optimize-for-minio.sh

#!/bin/bash

# Ensure the script is run with superuser privileges
if [ "$EUID" -ne 0 ]
  then echo "Please run as root"
  exit
fi

# Update packages and the system
apt update && apt upgrade -y

# File system parameter optimization
echo 'fs.file-max = 2097152' >> /etc/sysctl.conf

# User limits optimization
echo '* soft nofile 1048576' >> /etc/security/limits.conf
echo '* hard nofile 1048576' >> /etc/security/limits.conf

# Network parameter optimization
cat >> /etc/sysctl.conf <<EOL

# TCP improvements to enhance network performance
net.core.wmem_max = 12582912
net.core.rmem_max = 12582912
net.ipv4.tcp_rmem = 10240 87380 12582912
net.ipv4.tcp_wmem = 10240 87380 12582912
net.ipv4.tcp_window_scaling = 1
net.ipv4.tcp_max_syn_backlog = 8096
net.ipv4.tcp_slow_start_after_idle = 0
net.ipv4.tcp_tw_reuse = 1
net.ipv4.ip_local_port_range = 10240 65535
EOL

# Apply sysctl settings without rebooting
sysctl -p

# Enable BBR for TCP congestion control
echo 'net.core.default_qdisc=fq' >> /etc/sysctl.conf
echo 'net.ipv4.tcp_congestion_control=bbr' >> /etc/sysctl.conf
sysctl -p

echo "Optimizations complete. Please reboot your server to apply all changes."