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Re: Performance Anomalies in 7.4.5

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Rod Taylor <pg(at)rbt(dot)ca>
Cc: Josh Berkus <josh(at)agliodbs(dot)com>,Postgresql Performance <pgsql-performance(at)postgresql(dot)org>
Subject: Re: Performance Anomalies in 7.4.5
Date: 2004-10-28 17:50:29
Message-ID: 3472.1098985829@sss.pgh.pa.us (view raw or flat)
Thread:
Lists: pgsql-performance
Rod Taylor <pg(at)rbt(dot)ca> writes:
> On Thu, 2004-10-28 at 12:31, Tom Lane wrote:
>> Should be pretty much a fixed cost: one kernel call per table.

> Is this something that the bgwriter could periodically do and share the
> data?

I think a kernel call would be cheaper.

			regards, tom lane

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