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Re: Seq scans status update

From: Greg Smith <gsmith(at)gregsmith(dot)com>
To: Patches <pgsql-patches(at)postgresql(dot)org>
Subject: Re: Seq scans status update
Date: 2007-05-29 01:50:47
Message-ID: Pine.GSO.4.64.0705282146090.28443@westnet.com (view raw or flat)
Thread:
Lists: pgsql-patches
On Mon, 28 May 2007, Tom Lane wrote:

> But maybe that could be fixed if the clock sweep doesn't touch the 
> usage_count of a pinned buffer.  Which in fact it may not do already --- 
> didn't look.

StrategyGetBuffer doesn't care whether the buffer is pinned or not; it 
decrements the usage_count regardless.

--
* Greg Smith gsmith(at)gregsmith(dot)com http://www.gregsmith.com Baltimore, MD

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