Linux Performance Tuning (LFS426) Training Course

Introduction

• Linux Foundation
• Linux Foundation Training
• Linux Foundation Certifications
• Linux Foundation Digital Badges
• Laboratory Exercises, Solutions and Resources
• Distribution Details
• Labs

Performance Optimization Principles

• Methodology
• Optimization Process
• Investigation Tools
• Labs

Benchmarking

• Performance Benchmarks
• Synthetic Benchmarks
• Application Benchmarks
• Labs

Tuning Interfaces

• Tuning Concepts
• Kernel Tunables
• Kernel Parameters
• Application Interfaces
• tuned
• Hardware Tunables
• Labs

Monitoring Interfaces

• /proc Filesystem
• Command-line Utilities
• Performance Data Collection
• Nagios
• Ganglia
• Kernel Monitoring
• Labs

Profiling Techniques and Tools

• 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

Tracing Tools

• User Space Tracing
• strace
• Library Tracing
• Kernel Tracing
• ftrace
• SystemTap
• Tracing Applications with SystemTap
• Labs

CPU Subsystem

• CPU Concepts and Architecture
• CPU-Level Optimizations
• Specialized Instruction Sets
• CPU Topology
• BIOS Settings
• Labs

Power Management

• Power Management Strategies
• Device Power Management
• CPU Power Saving States
• Frequency Scaling
• Power Management Tools
• Labs

Process Scheduling

• Design
• Scheduling Policies
• Scheduling Tunable Settings
• CPU Affinity and Isolation
• Interrupt Affinity
• Control Groups
• Labs

Memory Subsystem

• Overview
• Page Lookup Optimization and Huge Pages
• Controlling Swapping from Applications
• Minimizing Faults
• Labs

NUMA Optimizations

• CPU Concepts and Architecture
• NUMA Memory Allocation
• NUMA Statistics
• Labs

I/O Subsystem

• Storage Stack Overview
• I/O Scheduler Concepts
• I/O Scheduler Algorithms
• Hardware Considerations
• Tuning Storage Devices
• Labs

Local Filesystems

• Major Filesystem Choices
• Ext3/4 Journaling Modes
• Filesystem Attributes
• Labs

Network Filesystems

• Network File System (NFS)
• NFSv4
• pNFS
• Labs

Storage and IO

• Software RAID Refresher
• RAID Levels
• RAID configuration
• Logical volumes
• Volumes and Volume Groups
• Creating Logical Volumes
• Raw Devices
• Asynchronous I/O
• Labs

Analyzing the I/O Subsystem

• iostat
• iotop
• blktrace
• blkparse
• btrace
• btt
• blkiomon
• Labs

Network Subsystem Optimization

• Network Stack Overview
• Optimizing for Latency and Throughput
• Network Interface Hardware Settings
• Offloading Techniques
• TCP Optimization
• Monitoring and Diagnostic Tools
• Labs

Virtualization

• Virtualization Overview
• Disk Considerations
• Network Considerations
• Labs