Visão Geral

Este Curso Linux Performance Tuning and Analysi, atende às necessidades de administradores de sistemas Linux avançados, expandindo seu conhecimento sobre o funcionamento central do Linux. Teorias e metodologias são abordadas para ajuste, monitoramento de desempenho e análise de desempenho do sistema operacional Linux.

Objetivo

Após realizar este Curso Linux Performance Tuning and Analysi, você será capaz de:

• Aprenda princípios e métodos de ajuste do sistema
• Entenda a arquitetura Linux
• Use ferramentas de benchmark de sistema e rede para compreender os recursos do sistema
• Diagnosticar problemas complexos de desempenho e funcionais do sistema
• Aprenda a criar perfis de hardware e aplicativos do sistema
• Analise o desempenho do sistema para identificar padrões
• Aprenda métodos de monitoramento remoto do sistema

Pre-Requisitos

• É necessário um conhecimento intermediário do sistema operacional Linux. ou ter parcitipado do cursos Linux Fundamental

Materiais

Conteúdo Programatico

Tuning Principles & the USE Method

1. What is Performance Tuning?
2. Performance Tuning Methodology
3. Model System
4. Establish a Baseline
5. Establish Performance Targets
6. Identify Bottleneck
7. Tune
8. Measure, Monitor, Evaluate, and Repeat?
9. Final Thoughts
10. The USE Method
11. Gathering USE Metrics

Lab Tasks

1. Determining the System’s Configuration
2. USE Method: CPU
3. USE Method: Memory
4. USE Method: Network
5. USE Method: Storage I/O & Capacity

Linux Internals Review

1. The Linux Operating System Components
2. Open Standards
3. Memory Layout
4. Important Kernel Threads
5. Device Files in Linux
6. Managing Linux Device Files
7. udev
8. Random Numbers and /dev/random
9. Block Devices and the Device Mapper
10. List Block Devices
11. SCSI Devices
12. File Systems with Linux
13. Hardware Discovery Tools
14. Cache and Write Barriers
15. Advanced LVM: Components & Object Tags
16. Advanced LVM: Automated Storage Tiering
17. Advanced LVM: Thin Provisioning
18. Advanced LVM: Striping & Mirroring
19. Advanced LVM: RAID Volumes
20. Kernel Modules

Lab Tasks

1. Adjusting Kernel Options
2. Linux Kernel Driver Compilation

Linux Userspace Architecture

1. systemd System and Service Manager
2. Using systemd
3. Security Model Overview

Lab Tasks

1. Managing Services with Systemd’s systemctl
2. Setting Limits with the pam_limits Modules
3. Operation of the setuid() and capset() System Calls

Log File Administration

1. System Logging
2. systemd Journal
3. systemd Journal’s journalctl
4. Secure Logging with Journal’s Log Sealing
5. gnome-system-log
6. Rsyslog
7. /etc/rsyslog.conf
8. Log Management
9. Log Anomaly Detector
10. Sending logs from the shell

Lab Tasks

1. Using the systemd Journal
2. Setting up a Full Debug Logfile

Monitoring & Troubleshooting

1. Viewing Processes
2. System Status – Memory
3. System Status – I/O
4. System Status – CPU
5. Performance Trending with sar
6. Determining Service to Process Mapping
7. Analyzing Process Memory Usage with pmap
8. Real-time Monitoring of Resources — Cgroups
9. strace and ltrace
10. lsof and fuser
11. ss/netstat and rpcinfo
12. tcpdump and wireshark

Lab Tasks

1. Process Related Tools
2. System Activity Reporter
3. Cgroup for Processes
4. Analyzing Memory Usage

Benchmark Tools

1. Benchmark Tools
2. Disk/Filesystem Benchmarks
3. Network Benchmarks
4. Phoronix Test Suite

Lab Tasks

1. Benchmarking Disk and Filesystem
2. Bonnie++ Visualizatio

Systemtap

1. SystemTap Overview
2. SystemTap Features
3. SystemTap Requirements
4. Invoking SystemTap
5. The 5 passes of stap
6. SystemTap Probe Point Syntax
7. SystemTap Probe Modes
8. SystemTap Probe Points
9. SystemTap process Probes
10. Listing and Using Probe Points
11. Built-in SystemTap Functionality
12. SystemTap Example Repositories
13. SystemTap Advanced Example
14. SystemTap Documentation

Lab Tasks

1. System Tap Intro
2. System Tap
3. Creating SystemTap Scripts
4. SystemTap One-liners & Histograms

Performance Co-Pilot

1. Performance Co-Pilot Introduction
2. PCP Architecture
3. PCP Performance Metrics
4. PCP Installation
5. PCP Performance Monitoring
6. PCP Centralized Logging
7. PCP Inference Engine
8. PCP Deployment Strategies
9. PCP Advanced Topics

Lab Tasks

1. Performance Co-Pilot Introduction
2. Live Monitoring with pmchart
3. Install Web Monitoring Tools

Remote Metric Gathering with SNMP

1. SNMP Overview
2. SNMP Operation – Query
3. MIBs and OID Namespace
4. SNMP Security
5. SNMP for Linux

Lab Tasks

1. SNMP

Linux perf

1. perf Overview
2. perf Commands Typical Workflow
3. perf Events
4. perf stat
5. perf record
6. perf report

Lab Tasks

1. Perf

Linux Tunables

1. Operating System Tuning Caveats
2. Consider OS (or Kernel) Upgrade
3. Tuning CPU – NUMA
4. Tuning CPU – Scheduling
5. Huge Memory Pages
6. Tuning Virtual Memory Manager
7. Tuning Virtual Memory Manager (cont.)
8. Dropping Caches
9. I/O Scheduler
10. Tuning Filesystems
11. Tuning Filesystems (cont.)
12. Network Tuning
13. tuned