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
Views: Raw Message | Whole Thread | Download mbox | Resend email
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

In response to

Browse pgsql-performance by date

  From Date Subject
Next Message Jim C. Nasby 2004-10-28 23:46:58 Re: Sequential Scan with LIMIT
Previous Message Rod Taylor 2004-10-28 17:20:56 Re: Performance Anomalies in 7.4.5