qbittorrent-nox.service

[Unit]
Description=qBittorrent Command Line Client
After=network.target

[Service]
Type=simple
User=qbittorrent-nox
Group=qbittorrent-nox
UMask=007
WorkingDirectory=/var/lib/qbittorrent-nox
Environment=HOME=/var/lib/qbittorrent-nox

# Performance optimizations
Nice=-10
IOSchedulingClass=1
IOSchedulingPriority=4
CPUSchedulingPolicy=2
CPUSchedulingPriority=50

# Resource limits - optimized for high-performance VM
LimitNOFILE=1048576
LimitNPROC=32768
LimitCORE=infinity
LimitMEMLOCK=infinity

# Memory settings
MemoryHigh=6G
MemoryMax=7G
MemorySwapMax=0

# CPU settings - allow use of all cores
CPUQuota=800%
CPUWeight=1000

# Network optimizations
IPAccounting=yes

# Security settings (relaxed for performance)
NoNewPrivileges=true
PrivateTmp=false
ProtectSystem=false
ProtectHome=false
ReadWritePaths=/var/lib/qbittorrent-nox

ExecStart=/usr/local/bin/qbittorrent-nox --webui-port=5879
Restart=on-failure
RestartSec=5
StartLimitBurst=3
StartLimitInterval=60

[Install]
WantedBy=multi-user.target