Re: Big performance slowdown from 11.2 to 13.3

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От	David G. Johnston
Тема	Re: Big performance slowdown from 11.2 to 13.3
Дата	28 июля 2021 г. 03:06:59
Msg-id	CAKFQuwakkn=FDRpEaUa4EXHrhHpKAFWn1fv9CRes0VfpxFTMrw@mail.gmail.com обсуждение исходный текст
Ответ на	RE: Big performance slowdown from 11.2 to 13.3 ("ldh@laurent-hasson.com" <ldh@laurent-hasson.com>)
Список	pgsql-performance

hash_mem_multiplier is an upper-bound right: it doesn't reserve memory ahead of time correct?

Yes, that is what the phrasing "maximum amount" in the docs is trying to convey.

But also note that it is "each operation" that gets access to that limit.

David J.

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