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Systems Performance, Second Edition, covers concepts, strategy, tools, and tuning for operating systems and applications, using Linux-based operating systems as the primary example. A deep understanding of these tools and techniques is critical for developers today. Implementing the strategies described in this thoroughly revised and updated edition can lead to a better end-user experience and lower costs, especially for cloud computing environments that charge by the OS instance.
Systems performance expert and best-selling author Brendan Gregg summarizes relevant operating system, hardware, and application theory to quickly get professionals up to speed even if theyve never analyzed performance before. Gregg then provides in-depth explanations of the latest tools and techniques, including extended BPF, and shows how to get the most out of cloud, web, and large-scale enterprise systems. Key topics covered include
About the Author
Chapter 1: Introduction
Chapter 2: Methodology
Chapter 3: Operating Systems
Chapter 4: Observability Tools
Chapter 5: Applications
Chapter 6: CPUs
Chapter 7: Memory
Chapter 8: File Systems
Chapter 9: Disks
Chapter 10: Network
Chapter 11: Cloud Computing
Chapter 12: Benchmarking
Chapter 13: perf
Chapter 14: Ftrace
Chapter 15: BPF
Chapter 16: Case Study
Appendix A: USE Method: Linux
Appendix B: sar Summary
Appendix C: bpftrace One-liners
Appendix D: Solutions to Selected Exercises
Appendix E: Systems Performance Who's Who