(dot)net>
To: Andres Freund <andres(at)2ndquadrant(dot)com>, Peter Geoghegan <pg(at)heroku(dot)com>
Cc: 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: 2014-04-22 09:03:22
Message-ID: 5356305A.6060705@krosing.net
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On 04/17/2014 10:39 PM, Andres Freund wrote:
> On 2014-04-17 13:33:27 -0700, Peter Geoghegan wrote:
>> Just over 99.6% of pages (leaving aside the meta page) in the big 10
>> GB pgbench_accounts_pkey index are leaf pages.

What is the depth of b-tree at this percentage ?

Cheers
Hannu

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