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Monitoring resource limits in cPanel

Shared and reseller hosting accounts use CloudLinux to monitor and regulate resource usage. This ensures fair distribution of server resources and helps maintain stability. cPanel provides tools to view when your account has hit resource limits and what processes caused it.

Why Monitor Resource Limits?

Section titled “Why Monitor Resource Limits?”
  • Detect when your site is consuming too much CPU, memory, or I/O.
  • Identify problematic scripts or database queries.
  • Prevent downtime caused by exceeding limits.
  • Optimize performance and avoid account suspension.

Steps to Monitor Resource Limits

Section titled “Steps to Monitor Resource Limits”

  1. Log in to cPanel.

  2. On the Tools page → Metrics section, click Resource Usage.

  3. cPanel displays a summary:

    • No issues in the past 24 hours → Your account did not trigger limits.
    • Your site has been limited → At least one resource limit was triggered.
    • Your site might hit limits soon → Warning that usage is approaching thresholds.

  4. Click Details or the Current Usage tab to view graphs and tables.

    • Adjust Timeframe and Time Unit to analyze different intervals.
    • Use the Snapshot tab to view specific times when limits were exceeded.

Example Snapshot

Section titled “Example Snapshot”

  • Process List tab shows:

    • PID → Process ID.
    • CMD → Command executed.
    • CPU → CPU usage percentage.
    • MEM → Memory usage in MB.

  • Example:

    bad_script.php exceeded CPU capacity twice (102% and 101%)

  • This helps pinpoint inefficient scripts or queries.