Include tuning for Redis and ElasticSearch under the virtual environment

provision/box_tuning.zsh

@@ -0,0 +1,33 @@
+#!/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 "$@"