Re: PostgreSQL Process memory architecture - Mailing list pgsql-hackers

From Atri Sharma
Subject Re: PostgreSQL Process memory architecture
Date
Msg-id CAOeZViexc1AkoK3pEaW2OZ2W-VLyjKfNhBBVhY5jmXioJLcsOA@mail.gmail.com
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In response to PostgreSQL Process memory architecture  ("Ben Zeev, Lior" <lior.ben-zeev@hp.com>)
Responses Re: PostgreSQL Process memory architecture  (Stephen Frost <sfrost@snowman.net>)
List pgsql-hackers
> Does each PostgreSQL process allocating in its own memory (Not shared
> memory) a cache of all the database catalog which it access during the SQL
> execution?
>
> I mean does each process holds all the catalog indexes data which it
> accessed, all the catalog index statistics etc’ accessed

AFAIK, the shared disk buffers are the only part shared between the processes.

Regards,

Atri




--
Regards,

Atri
l'apprenant



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