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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Guillaume Pungeot <gpungeot@gmail.com>
Cc: pgsql-performance@postgresql.org
Subject: Re: Loss of cache when persistent connexion is closed
Date: Tue, 08 Jan 2008 19:05:55 -0500
Message-ID: <22396.1199837155@sss.pgh.pa.us> (raw)
In-Reply-To: <95c13b360801080735y181e4f5fs75c0741603f6021c@mail.gmail.com>
References: <95c13b360801080735y181e4f5fs75c0741603f6021c@mail.gmail.com>

"Guillaume Pungeot" <gpungeot@gmail.com> writes:
> I assume that each postgresql process manage its own cache but that there is
> no global cache. Am I right ?

No, you aren't.

Are you sure you're not shutting down the postmaster?  Just exiting
individual sessions shouldn't result in anything getting discarded
from shared buffers.

			regards, tom lane



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