6.2.0 #50

Merged
Ark74 merged 12 commits from unstable into master 2021-05-16 01:31:56 +00:00
3 changed files with 99 additions and 29 deletions
Showing only changes of commit ad31cc9793 - Show all commits

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@ -160,35 +160,12 @@ elif [ "$CHAT_DISABLED" = "yes" ] || [ -z "$CHAT_DISABLED" ]; then
fi
done
#SYSTEM
##Disable swap
swapoff -a
sed -ir '/\sswap\s/s/^#?/#/' $FSTAB
##Kernel
#https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/5/html/tuning_and_optimizing_red_hat_enterprise_linux_for_oracle_9i_and_10g_databases/sect-oracle_9i_and_10g_tuning_guide-adjusting_network_settings-changing_network_kernel_settings
sysctl -w net.core.rmem_default=262144
sysctl -w net.core.wmem_default=262144
sysctl -w net.core.rmem_max=262144
sysctl -w net.core.wmem_max=262144
set_once "net.core.rmem_default=262144" "/etc/sysctl.conf"
set_once "net.core.wmem_default=262144" "/etc/sysctl.conf"
set_once "net.core.rmem_max=262144" "/etc/sysctl.conf"
set_once "net.core.wmem_max=262144" "/etc/sysctl.conf"
#https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux_for_real_time/7/html/tuning_guide/reduce_tcp_performance_spikes
sysctl -w net.ipv4.tcp_timestamps=0
set_once "net.ipv4.tcp_timestamps=0" "/etc/sysctl.conf"
#https://bugzilla.redhat.com/show_bug.cgi?id=1283676
sysctl -w net.core.netdev_max_backlog=100000
set_once "net.core.netdev_max_backlog=100000" "/etc/sysctl.conf"
##nginx
sed -i "s|worker_connections.*|worker_connections 2000;|" /etc/nginx/nginx.conf
#Missing docs
#sysctl -w net.ipv4.tcp_low_latency=1
## JMS system tune up
if [ "$MODE" = "debug" ]; then
bash $PWD/jms-stu.sh -m debug
else
bash $PWD/jms-stu.sh
fi
#JVB2
##Loose up logging

86
mode/jms-stu.sh Normal file
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@ -0,0 +1,86 @@
#!/bin/bash
# System-tune-up to remove system restrictions on a huge load of connections.
# SwITNet Ltd © - 2021, https://switnet.net/
# GPLv3 or later.
#Check if user is root
if ! [ $(id -u) = 0 ]; then
echo "You need to be root or have privileges!"
exit 0
fi
while getopts m: option
do
case "${option}"
in
m) MODE=${OPTARG};;
\?) echo "Usage: sudo ./jms-stu.sh [-m debug]" && exit;;
esac
done
echo '
#--------------------------------------------------
# Starting system tune up configuration
# for high performance
#--------------------------------------------------
'
#DEBUG
if [ "$MODE" = "debug" ]; then
set -x
fi
set_once() {
if [ -z "$(awk '!/^ *#/ && NF {print}' "$2"|grep $(echo $1|awk -F '=' '{print$1}'))" ]; then
echo "Setting "$1" on "$2"..."
echo "$1" | tee -a "$2"
else
echo " \"$(echo $1|awk -F '=' '{print$1}')\" seems present, skipping setting this variable"
fi
}
##Disable swap
swapoff -a
sed -r '/\sswap\s/s/^#?/#/' -i $FSTAB
##Alternative swap tuning (need more documentation).
#vm.swappiness=10
#vm.vfs_cache_pressure=50
##Kernel
#https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/5/html/tuning_and_optimizing_red_hat_enterprise_linux_for_oracle_9i_and_10g_databases/sect-oracle_9i_and_10g_tuning_guide-adjusting_network_settings-changing_network_kernel_settings
sysctl -w net.core.rmem_default=262144
sysctl -w net.core.wmem_default=262144
sysctl -w net.core.rmem_max=262144
sysctl -w net.core.wmem_max=262144
set_once "net.core.rmem_default=262144" "/etc/sysctl.conf"
set_once "net.core.wmem_default=262144" "/etc/sysctl.conf"
set_once "net.core.rmem_max=262144" "/etc/sysctl.conf"
set_once "net.core.wmem_max=262144" "/etc/sysctl.conf"
#system
#https://jitsi.github.io/handbook/docs/devops-guide/devops-guide-quickstart
sysctl -w DefaultLimitNOFILE=65000
sysctl -w DefaultLimitNPROC=65000
sysctl -w DefaultTasksMax=65000
set_once "DefaultLimitNOFILE=65000" "/etc/sysctl.conf"
set_once "DefaultLimitNPROC=65000" "/etc/sysctl.conf"
set_once "DefaultTasksMax=65000" "/etc/sysctl.conf"
#https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux_for_real_time/7/html/tuning_guide/reduce_tcp_performance_spikes
sysctl -w net.ipv4.tcp_timestamps=0
set_once "net.ipv4.tcp_timestamps=0" "/etc/sysctl.conf"
#https://bugzilla.redhat.com/show_bug.cgi?id=1283676
sysctl -w net.core.netdev_max_backlog=100000
set_once "net.core.netdev_max_backlog=100000" "/etc/sysctl.conf"
##nginx
sed -i "s|worker_connections.*|worker_connections 2000;|" /etc/nginx/nginx.conf
nginx -t
#Missing docs
#sysctl -w net.ipv4.tcp_low_latency=1
echo "System tune up...
Done!"

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@ -415,6 +415,13 @@ Remove Chrome warning...
mkdir -p /etc/opt/chrome/policies/managed
echo '{ "CommandLineFlagSecurityWarningsEnabled": false }' > $GCMP_JSON
## JMS system tune up
if [ "$MODE" = "debug" ]; then
bash $PWD/mode/jms-stu.sh -m debug
else
bash $PWD/mode/jms-stu.sh
fi
echo '
########################################################################
Please Setup Your Installation