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Pro SQL Server 2022 Wait Statistics - A Practical Guide to Analyzing Performance in SQL Server and Azure SQL Database (Paperback, 3rd ed.)
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Pro SQL Server 2022 Wait Statistics - A Practical Guide to Analyzing Performance in SQL Server and Azure SQL Database (Paperback, 3rd ed.)
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Use this practical guide to analyze and troubleshoot SQL Server
performance using wait statistics. You'll learn to identify
precisely why your queries are running slowly. And you'll know how
to measure the amount of time consumed by each bottleneck so you
can focus attention on making the largest improvements first. This
edition is updated to cover analysis of wait statistics current
with SQL Server 2022. Whether you are new to wait statistics, or
already familiar with them, this book provides a deeper
understanding on how wait statistics are generated and what they
mean for your SQL Server instance's performance. The book goes
beyond the most common wait types into the more complex and
performance-threatening wait types. You'll learn about per-query
wait statistics and session-based wait statistics, and the types of
problems they can help you solve. The different wait types are
categorized by their area of impact, including CPU, IO, Latching,
Locking, and many more. Clear examples are included to help you
gain practical knowledge of why and how specific wait times
increase or decrease, how they impact your SQL Server's
performance, and what you can do to improve performance. After
reading this book, you won't want to be without the valuable
information that wait statistics provide regarding where you should
be spending your limited tuning time to maximize performance and
value to your business. What You'll Learn Understand how the SQL
Server engine processes requests Identify resource bottlenecks in a
running SQL Server instance Locate wait statistics information
inside DMVs and Query Store Analyze the root cause of sub-optimal
performance Diagnose I/O contention and locking contention
Benchmark SQL Server performance Improve database performance by
lowering overall wait time Who This Book Is For Database
administrators who want to identify and resolve performance
bottlenecks, those who want to learn more about how the SQL Server
engine accesses and uses resources inside SQL Server, and
administrators concerned with achieving-and knowing they have
achieved-optimal performance
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