Red Hat Enterprise Performance Tuning (RH442)
Red Hat® Enterprise Performance Tuning teaches senior Linux® system administrators about performance tuning for Red Hat Enterprise Linux.
This course discusses system architecture with emphasis on:
- Understanding the implications on system performance
- Methods for testing the effects of performance adjustments
- Open source benchmarking utilities
- Methods for analyzing system and networking performance
- Tuning configurations for specific application loads
This course can also help you prepare for the Red Hat Certified Specialist in Linux Performance Tuning exam (EX442).
Course content summary
- Tuning for use-case scenarios (for example, HPC, large memory, database, and file server)
- Applying tuning profiles with tuned
- Tuning virtual machines (primarily guest, but host is discussed)
- Tuning memory and caches
- Tuning CPU and memory utilization using cgroups (integrated in systemd)
- Gathering performance metrics and other data for tuning purposes
1. Impact on the organization
This course is intended to develop the skills needed to improve infrastructure performance, increase system utilization, reduce downtime, and improve responsiveness to system failures.
2. Impact of this training
As a result of attending this course, students should be able to obtain, analyze, and interpret system performance metrics, which the business can use to increase cost effectiveness, maximize application performance, and make better decisions about investment in hardware or cloud resources.
Students should be able to demonstrate the following skills:
- Describe how key Linux subsystems work
- Interact with applications
- Determine which tuning adjustments are relevant in different situations
- Red Hat Certified Engineer (RHCE®) certification or equivalent experience
- Candidates who have not earned their RHCE can confirm they have the correct skills by passing Red Hat's online skills assessment
Senior Linux system administrators responsible for maximizing resource utilization through performance tuning
1. Configuring the shell environment
- Customize Bash startup and use environment variables, Bash aliases, and Bash functions.
2. Introduction to performance tuning
- Understand the basic principles of performance tuning and analysis.
3. Collecting, graphing, and interpreting data
- Gain proficiency using basic analysis tools and evaluating data.
4. General tuning
- Learn basic tuning theory and mechanisms used to tune the system.
5. Limiting resource usage
- Allocate resources for best performance by limiting resource usage.
6. Hardware profiling
- Understand and analyze hardware.
7. Software profiling
- Analyze CPU and memory performance of applications.
8. Using SystemTap
- Use systemtap for profiling software.
9. Small file tuning
- Tune a server for a workload involving frequent reads and writes of small files.
10. Large memory workload tuning
- Understand memory management and tuning.
11. Tuning for a CPU-intensive workload
- Understand tuning for CPU-bound applications.
12. File server tuning
- Understand storage and network tuning in the context of a file server application.
13. Database server tuning
- Tune memory and network performance using a database application as an example.
14. Power usage tuning
- Tune systems with power consumption in mind.
15. Virtualization tuning
- Tune 'host' and 'guest' for efficient virtualization.
16. Red Hat Performance Tuning Comprehensive Review
- Do a comprehensive overview of the course.
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