Getting Started with SQL Server Performance Tuning.pdf
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Getting started with SQL Server Performance tuning. This session assumes you have never done any performance tuning before.
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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 John@ProcureSQL.com @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 John@procuresql.com http://johnsterrett.com/contact-me