Re: Very big shm area

Austin Gonyou (austin@digitalroadkill.net)
02 Jun 2002 13:28:48 -0500


I run a Dell 6450 with 8GB ram and a 4GB SHMMAX. You can set the
parameter any time through sysctl if you have it enabled, or you can
hardcode it per the Oracle/DB2 Docs if you wish.

Austin

On Sun, 2002-06-02 at 12:21, Kilobug wrote:
> Hello,
> I wanted to know if it is possible to have a very big system V shared
> memory segment (say about 1Gb) ?
>
> I've quickly looked into the source code of shm.c and shm.h in ipc/ and
> I've read the following:
> /*
> * SHMMAX, SHMMNI and SHMALL are upper limits are defaults which can
> * be increased by sysctl
> */
>
> But how far is it possible to increase them ? And which sysctl must be
> done ?
>
> Thank you for answering,

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