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Limit some variables that cause errors with 128G RAM and above.
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Cristhian Martínez Ochoa 2022-11-17 12:44:54 -07:00
parent 467475b1f7
commit b44761d4d7
1 changed files with 5 additions and 1 deletions
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6
lib/install
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@ -67,7 +67,11 @@ linux_optim() {
local msgmni=1024
fi
# https://www.ibm.com/docs/es/db2/11.1?topic=unix-modifying-kernel-parameters-linux
# Although you can apply values larger than 32768 by using the boot parameter ipcmni_extend, the values are still capped to 32768 internally.
[[ $shmmni -gt 32768 ]] && local shmmni=32768
[[ $msgmni -gt 32768 ]] && local msgmni=32768
# https://www.ibm.com/docs/en/db2/11.1?topic=unix-modifying-kernel-parameters-linux
sudo sed -i "/kernel.shmmni =/c \kernel.shmmni = $shmmni" /etc/sysctl.conf
sudo sed -i "/kernel.shmmax =/c \kernel.shmmax = $(($ramk*800))" /etc/sysctl.conf # Less than 80% of total ram
sudo sed -i "/kernel.shmall =/c \kernel.shmall = $(($(getconf PAGE_SIZE)*2))" /etc/sysctl.conf