RedHat EX442 exam - in .pdf

EX442 pdf
  • Exam Code: EX442
  • Exam Name: Red Hat Certified Specialist in Linux Performance Tuning exam
  • Q & A: 0 Questions and Answers
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  • Exam Code: EX442
  • Exam Name: Red Hat Certified Specialist in Linux Performance Tuning exam
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  • Exam Code: EX442
  • Exam Name: Red Hat Certified Specialist in Linux Performance Tuning exam
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RedHat EX442 Exam Syllabus Topics:

SectionObjectives
System Performance Analysis- Performance baseline establishment
  • 1. Interpreting system load averages
    • 2. Using historical metrics to identify degradation
      - System resource monitoring and bottleneck identification
      • 1. Memory usage and swap behavior analysis
        • 2. CPU utilization analysis using standard Linux tools
          Disk I/O Performance- Filesystem tuning
          • 1. Mount options optimization
            • 2. Disk scheduler configuration
              - Storage performance analysis
              • 1. Identifying I/O bottlenecks
                • 2. iostat and iotop usage
                  System Profiling and Kernel Tuning- Kernel parameter tuning
                  • 1. cgroups resource management
                    • 2. sysctl configuration
                      - Performance profiling tools
                      • 1. perf and sar usage
                        • 2. Tracing system calls
                          CPU and Process Tuning- Process scheduling and prioritization
                          • 1. CPU affinity and taskset configuration
                            • 2. nice and renice usage
                              - CPU performance optimization
                              • 1. Identifying CPU-bound processes
                                • 2. Load balancing across cores
                                  Network Performance Tuning- Network troubleshooting tools
                                  • 1. ss, netstat, and ip tools usage
                                    • 2. Packet analysis basics
                                      - Network throughput optimization
                                      • 1. TCP tuning parameters
                                        • 2. Bandwidth and latency analysis
                                          Memory Management- Virtual memory tuning
                                          • 1. Kernel memory parameters tuning
                                            • 2. Swap usage optimization
                                              - Memory leak detection
                                              • 1. Process memory profiling
                                                • 2. OOM killer behavior analysis

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