System Monitoring And Performance Diagnosis
- 1.The "It's Slow" Starting Point: A Resource-First Diagnostic Mindset
- 2.CPU: Reading Load, Utilization & Run Queues
- 3.Memory: Used, Free, Cached & the "Available" Metric
- 4.Disk I/O: IOPS, Throughput & Latency
- 5.Disk Space: Filling Up, and Where It Actually Went
- 6.Network as a Performance Symptom
- 7.Reading Monitoring Dashboards: Grafana & Cloud Console Metrics at a Glance
- 8.Process-Level Diagnosis: Finding the Specific Culprit
- 9.Sustained vs. Transient Load: When a Spike Isn't a Problem
- 10.Capstone — Triaging Three Real Performance Tickets
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Exercise Solutions
perfdiag1-1_challenge1.txtperfdiag1-1_challenge2.txtperfdiag1-1_challenge3.txtperfdiag1-2_challenge1.txtperfdiag1-2_challenge2.txtperfdiag1-2_challenge3.txtperfdiag1-3_challenge1.txtperfdiag1-3_challenge2.txtperfdiag1-3_challenge3.txtperfdiag1-4_challenge1.txtperfdiag1-4_challenge2.txtperfdiag1-4_challenge3.txtperfdiag1-5_challenge1.txtperfdiag1-5_challenge2.txtperfdiag1-5_challenge3.txtperfdiag1-6_challenge1.txtperfdiag1-6_challenge2.txtperfdiag1-6_challenge3.txtperfdiag1-7_challenge1.txtperfdiag1-7_challenge2.txtperfdiag1-7_challenge3.txtperfdiag1-8_challenge1.txtperfdiag1-8_challenge2.txtperfdiag1-8_challenge3.txtperfdiag1-9_challenge1.txtperfdiag1-9_challenge2.txtperfdiag1-9_challenge3.txtperfdiag1-10_challenge1.txtperfdiag1-10_challenge2.txtperfdiag1-10_challenge3.txt