55 lines
1.6 KiB
Bash
55 lines
1.6 KiB
Bash
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#!/bin/bash
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# Alpine Linux optimization script for Archipelago
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# Optimizes system settings for container workloads
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set -e
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echo "⚡ Optimizing Alpine Linux for container workloads..."
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# CPU Governor - set to performance for better container performance
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if [ -f /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor ]; then
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echo "performance" > /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor 2>/dev/null || true
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fi
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# I/O Scheduler - use deadline or none for SSDs
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if command -v lsblk >/dev/null 2>&1; then
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for disk in $(lsblk -d -o NAME -n); do
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if [ -f "/sys/block/$disk/queue/scheduler" ]; then
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# Prefer none (for NVMe) or deadline (for SATA SSD)
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if grep -q "none" "/sys/block/$disk/queue/scheduler"; then
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echo none > "/sys/block/$disk/queue/scheduler" 2>/dev/null || true
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elif grep -q "deadline" "/sys/block/$disk/queue/scheduler"; then
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echo deadline > "/sys/block/$disk/queue/scheduler" 2>/dev/null || true
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fi
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fi
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done
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fi
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# Increase file descriptor limits
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cat >> /etc/security/limits.conf <<EOF
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* soft nofile 65536
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* hard nofile 65536
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root soft nofile 65536
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root hard nofile 65536
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EOF
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# Optimize network settings for container networking
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cat >> /etc/sysctl.conf <<EOF
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# Container networking optimizations
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net.core.somaxconn = 4096
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net.ipv4.tcp_max_syn_backlog = 4096
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net.core.netdev_max_backlog = 5000
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net.ipv4.ip_local_port_range = 1024 65535
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# Container storage optimizations
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vm.swappiness = 10
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vm.dirty_ratio = 15
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vm.dirty_background_ratio = 5
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EOF
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# Apply sysctl settings
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sysctl -p >/dev/null 2>&1 || true
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echo "✅ Alpine optimization complete!"
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