Re: Performance Improvement by reducing WAL for Update Operation

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От Peter Geoghegan
Тема Re: Performance Improvement by reducing WAL for Update Operation
Дата
Msg-id CAM3SWZT5zBodcHHJcqNd7r22BPh6AugW04-LUa=324qsBOQE2w@mail.gmail.com
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Ответ на Re: Performance Improvement by reducing WAL for Update Operation  (Robert Haas <robertmhaas@gmail.com>)
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On Mon, Nov 25, 2013 at 6:55 PM, Robert Haas <robertmhaas@gmail.com> wrote:
> But even if that doesn't
> pan out, I think the fallback position should not be "OK, well, if we
> can't get decreased I/O for free then forget it" but rather "OK, if we
> can't get decreased I/O for free then let's get decreased I/O in
> exchange for increased CPU usage".

While I haven't been following the development of this patch, I will
note that on the face of it the latter seem like a trade-off I'd be
quite willing to make.


-- 
Peter Geoghegan



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