How do you diagnose a server experiencing performance issues?
A troubleshooting question covering system monitoring, logs, and resource analysis.
Why Interviewers Ask This
Real-world IT roles require systematic debugging skills. This evaluates your ability to isolate bottlenecks using tools and logical deduction.
How to Answer This Question
Start with high-level checks (CPU, memory, disk, network). Use tools like top, htop, iostat, netstat. Check system logs (syslog, event viewer). Identify if the issue is hardware-related or application-specific. Propose remediation steps.
Key Points to Cover
- Resource monitoring
- Process identification
- Log analysis
- Remediation strategy
Sample Answer
First, I would check system resources using commands like top or htop to see CPU and memory usage. If high, I'd investigate which processes are consuming resources. Next, I'd check disk I/O with iostat and network connec…
Common Mistakes to Avoid
- Jumping to conclusions
- Ignoring logs
- Not checking network
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