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Linux Performance Tuning (LFS426)
Course Description
Overview
Keeping your Linux systems running optimally is a mission-critical function for most Linux IT professionals. This course will teach you the appropriate tools, subsystems, and techniques you need to get the best possible performance out of Linux.Objectives
Audience
Prerequisites
-
Students should be experienced Linux users. Familiarity with local system administration concepts covered in LFS301 Linux System Administration is required.
Topics
- Linux Foundation
- Linux Foundation Training
- Linux Foundation Certifications
- Linux Foundation Digital Badges
- Laboratory Exercises, Solutions and Resources
- Distribution Details
- Labs
- Methodology
- Optimization Process
- Investigation Tools
- Labs
- Performance Benchmarks
- Synthetic Benchmarks
- Application Benchmarks
- Labs
- Tuning Concepts
- Kernel Tunables
- Kernel Parameters
- Application Interfaces
- tuned
- Hardware Tunables
- Labs
- /proc Filesystem
- Command-line Utilities
- Performance Data Collection
- Nagios
- Ganglia
- Kernel Monitoring
- Labs
- Performance Monitoring
- Counters
- Performance Ratios
- Kernel vs Application Profiling
- oprofile
- Perf
- Available perf events
- Acquiring Performance Data with perf
- Monitoring Performance from Within the Application
- User Space Performance Monitoring with gprof
- Labs
- User Space Tracing
- strace
- Library Tracing
- Kernel Tracing
- ftrace
- SystemTap
- Tracing Applications with SystemTap
- Labs
- CPU Concepts and Architecture
- CPU-Level Optimizations
- Specialized Instruction Sets
- CPU Topology
- BIOS Settings
- Labs
- Power Management Strategies
- Device Power Management
- CPU Power Saving States
- Frequency Scaling
- Power Management Tools
- Labs
- Design
- Scheduling Policies
- Scheduling Tunable Settings
- CPU Affinity and Isolation
- Interrupt Affinity
- Control Groups
- Labs
- Overview
- Page Lookup Optimization and Huge Pages
- Controlling Swapping from Applications
- Minimizing Faults
- Labs
- CPU Concepts and Architecture
- NUMA Memory Allocation
- NUMA Statistics
- Labs
- Storage Stack Overview
- I/O Scheduler Concepts
- I/O Scheduler Algorithms
- Hardware Considerations
- Tuning Storage Devices
- Labs
- Major Filesystem Choices
- Ext3/4 Journaling Modes
- Filesystem Attributes
- Labs
- Network File System (NFS)
- NFSv4
- pNFS
- Labs
- Software RAID Refresher
- RAID Levels
- RAID configuration
- Logical volumes
- Volumes and Volume Groups
- Creating Logical Volumes
- Raw Devices
- Asynchronous I/O
- Labs
- iostat
- iotop
- blktrace
- blkparse
- btrace
- btt
- blkiomon
- Labs
- Network Stack Overview
- Optimizing for Latency and Throughput
- Network Interface Hardware Settings
- Offloading Techniques
- TCP Optimization
- Monitoring and Diagnostic Tools
- Labs
- Virtualization Overview
- Disk Considerations
- Network Considerations
- Labs
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Self-Paced Training Info
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- Same in-demand topics as instructor-led public and private classes.
- Standalone learning or supplemental reinforcement.
- e-Learning content varies by course and technology.
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