Re: Reducing the chunk header sizes on all memory context types
От | David Rowley |
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Тема | Re: Reducing the chunk header sizes on all memory context types |
Дата | |
Msg-id | CAApHDvrxyptOugW0aR8eF9iD+kzoFyKtoMTyhOHUyctKc9kLdw@mail.gmail.com обсуждение исходный текст |
Ответ на | Re: Reducing the chunk header sizes on all memory context types (Ranier Vilela <ranier.vf@gmail.com>) |
Ответы |
Re: Reducing the chunk header sizes on all memory context types
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Список | pgsql-hackers |
On Tue, 4 Oct 2022 at 13:35, Ranier Vilela <ranier.vf@gmail.com> wrote: > Revisiting my work on reducing memory consumption, I found this patch left out. > I'm not sure I can help. > But basically I was able to write and read the block size, in the chunk. > Could it be the case of writing and reading the context pointer in the same way? > Sure this leads to some performance loss, but would it make it possible to get the context pointer from the chunk? > In other words, would it be possible to save the context pointer and compare it later in MemoryContextContains? I'm not really sure I understand the intention of the patch. The header size for all our memory contexts was already reduced in c6e0fe1f2. The patch you sent seems to pre-date that commit. David
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