Re: PostgreSQL Process memory architecture

From: Atri Sharma <atri(dot)jiit(at)gmail(dot)com>
To: "Ben Zeev, Lior" <lior(dot)ben-zeev(at)hp(dot)com>
Cc: "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: PostgreSQL Process memory architecture
Date: 2013-05-27 08:29:53
Message-ID: CAOeZViexc1AkoK3pEaW2OZ2W-VLyjKfNhBBVhY5jmXioJLcsOA@mail.gmail.com
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: 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

In response to

Responses

Browse pgsql-hackers by date

  From Date Subject
Next Message Marc Mamin 2013-05-27 09:37:09 repeated warnings with 9.3 Beta 1 on windows
Previous Message Ben Zeev, Lior 2013-05-27 08:11:04 PostgreSQL Process memory architecture