Re: High CPU usage / load average after upgrading to Ubuntu 12.04

From: Scott Marlowe <scott(dot)marlowe(at)gmail(dot)com>
To: Josh Berkus <josh(at)agliodbs(dot)com>
Cc: pgsql-performance(at)postgresql(dot)org
Subject: Re: High CPU usage / load average after upgrading to Ubuntu 12.04
Date: 2013-02-20 03:15:23
Message-ID: CAOR=d=1u4vtxNX+xoMrX+-1G9DUu6QOZnLXu1moS2+XO1FX=WA@mail.gmail.com
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On Tue, Feb 19, 2013 at 4:24 PM, Josh Berkus <josh(at)agliodbs(dot)com> wrote:
> ... then you'll see checkpoint "stalls" and spread checkpoint will
> actually make them worse by making the stalls longer.

Wait, if they're spread enough then there won't be a checkpoint, so to
speak. Are you saying that spreading them out means that they still
kind of pile up, even with say a completion target of 1.0 etc?

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