Thread: Fwd: Re: Shared memory for RH Linux 7.1
>This is true. You can adjust the value in the /proc/sys/kernel/shmmax >file. If you change the value it will be reset when you reboot, so you >will need to write a start-up script to always change this value if you >want it to be permanent. > >-r > >At 09:51 AM 5/24/01 -0700, you wrote: > >>In the past, I had to change the RedHat Linux kernel so that the >>shared memory was set to something much higher than the default (which >>I think was about 32 MBytes). It seems that this is no longer >>necessary in RH 7.1 (kernel 2.4). Can someone confirm this? >> >>-Tony >> >>---------------------------(end of broadcast)--------------------------- >>TIP 1: subscribe and unsubscribe commands go to majordomo@postgresql.org >> >> >> >>--- >>Incoming mail is certified Virus Free. >>Checked by AVG anti-virus system (http://www.grisoft.com). >>Version: 6.0.251 / Virus Database: 124 - Release Date: 4/26/01 --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.251 / Virus Database: 124 - Release Date: 4/26/01
On Thu, 24 May 2001, Ryan Mahoney wrote: > >This is true. You can adjust the value in the /proc/sys/kernel/shmmax > >file. If you change the value it will be reset when you reboot, so you > >will need to write a start-up script to always change this value if you > >want it to be permanent. or you can let sysctl do it with this in /etc/sysctl.conf: kernel.shmmax = 268435456 (obviously changing the value with what is appropriate for your machine). This is for a RH 6.2 box. DOnt know if its the same on 7.1. We switched to FreeBSD between redhat 6.2 and 7.0, so we dont have any RH7.1 boxes laying around. I suspect it hasn't changed though. Mike