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problems setting shared memory on linux

From: Hannu Krosing <hannu(at)tm(dot)ee>
To: "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>
Subject: problems setting shared memory on linux
Date: 2001-05-29 13:28:54
Message-ID: 3B13A416.185811EB@tm.ee (view raw or flat)
Thread:
Lists: pgsql-hackers
Hi

Has anyoone had similar problems ?

I have problems satting SHMALL on some linux (RedHat 6.2) computers

when I try to set them to 128MB (on a 256MB computer),
it has no effect.

[root(at)amphora2 /root]# echo 134217728 >/proc/sys/kernel/shmmax
[root(at)amphora2 /root]# echo 134217728 >/proc/sys/kernel/shmall
[root(at)amphora2 /root]# cat /proc/sys/kernel/shmall
4194304
[root(at)amphora2 /root]# cat /proc/sys/kernel/shmmax 
134217728

------------------
Hannu

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