Re: Piggybacking vacuum I/O

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Heikki Linnakangas <heikki(at)enterprisedb(dot)com>
Cc: Bruce Momjian <bruce(at)momjian(dot)us>, Pavan Deolasee <pavan(dot)deolasee(at)gmail(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Piggybacking vacuum I/O
Date: 2007-01-26 16:47:52
Message-ID: 25205.1169830072@sss.pgh.pa.us
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Heikki Linnakangas <heikki(at)enterprisedb(dot)com> writes:
> I'd like to see still more evidence that it's a problem before we start
> changing that piece of code. It has served us well for years.

What I see here is mostly evidence suggesting that we should consider
raising NUM_CLOG_BUFFERS, rather than anything more invasive.

regards, tom lane

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