Re: WAL CPU overhead/optimization (was Master-slave visibility order)

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От Robert Haas
Тема Re: WAL CPU overhead/optimization (was Master-slave visibility order)
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Msg-id CA+TgmobO+KXYXbuRQb7G1ktZoxtSTfDo-yBNdN2Duq4ZvSYZZQ@mail.gmail.com
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Ответ на Re: WAL CPU overhead/optimization (was Master-slave visibility order)  (Ants Aasma <ants@cybertec.at>)
Ответы Re: WAL CPU overhead/optimization (was Master-slave visibility order)  (Hannu Krosing <hannu@2ndQuadrant.com>)
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On Thu, Aug 29, 2013 at 8:22 PM, Ants Aasma <ants@cybertec.at> wrote:
> I might give it a shot later this cycle as I have familiarized my self
> with the problem domain anyway. I understand the appeal of staying
> with what we have, but this would cap the speedup at 4x and has large
> caveats with the extra lookup tables. A 28x speedup might be worth the
> extra effort.

I agree.  However, on the flip side, a bird in the hand is worth two
in the bush.  A patch that just does the same thing faster is likely
to be less controversial than changing the algorithm, and does not
preclude changing the algorithm later.

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



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