Tuning Linux for Performance - I Wanna Go Fast! - Anthony Nocentino - PSConfEU 2023

You're thinking about moving applications to Linux, but you want to know how performance tuning works. In this session, we'll introduce you to tuning the Linux operating system. We'll show specific configurations for performance best practices for CPU, disk, and memory settings. We will live-tune a system and show the impact before and after making changes.

Chapters:
00:00:00 Tuning Linux for Performance - I Wanna Go Fast! - Anthony Nocentino - PSConfEU 2023
00:00:07 Introduction: Tuning Linux for Performance
00:02:00 Exploring Power Management and Its Impact on Performance
00:04:05 Understanding Read-Ahead and its Role in File Systems
00:08:37 Introduction to TuneD and its installation on various platforms
00:10:29 Exploring the configuration files in TuneD
00:16:33 The importance of turtle button and c states in power management
00:25:42 Improved Performance: Reducing Runtime by 20 Seconds
00:26:30 Pre-allocating memory for faster performance
00:27:20 Understanding the difference between active and non-active memory
00:29:29 Allocating excessive memory and observing system performance impact
00:30:17 Swapping and memory overload
00:32:09 Configuring ToonD profile for optimized performance
00:32:55 Fine-tuning kernel scheduler for disk transactions
00:35:24 Configuring specific file system settings in FS tab
00:36:47 Introduction to Access Time and Modifier Time
00:38:35 Restarting the System for a Clean State
00:39:16 Windows settings parity and feature comparison
00:40:15 Potential Exposure: Where would they be exposed?
00:40:47 Questioning the Read Ahead Setting: 4KB vs 8KB
00:41:29 Manipulating the size of the in-memory page