- [Instructor] What should you know to take this course? Well, you need some Linux command-line skills. We're going to do a lot on the command-line, we're going to write some scripts, you're going to be reading some scripts and changing them up, so you need some shell command skills, some scripting. Plus we do some C programming, we look at some C programs. You don't need to know a lot about it, but you need to know some C. Plus you need to understand the computer systems a bit. You need to understand the concepts of CPU, disk, memory, and other resource bottlenecks, 'cause that's what it's all about.
This course is going to be valuable to a system administrator, DevOps, and developers folks that are looking to find out where the performance problems are and how they can improve it.
Author
Released
2/15/2018- Timing techniques
- Packages for performance
- Identifying and optimizing CPU bottlenecks
- Finding memory bottlenecks
- Diagnosing disk bottlenecks
Skill Level Advanced
Duration
Views
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Introduction
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Welcome32s
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1. Performance Overview
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Timing techniques14m 16s
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Timing techniques solution3m 21s
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The proc filesystem7m 58s
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Packages for performance6m 8s
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Performance Co-Pilot and Tuna10m 23s
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2. CPU Bottlenecks
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top for CPU usage1m 43s
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sar for CPU2m 59s
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/proc/cpuinfo2m 18s
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Throughput vs. response time4m 17s
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3. Memory Bottlenecks
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What is a memory leak?6m 53s
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CPU caches and page caches12m 43s
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Page sizes and page faults11m 17s
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4. Disk Bottlenecks
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Hard disks and SSD behavior7m 21s
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Filesystem types and performance10m 16s
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Solution: Disk bottlenecks3m 49s
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Conclusion
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Next steps40s
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Video: What you should know