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Diagnosing CPU and Memory Leaks

What to check before you trust the numbers in top

중급 · Lessons 8 · Lab 2

Curriculum

Reading the CPU

Load Average Is Not CPU Utilisation reading
Measure the slow part, don't guess it lab
CPU Metrics Check quiz

Reading Memory

What RSS, VSZ and PSS Each Measure reading
Break Down a Report of "It's Slow" lab
Memory Metrics Check quiz

I/O and the Rest

Disks and File Descriptors reading
I/O Check quiz

Reference docs