Re: [HACKERS] POC: Sharing record typmods between backends
| От | Robert Haas |
|---|---|
| Тема | Re: [HACKERS] POC: Sharing record typmods between backends |
| Дата | |
| Msg-id | CA+TgmobX6ziAzK=LhZmce0nBD2_XQU-hWQaGRa4fgf15Hdek=w@mail.gmail.com обсуждение исходный текст |
| Ответ на | Re: [HACKERS] POC: Sharing record typmods between backends (Andres Freund <andres@anarazel.de>) |
| Ответы |
Re: [HACKERS] POC: Sharing record typmods between backends
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| Список | pgsql-hackers |
On Sat, Aug 12, 2017 at 11:30 PM, Andres Freund <andres@anarazel.de> wrote: > That seems to involve a lot more than this though, given that currently > the stats collector data doesn't entirely have to be in memory. I've > seen sites with a lot of databases with quite some per-database stats > data. Don't think we can just require that to be in memory :( Hmm. I'm not sure it wouldn't end up being *less* memory. Don't we end up caching 1 copy of it per backend, at least for the database to which that backend is connected? Accessing a shared copy would avoid that sort of thing. -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company
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