Getting Started with SQL Server Performance Tuning.pdf
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The document outlines a presentation on performance tuning led by John Sterrett at the Jacksonville SQL Saturday event. It covers key topics such as identifying performance problems, understanding execution plans, and indexing strategies, alongside practical demonstrations of tools for troubleshooting SQL Server issues. The session aims to equip attendees with fundamental processes and skills for improving database performance.
Getting Started with SQL Server Performance Tuning.pdf
- 1. Jacksonville 2022 #1022 #SQLSatJax Back to Basics: Getting Started with Performance Tuning John Sterrett CEO & Principal Consultant Procure SQL
- 2. Thank you to ALL of our sponsors! - Be sure to stop by all tables! Platinum Gold Silver In-Kind Jacksonville 2022 #1022
- 3. #SQLSatJax Monthly Meetings 3rd Wednesday of each month jssug.org
- 5. 501 Legion Charitable Donation Thank the 501 Legion for Supporting Our Event! JSSUG Will Match Donations up to $500 Donation Bucket on Registration Table
- 6. Jacksonville 2022 #1022 John CEO & Principal Consultant [email protected] @JohnSterrett https://www.linkedin.com/in/johnsterrett Procure SQL LLC John's experience leading large technical teams in complex environments has made him a global expert in performance and scalability. John speaks at conferences around the world on database strategy and topics related to performance tuning, development, and cloud computing. He is a Microsoft Certified Trainer and the principal consultant and founder at Procure SQL Sterrett
- 7. #PASSDataCommunitySummit Goal of Today’s Session Arm anyone who is new to performance tuning with processes and skills to identify and solve some common performance problems.
- 8. #SQLSatJax Jacksonville 2022 #1022 Find Your Top Offenders Today’s Agenda Understanding Execution Plans Basics Index Framework to Improve Performance
- 9. #SQLSatJax Jacksonville 2022 #1022 The Typical Intro to Performance Tuning
- 10. #SQLSatJax Jacksonville 2022 #1022 Time T1 : Resource not available (Suspended Query) T2: Resource Now Available. Back in schedule queue. (Runnable State) T3: Continue Processing (Resources acquired and scheduled to run) T3-T2 Signal Wait Time (Have resource waiting to be scheduled to run) T3-T1 Wait Time (Total waiting from needing a resource to running again) Basic Query Runtime Running Suspended Runnable
- 11. #SQLSatJax Jacksonville 2022 #1022 Meet the SQL Server Bottlenecks 11 Photos: http://www.flickr.com/photos/kaiban/5159888367/lightbox/ and http://www.flickr.com/photos/moodog/504456253 and http://www.flickr.com/photos/marksze/4231115464 and http://www.flickr.com/photos/vvvracer/5264339383 and http://www.flickr.com/photos/iphil_photos/4962369046 MEMORY DISK CPU NETWORK LOCKING, BLOCKING & DEADLOCKS
- 12. #SQLSatJax Jacksonville 2022 #1022 Performance Problems NOW! When Do Top Offenders Matter? Root Cause Analysis (RCA) Previous Performance Problem Improve A Processes Performance Migrations / Consolidation / Long Term
- 14. #PASSDataCommunitySummit DEMO XEvents for Identify Top Offenders for A Process
- 16. #SQLSatJax Jacksonville 2022 #1022 Intro to Execution Plans
- 17. #SQLSatJax Jacksonville 2022 #1022 Cost and Thick Lines
- 18. #SQLSatJax Jacksonville 2022 #1022 Key Lookups
- 19. #SQLSatJax Jacksonville 2022 #1022 Implicit Conversions
- 21. #PASSDataCommunitySummit DEMO Three things to easily identify in Execution Plans
- 22. #SQLSatJax Jacksonville 2022 #1022 • Identify Tables in Query • Identify Columns being Selected • Identify filters (HINT JOIN and WHERE) • Find total rows for each table used in the Query • Find selectivity (rows with filter / table rows) • Enable statistics io, time and the actual execution plan. • Run the Query and document your findings • Review existed indexes for filters and columns selected • Add index for lowest selectivity adding the selected columns as included columns • Run the Query again and document your findings. • Compare findings with baseline. • Repeat last four steps as needed. Indexing Tuning Process
- 24. #SQLSatJax Jacksonville 2022 #1022 sp_WhoIsActive Free Tools for your Troubleshooting Toolbelt Sp_BlitzIndex Query Store Extended Events
- 25. Session evaluation Your feedback is important to us Please fill out your session evaluation and hand to speaker! Jacksonville 2022 #1022 #SQLSatJax
- 26. Thank you to ALL of our sponsors! - Be sure to stop by all tables! Platinum Gold Silver In-Kind Jacksonville 2022 #1022
- 27. Thank you Jacksonville 2022 #1022 #SQLSatJax John Sterrett @JohnSterrett [email protected] http://johnsterrett.com/contact-me