Re: get rid of RM_HEAP2_ID
| От | Heikki Linnakangas |
|---|---|
| Тема | Re: get rid of RM_HEAP2_ID |
| Дата | |
| Msg-id | 633f0bcf-f313-466b-aa09-c6f62056178f@iki.fi обсуждение исходный текст |
| Ответ на | Re: get rid of RM_HEAP2_ID (John Naylor <johncnaylorls@gmail.com>) |
| Ответы |
Re: get rid of RM_HEAP2_ID
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| Список | pgsql-hackers |
On 15/10/2025 07:51, John Naylor wrote: > On Tue, Oct 14, 2025 at 7:20 PM Heikki Linnakangas <hlinnaka@iki.fi> wrote: >> This patch consumes one of the padding bytes. That's not entirely free, >> as there is an opportunity cost: we could squeeze out the padding bytes >> and save 2 bytes on every WAL record instead. > > I must be misunderstanding, because I'm not sure how that would work > with the alignment requirement of later parts. We could store xl_crc unaligned. IIRC all the structs that follow that are already stored unaligned. - Heikki
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