Pro.SQL.Server.Wait.Statistics.1484211405下载

Pro SQL Server Wait Statistics is a practical guide for analyzing and troubleshooting SQL Server performance using wait statistics. Whether you are new to wait statistics, or already familiar with them, this book will help you gain a deeper understanding of how wait statistics are generated and what they can mean for your SQL Server’s performance. Besides the most common wait types, Pro SQL Server Wait Statistics goes further into the more complex and performance threatening wait types. The different wait types are categorized by their area of impact, and include CPU, IO, Lock, and many more different wait type categories. Filled with clear examples, Pro SQL Server Wait Statistics helps you gain practical knowledge of why and how specific wait times increase or decrease, and how they impact your SQL Server’s performance. What you’ll learn How wait Statistics are generated by SQL Server Script examples for analyzing and tuning wait statistics How to lower, or even eliminate, wait times that hurt performance How to query wait statistics information from Dynamic Management Views How to build reliable and solid wait statistics baselines from which to detect performance issues Who this book is for Pro SQL Server Wait Statistics is the perfect guide for SQL Server DBAs wanting to troubleshoot and optimize SQL Server database installations. The book is also of interest to database developers who are serious about developing highly-performant applications and reporting systems. Table of Contents Part I: Foundations of Wait Statistics Analysis 23 Chapter 1: Wait Statistics Internals Chapter 2: Querying SQL Server Wait Statistics Chapter 3: Building a Solid Baseline Part II: Wait Types Chapter 4: CPU-Related Wait Types Chapter 5: IO-Related Wait Types Chapter 6: Backup-Related Wait Types Chapter 7: Lock-Related Wait Types Chapter 8: Latch-Related Wait Types Chapter 9: High-Availability and Disaster-Recovery Wait Types Chapter 10: Preemptive Wait Types Chapter 11: Background and Miscellaneous Wait Types Chapter 12: In-Memory OLTP–Related Wait Types Appendix I: Example SQL Server Machine Configurations Appendix II: Spinlocks Appendix III: Latch Classes