On 2016-03-11 00:23:56 +0100, Fabien COELHO wrote:
> As you wish. I thought that understanding the underlying performance model
> with sequential writes written in chunks is important for the admin, and as
> this guc would have an impact on performance it should be hinted about,
> including the limits of its effect where large bases will converge to random
> io performance. But maybe that is not the right place.

I do agree that that's something interesting to document somewhere. But
I don't think any of the current places in the documentation are a good
fit, and it's a topic much more general than the feature we're debating
here.  I'm not volunteering, but a good discussion of storage and the
interactions with postgres surely would be a significant improvement to
the postgres docs.

- Andres

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