Geek Sync I Practical Performance Tuning with SQL Wait Stats

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This document provides an agenda for a presentation on practical SQL performance tuning using wait statistics. It discusses common performance problems businesses face like slow application response times and timeouts. It then outlines a 7 step process for identifying and resolving bottlenecks by establishing a wait type baseline, identifying problematic waits, resolving issues, and continuing the process until goals are met. Resources for further information on wait stats and SQL performance tools are also provided.

Technology

Practical Performance Tuning
SQL
Wait Stats
Pinal Dave
http://blog.sqlauthority.com

Agenda
Preventive Measures
Getting Started with Waits
Practical Performance Issues
Resources
3
1
2
>
1

Common Performance Problems
Slow Application Response Time
Frequent Timeouts
Intermediate Performance Problems
Data & Workload Growth

Story of Wait Types & Queues
Running
Suspend
ed
Runnable
Query
Response
CPU
Time
Wait Time
Signal
Wait
Time
Query
Respon
se
Waits

7 Steps
Process to Remove Bottleneck
1. Establish Baseline of Wait Types
2. Identify Potential ‘Bad’ Wait Types
3. Resolve Offending Issue
4. Re-Establish Baseline of Wait Types
5. Continue this Process till Baseline Achieved
6. There are few Harmless Wait Types
7. There will be always few TOP Wait Types

http://blog.sqlauthority.com
http://bit.ly/WaitStats
Resources
www.idera.com

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