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LinkedIn Learning

Linux Performance Tuning

via LinkedIn Learning

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Overview

Learn Linux performance tuning. Discover how to determine bottlenecks, find resource usage information, and improve the performance of Linux systems.

Syllabus

Introduction
  • Welcome
  • What you should know
1. Performance Overview
  • What do we mean by performance?
  • Timing techniques
  • Timing techniques solution
  • The proc filesystem
  • Packages for performance
  • Performance Co-Pilot and Tuna
  • SystemTap and Berkeley Packet Filter
2. CPU Bottlenecks
  • top for CPU usage
  • sar for CPU
  • /proc/cpuinfo
  • Scheduling: nice, priorities, and process classes
  • Throughput vs. response time
  • The Linux kernel and responsiveness
3. Memory Bottlenecks
  • What is a memory leak?
  • /proc/meminfo, free, and swap space
  • top and htop for memory usage
  • CPU caches and page caches
  • Page sizes and page faults
  • Challenge: Finding memory bottlenecks
  • Solution: Finding memory bottlenecks
4. Disk Bottlenecks
  • Hard disks and SSD behavior
  • sar and atop tools and disk utilization
  • Filesystem types and performance
  • Challenge: Disk bottlenecks
  • Solution: Disk bottlenecks
Conclusion
  • Next steps

Taught by

Kevin Dankwardt

Reviews

4.6 rating at LinkedIn Learning based on 92 ratings

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