Re: Issue with SHMALL parameter

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: data tanger <datatanger(at)hotmail(dot)fr>
Cc: pgsql-docs(at)postgresql(dot)org
Subject: Re: Issue with SHMALL parameter
Date: 2012-09-18 16:07:46
Message-ID: 20113.1347984466@sss.pgh.pa.us
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data tanger <datatanger(at)hotmail(dot)fr> writes:
> Here are the shmall and the shmax params of my server:
> #cat /proc/sys/kernel/shmmax 68719476736
> #cat /proc/sys/kernel/shmall 4294967296

SHMALL is measured in pages not bytes on Linux. I wonder if that value
is too large and is causing an internal integer overflow in the kernel.

regards, tom lane

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