Pro SQL Server 2022 Wait Statistics: A Practical Guide to Analyzing Performance in SQL Server and Azure SQL Database

This book provides a practical guide to analyzing and troubleshooting SQL Server performance using wait statistics, covering identification of bottlenecks, measurement of time consumed, and understanding of complex wait types. It is updated for SQL Server 2022 and covers per-query and session-based wait statistics, as well as their impact on CPU, IO, Latching, Locking, and more. Clear examples and practical insights help administrators optimize performance and value to their businesses.

Format: Paperback / softback
Length: 402 pages
Publication date: 12 January 2023
Publisher: APress

This practical guide is designed to help you analyze and troubleshoot SQL Server performance using wait statistics, enabling you to identify the exact reasons behind slow query execution. By understanding the amount of time consumed by different bottlenecks, you can prioritize your efforts to make the largest improvements first. This updated edition, covering SQL Server 2022, provides a deeper understanding of how wait statistics are generated and their significance in optimizing SQL Server instances' performance.

The book delves beyond the most common wait types and explores the more complex and performance-threatening wait types. It covers per-query wait statistics and session-based wait statistics, helping you solve problems related to CPU, IO, latching, locking, and other areas of impact. Clear examples are provided to illustrate how specific wait times increase or decrease, how they impact SQL Server's performance, and the steps you can take to improve it.

After reading this book, you will gain valuable insights into where to focus your tuning efforts to maximize performance and value for your business. You will learn how the SQL Server engine processes requests, identify resource bottlenecks in a running instance, locate wait statistics information in DMVs and Query Store, analyze the root cause of sub-optimal performance, diagnose I/O contention and locking contention, benchmark SQL Server performance, and implement performance-improving techniques.

Whether you are new to wait statistics or have some experience with them, this guide will provide you with the knowledge and tools you need to optimize SQL Server performance and achieve better database efficiency.

Weight: 802g
Dimension: 254 x 178 (mm)
ISBN-13: 9781484287705
Edition number: 3rd ed.