Re: PG15 beta1 sort performance regression due to Generation context change

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От Heikki Linnakangas
Тема Re: PG15 beta1 sort performance regression due to Generation context change
Дата
Msg-id ab19237b-8578-386a-c352-5a1aa8c33e5b@iki.fi
обсуждение исходный текст
Ответ на PG15 beta1 sort performance regression due to Generation context change  (David Rowley <dgrowleyml@gmail.com>)
Ответы Re: PG15 beta1 sort performance regression due to Generation context change  (Tomas Vondra <tomas.vondra@enterprisedb.com>)
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Дерево обсуждения 
On 20/05/2022 08:56, David Rowley wrote:
> The problem is that generation chunks have a larger chunk header than
> aset do due to having to store the block pointer that the chunk
> belongs to so that GenerationFree() can increment the nfree chunks in
> the block. aset.c does not require this as freed chunks just go onto a
> freelist that's global to the entire context.

Could the 'context' field be moved from GenerationChunk to GenerationBlock?

- Heikki

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