Re: Fast insertion indexes: why no developments

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От Claudio Freire
Тема Re: Fast insertion indexes: why no developments
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Msg-id CAGTBQpa3NN6w24Ndr+L_rEGWjJKeXupZpQjzQKeLmt6+hm5Xsg@mail.gmail.com
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Ответ на Re: Fast insertion indexes: why no developments  (Robert Haas <robertmhaas@gmail.com>)
Ответы Re: Fast insertion indexes: why no developments  (Robert Haas <robertmhaas@gmail.com>)
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On Mon, Nov 4, 2013 at 1:27 PM, Robert Haas <robertmhaas@gmail.com> wrote:
> On Mon, Nov 4, 2013 at 11:24 AM, Claudio Freire <klaussfreire@gmail.com> wrote:
>> Such a thing would help COPY, so maybe it's worth a look
>
> I have little doubt that a deferred insertion buffer of some kind
> could help performance on some workloads, though I suspect the buffer
> would have to be pretty big to make it worthwhile on a big COPY that
> generates mostly-random insertions.  I think the question is not so
> much whether it's worth doing but where anyone's going to find the
> time to do it.


However, since an admin can increase work_mem for that COPY, using
work_mem for this would be reasonable, don't you agree?



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