On Mon, Feb 27, 2012 at 3:50 AM, Simon Riggs <si...@2ndquadrant.com> wrote:
> That isn't the case. We have evidence that the current knobs are
> hugely ineffective in some cases.
> Turning the bgwriter off is hardly "adjusting a setting", its
> admitting that there is no useful setting.
> I've suggested changes that aren't possible by tuning the current knobs.

OK, fair point.  But I don't think any of us - Greg included - have an
enormously clear idea why turning the background writer off is
improving performance in some cases.  I think we need to understand
that better before we start changing things.

Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

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