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From: Fábio Gibon - Comex System <gibon@comexsystem.com.br>
To: Kevin Grittner <Kevin.Grittner@wicourts.gov>
To: PostgreSQL - mailing list <pgsql-admin@postgresql.org>
Subject: Re: Shared_buffer limited by SO
Date: Tue, 12 Apr 2011 12:24:19 -0300
Message-ID: <002401cbf925$be99ae80$eb3074bb@gibon> (raw)
References: <003201cbf90a$470b6770$eb3074bb@gibon>
	<4DA4190A020000250003C6D7@gw.wicourts.gov>

> Fábio Gibon - Comex System<gibon@comexsystem.com.br> wrote:
>
>> are there how define high more than 512Mb to shared_buffer on
>> windows?
>
> What happens when you set it higher than that?

Database don't start e show this message (português):
2011-04-12 12:10:22 BRT FATAL:  não pôde criar segmento de memória 
compartilhada: 8 (can't create a shared memory segment)
2011-04-12 12:10:22 BRT DETALHE:  Falhou ao executar chamada de sistema 
MapViewOfFileEx. (fail on run system call mapviewoffileex, or like this...)

>
> Also, it would be useful to know the version of PostgreSQL, the
> version of Windows, the amount of RAM on the system, etc.
Windows Server 2003 - Standard Edition - SP1 - 32bits
PostgreSQL 8.4.3
RAM 4GB
This error ocurred when I try set shared_buffers to 1GB, with 768MB work 
fine.


>
> -Kevin
> 




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