Re: postmaster uses more CPU in 18 beta1 with io_method=io_uring

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От Andres Freund
Тема Re: postmaster uses more CPU in 18 beta1 with io_method=io_uring
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Msg-id smgqjh356dkvs6ixi3yiotxibajnhjzqp7xfvpj43lpavls4xz@eu7bhcuqiukt
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Ответ на Re: postmaster uses more CPU in 18 beta1 with io_method=io_uring  (Tom Lane <tgl@sss.pgh.pa.us>)
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Hi,

On 2025-06-05 12:47:52 -0400, Tom Lane wrote:
> Andres Freund <andres@anarazel.de> writes:
> > I think this is a big enough pitfall that it's, obviously assuming the patch
> > has a sensible complexity, worth fixing this in 18. RMT, anyone, what do you
> > think?
> 
> Let's see the patch ... but yeah, I'd rather not ship 18 like this.

I've attached a first draft.

I can't make heads or tails of the ordering in configure.ac, so the function
test is probably in the wrong place.

Greetings,

Andres

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