Pro SQL Server Wait Statistics

✍ Scribed by Enrico van de Laar

• Publisher: Apress
• Year: 2015
• Tongue: English
• Leaves: 322
• Edition: 1
• Category: Library

✦ Synopsis

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

Introduction

Part I: Foundations of Wait Statistics Analysis

1. How Wait Statistics are Generated

2. Querying Wait Statistics

3. Building a Solid Baseline

Part II: Wait Types

4. CPU Wait Types

5. I/O Wait Types

6. Backup Wait Types

7. Lock Wait Types

8. Latch Wait Types

9. High-Availability and Disaster Recovery Wait Types

10: Preemptive Wait Types

11: Background and Miscellaneous Wait Types

12. Chapter 12

13: Appendix A

14. Appendix B

15. Appendix C

✦ Table of Contents

Front Matter....Pages i-xxv
Front Matter....Pages 1-1
Wait Statistics Internals....Pages 3-20
Querying SQL Server Wait Statistics....Pages 21-45
Building a Solid Baseline....Pages 47-67
Front Matter....Pages 69-69
CPU-Related Wait Types....Pages 71-96
IO-Related Wait Types....Pages 97-134
Backup-Related Wait Types....Pages 135-144
Lock-Related Wait Types....Pages 145-170
Latch-Related Wait Types....Pages 171-205
High-Availability and Disaster-Recovery Wait Types....Pages 207-225
Preemptive Wait Types....Pages 227-246
Background and Miscellaneous Wait Types....Pages 247-267
In-Memory OLTP–Related Wait Types....Pages 269-283
Example SQL Server Machine Configurations....Pages 285-288
Spinlocks....Pages 289-292
Latch Classes....Pages 293-300
Back Matter....Pages 301-308

✦ Subjects

Database Management