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fab-manager/provision/box_tuning.zsh

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#!/usr/bin/env zsh
###
# Tune-up the system settings
system_tuning()
{
echo "Tunning up the system"
# Enable overcomit memmory for Redis
sudo echo -e "\n## Redis tune-up" >> /etc/sysctl.conf
sudo echo '# Allow background save on low memory conditions' >> /etc/sysctl.conf
sudo echo -e "vm.overcommit_memory = 1\n" >> /etc/sysctl.conf
# Enagle huge pages for Redis
sudo touch /etc/rc.local
sudo echo '## Redis tune-up' >> /etc/rc.local
sudo echo '# Reduce latency and memory usage' >> /etc/rc.local
sudo echo 'echo never > /sys/kernel/mm/transparent_hugepage/enabled' >> /etc/rc.local
sudo echo -e "\n\n"
sudo echo -e "exit 0\n" >> /etc/rc.local
sudo chmod +x /etc/rc.local
# Increase virtual memory areas for ElasticSearch
sudo echo -e "\n## ElasticSearch tune-up" >> /etc/sysctl.conf
sudo echo '# Increase max virtual memory areas' >> /etc/sysctl.conf
sudo echo -e "vm.max_map_count = 262144\n" >> /etc/sysctl.conf
}
setup() {
system_tuning
}
setup "$@"
echo 'Virtual Environment is ready. Plase run `vagrant reload`.'