Book Image

Microsoft SQL Server 2012 Performance Tuning Cookbook

Book Image

Microsoft SQL Server 2012 Performance Tuning Cookbook

Overview of this book

As a DBA you must have encountered a slow running application on SQL Server, but there are various factors that could be affecting the performance. If you find yourself in this situation, don't wait, pick up this book and start working towards improving performance of your SQL Server 2012. SQL Server 2012 Performance Tuning Cookbook is divided into three major parts -- Performance Monitoring, Performance Tuning, and Performance Management--that are mandatory to deal with performance in any capacity. SQL Server 2012 Performance Tuning Cookbook offers a great way to manage performance with effective, concise, and practical recipes. You will learn how to diagnose performance issues, fix them, and take precaution to avoid common mistakes. Each recipe given in this book is an individual task that will address different performance aspects to take your SQL Server's Performance to a higher level.The first part of this book covers Monitoring with SQL Server Profiler, DTA, System statistical function, SPs with DBCC commands, Resource Monitor & Reliability, and Performance Monitor and Execution Plan. The second part of the book offers Execution Plan, Dynamic Management Views, and Dynamic Management Functions, SQL Server Cache and Stored Procedure Recompilations, Indexes, Important ways to write effective TSQL, Statistics, Table and Index Partitioning, Advanced Query tuning with Query Hints and Plan Guide, Dealing with Locking, Blocking and Deadlocking and Configuring SQL Server for optimization to boost performance.The third and final part gives you knowledge of performance management with help of Policy Based Management and Management with Resource Governor.
Table of Contents (28 chapters)
Microsoft SQL Server 2012 Performance Tuning Cookbook
Credits
About the Authors
Acknowledgement
Acknowledgement
About the Reviewers
www.PacktPub.com
Preface
Index

Introduction


With the inception of SQL Server 2005, Microsoft has introduced a very helpful feature in SQL Server known as Dynamic Management Views(DMV) and Dynamic Management Functions(DMF). These views and functions are used to retrieve internal statistics of an SQL Server instance for performance monitoring. They provide real-time statistics about a variety of the internal working details of the SQL Server that can be used for performance analysis to identify performance bottlenecks and hardware bottlenecks, and tune the performance of SQL Server. Some of the performance issues can be identified and the necessary steps to be taken can be determined easily just by looking at the statistics returned by DMVs and DMFs. This feature is a real blessing for database administrators.

All DMVs and DMFs are located in the sys schema and all DMVs and DMFs have a common naming convention, which is dm_*. This prefix is generally followed by a category prefix to which a DMV or DMF belongs, which is...