On Mon, Jan 9, 2012 at 2:37 PM, Peter Geoghegan <peter@2ndquadrant.com> wro=
te:
> On 9 January 2012 18:47, Robert Haas <robertmhaas@gmail.com> wrote:
>> On Sat, Dec 31, 2011 at 8:54 PM, Peter Geoghegan <peter@2ndquadrant.com>=
wrote:
>>> ISTM that the following reference, at config.sgml line 1345, ought to
>>> be adjusted due to the introduction of the new checkpointer process:
>>>
>>> =A0Setting this to zero disables
>>> =A0 =A0 =A0 =A0 background writing (except for checkpoint activity).
>>
>> Hmm, so what should we adjust it *to*?
>
> How about "Setting this to zero disables background writing. Note that
> checkpoints, which are managed by a separate, dedicated auxiliary
> process, are unaffected."
>
> If this was the first release of Postgres, I'd suggest that we remove
> any references to checkpoints, which are sort of orthogonal to the
> stated main function of the bgwriter in past releases, which is to
> clean dirty buffers so that backends don't have to. However, people
> may still expect the bgwriter to manage checkpointing, particularly if
> they're working off old sources of information, so it's useful to set
> them straight.
OK, done.
--=20
Robert Haas
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