Linux Performance Monitoring and Analysis – GL325
Course Duration
4 Days
Audience
Employees of federal, state and local governments; and businesses working with the government.
Prerequisites
An intermediate knowledge of the Linux operating system is required. The equivalent knowledge can be found in the GL120 "Linux Fundamentals" and GL250 "Enterprise Linux Systems Administration" courses.
Course Description
This class meets the needs of advanced Linux Systems Administrators expanding their knowledge of core workings of Linux. Theories and methodologies are covered for tuning, monitoring performance, and analyzing the performance of the Linux operating system.
Learning Objectives
- Learn principles and methods of system tuning
- Understand Linux architecture
- Use system and networking benchmark tools for understanding system capabilities
- Diagnose complex performance and functional system problems
- Learn to profile system hardware and applications
- Analyze system performance to identify patterns
- Learn methods of remote system monitoring
Course Outline
- TUNING PRINCIPLES & THE USE METHOD What is Performance Tuning?
- Performance Tuning Methodology
- Model System
- Establish a Baseline
- Establish Performance Targets
- Identify Bottleneck
- Tune
- Measure, Monitor, Evaluate, Repeat?
- Final Thoughts
- The USE Method
- Gathering USE Metrics
- Determining the System's Configuration
- USE Method: CPU
- USE Method: Memory
- USE Method: Network
- USE Method: Storage I/O & Capacity
- LINUX INTERNALS REVIEW The Linux Operating System Components
- Open Standards
- Memory Layout
- Important Kernel Threads
- Device Files in Linux
- Managing Linux Device Files
- udev
- Random Numbers and /dev/random
- Block Devices and the Device Mapper
- List Block Devices
- SCSI Devices
- File Systems with Linux
- Hardware Discovery Tools
- Cache and Write Barriers