Red Hat Certified Specialist in Linux Performance Tuning exam: EX442 Exam

"Red Hat Certified Specialist in Linux Performance Tuning exam", also known as EX442 exam, is a RedHat Certification. With the complete collection of questions and answers, UpdateDumps has assembled to take you through 0 Q&As to your EX442 Exam preparation. In the EX442 exam resources, you will cover every field and category in Red Hat Certified Architect (RHCA) Certification helping to ready you for your successful RedHat Certification.

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RedHat EX442 Exam Syllabus Topics:

SectionObjectives
Tune Memory Utilization- Optimize memory performance
  • 1. Adjust memory-related settings
- Analyze memory usage
  • 1. Identify memory bottlenecks
Tune Network Performance- Optimize network settings
  • 1. Tune network stack and configuration parameters
- Analyze network behavior
  • 1. Measure network throughput and latency
Analyze System and Application Performance- Evaluate application performance
  • 1. Compare application implementations based on performance characteristics
- Analyze processes and applications
  • 1. Use ps and top
  • 2. Use Valgrind
- Trace and diagnose behavior
  • 1. Configure and use SystemTap
  • 2. Use eBPF tools
Tune Running Systems- Control resource usage
  • 1. Manage control groups (cgroups)
- Manage process scheduling
  • 1. Modify process priorities
- Apply tuning profiles
  • 1. Configure and manage tuned profiles
Monitor and Alter Kernel Behavior- Manage kernel runtime parameters
  • 1. Use /sys
  • 2. Use /proc/sys
  • 3. Use sysctl
- Configure kernel modules
  • 1. Modify kernel module parameters
Configure Disk and File Subsystems- Analyze storage performance
  • 1. Evaluate disk I/O behavior
- Tune storage subsystems
  • 1. Optimize file system and storage performance
Use Utilities to Analyze System Behavior- Use Performance Co-Pilot
  • 1. Analyze system behavior with PCP
- Profile hardware configurations
  • 1. Use dmidecode
  • 2. Use sosreport
  • 3. Use dmesg
- Analyze and report system and application behavior
  • 1. Use vmstat, iostat, mpstat, sar, top, powertop, gnome-system-monitor and similar tools
  • 2. Collect and interpret performance metrics

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