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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 (view raw or flat)
Thread:
Lists: pgsql-docs
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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