Statistics and Graphs

The VirtFusion panel includes historical resource graphs, useful to understand server load trends and identify anomalies.

• Access VirtFusion panel
• Select your server
• Go to Graphs or Statistics

CPU

Shows CPU usage percentage over time. Constantly high usage (>80%) indicates server under excessive load.

What to look for:

RAM

Shows memory used vs total available.

Note: High RAM usage isn't necessarily problem: Linux uses free RAM as cache. Problem appears when server starts using swap. Guide: High CPU or RAM

Network

Shows inbound (download) and outbound (upload) traffic over time.

What to look for:

Disk (I/O)

Shows read and write operations on disk over time.

What to look for:

• Sudden spikes → anomalous processes or attacks
• Constantly at 100% → need upgrade or optimization
• Normal usage with regular peaks → scheduled cron job or backup
• Anomalous outbound traffic → possible compromised server or misconfiguration
• Very high inbound traffic → potential DDoS attack
• I/O constantly at max → database or apps writing too much, disk nearly saturated
• Regular nightly spikes → normal if you have scheduled backups

Usually can select different time ranges:

• 1 hour: detailed recent view
• 24 hours: daily trend
• 7 days: weekly trend
• 30 days: monthly view

If graphs are empty or not updating:

• Server must be on and running to collect data
• Data updates at regular intervals (usually 1-5 minutes)
• Newly reinstalled server will have empty graphs until enough data collected

Panel graphs show historical data. For real-time resource monitoring inside server, use:

htop        # CPU and RAM in real-time
iotop       # Disk I/O per process
nethogs     # Network traffic per process

Complete guide: Monitor Resources