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Linux Performance Tuning And Analysis
Duration
4 Days
Course
OSUN-400
Available Formats
Classroom Training, Online Training
Course Description
Overview
This Linux Performance Tuning and Analysis course is designed to provide advanced Linux Systems Administrators an expanded knowledge of the core workings of Linux. Theories and methodologies are covered for tuning, monitoring performance, and analyzing the performance of the Linux operating system.Objectives
Upon completion of the Linux Performance Tuning and Analysis course, students will be able to:
- 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
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.
Topics
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
- LAB TASKS
- Determining the System's Configuration
- USE Method: CPU
- USE Method: Memory
- USE Method: Network
- USE Method: Storage I/O & Capacity
- 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
- Advanced LVM: Components & Object Tags
- Advanced LVM: Automated Storage Tiering
- Advanced LVM: Thin Provisioning
- Advanced LVM: Striping & Mirroring
- Advanced LVM: RAID Volumes
- Kernel Modules
- LAB TASKS
- Adjusting Kernel Options
- Linux Kernel Driver Compilation
- systemd System and Service Manager
- Using systemd
- Security Model Overview
- LAB TASKS
- Managing Services With Systemd's systemctl
- Setting Limits with the pam_limits Modules
- Operation of the setuid() and capset() System Calls
- System Logging
- systemd Journal
- systemd Journal's journalctl
- Secure Logging with Journal's Log Sealing
- gnome-system-log
- Rsyslog
- /etc/rsyslog.conf
- Log Management
- Log Anomaly Detector
- Sending logs from the shell
- LAB TASKS
- Using the systemd Journal
- Setting up a Full Debug Logfile
- Viewing Processes
- System Status - Memory
- System Status - I/O
- System Status - CPU
- Performance Trending with sar
- Determining Service to Process Mapping
- Analyzing Process Memory Usage with pmap
- Real-time Monitoring of Resources — Cgroups
- strace and ltrace
- lsof and fuser
- ss/netstat and rpcinfo
- tcpdump and wireshark
- LAB TASKS
- Process Related Tools
- System Activity Reporter
- Cgroup for Processes
- Analyzing Memory Usage
- Benchmark Tools
- Disk/Filesystem Benchmarks
- Network Benchmarks
- Phoronix Test Suite
- LAB TASKS
- Benchmarking Disk and Filesystem
- Bonnie++ Visualization
- SystemTap Overview
- SystemTap Features
- SystemTap Requirements
- Invoking SystemTap
- The 5 passes of stap
- SystemTap Probe Point Syntax
- SystemTap Probe Modes
- SystemTap Probe Points
- SystemTap process Probes
- Listing and Using Probe Points
- Built-in SystemTap Functionality
- SystemTap Example Repositories
- SystemTap Advanced Example
- SystemTap Documentation
- LAB TASKS
- System Tap Intro
- System Tap
- Creating SystemTap Scripts
- SystemTap One-liners & Histograms
- Performance Co-Pilot Introduction
- PCP Architecture
- PCP Performance Metrics
- PCP Installation
- PCP Performance Monitoring
- PCP Centralized Logging
- PCP Inference Engine
- PCP Deployment Strategies
- PCP Advanced Topics
- LAB TASKS
- Performance Co-Pilot Introduction
- Live Monitoring with pmchart
- Install Web Monitoring Tools
- SNMP Overview
- SNMP Operation - Query
- MIBs and OID Namespace
- SNMP Security
- SNMP for Linux
- LAB TASKS
- SNMP
- perf Overview
- perf Commands Typical Workflow
- perf Events
- perf stat
- perf record
- perf report
- LAB TASKS
- Perf
- Operating System Tuning Caveats
- Consider OS (or Kernel) Upgrade
- Tuning CPU - NUMA
- Tuning CPU - Scheduling
- Huge Memory Pages
- Tuning Virtual Memory Manager
- Tuning Virtual Memory Manager (cont.)
- Dropping Caches
- I/O Scheduler
- Tuning Filesystems
- Tuning Filesystems (cont.)
- Network Tuning
- tuned
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Self-Paced Training Info
Learn at your own pace with anytime, anywhere training
- Same in-demand topics as instructor-led public and private classes.
- Standalone learning or supplemental reinforcement.
- e-Learning content varies by course and technology.
- View the Self-Paced version of this outline and what is included in the SPVC course.
- Learn more about e-Learning
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