Performance improvement method
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The document provides an overview of a seminar on performance improvement methods. It discusses key concepts like understanding the difference between optimization and tuning, the pillars of performance like wait time and resource utilization, and ways to approach performance improvement like using the right methods and avoiding guessing. The performance improvement method discussed takes a holistic view, focusing on what matters to users and business, and avoids "tuning by hacking". It emphasizes being educated on best practices and using diagnostic techniques. An example of SQL tuning is also provided, explaining what it involves from the development, database and hardware perspectives.
Performance improvement method
- 2. Performance Improvement Method A combination of User Experience, Business and IT Seminar on Md Mozammel Hoque DGM-IT mozammel@abulkhairgroup.com +8801919211444 Presentedby From 11:00am to 13:00pm 23 JAN 2021
- 3. • Understand the Power of What and Why of the Performance Improvement Method. Not covered: How to resolve the performance problem. In upcoming professional training program on Performance Optimization and Tuning will be covered gradually. Today’s Agenda
- 4. Becoming a Performance Engineer. Objective
- 5. Literacy comes from self-learning. Path to Upskill Concept Confused Clarify Construct Un-Learn Re-Learn Learn
- 8. Pillar of Performance Performance is only about Time. Time can be analyzed by Wait and IT Resource Utilization: ▪ Active Wait : Busy Time ▪ Passive Wait : Idle Time
- 9. Pillar of Performance Cont. Performance Management Pro-Active Management Re-Active Management Time Management Health Check Management Performance Tuning User-Driven Process Doing things faster Performance Optimization Business Architecture & IT Architecture Getting better, faster
- 10. Way to Performance Improvement Optimization Tuning - Wrong Thing, Right Way = Wrong thing happens - Wrong Thing, Wrong Way = Wrong thing happens - Right Thing, Wrong Way = Right thing may or may not happen Right Thing, Right Way = Right thing happen Effectiveness : Doing the right things (Known) i.e. avoiding “doing the wrong things” Efficiency : Doing things right (Unknown)
- 11. The Performance Big Picture Focus: What Matters & Reflection to User, Business and IT Browser Network App Tier DB Tier Network Network Storage Response Time The main performance factor
- 12. Performance Improvement Method Method Name : Holistic (Overall Method) Included • Mind Time • Clock Time • Maximize the Infrastructure’s Performance following its designed to be used ➢ what is going on inside the technology ➢ how the technology is being used • Avoid and eliminate “tuning” by hacking/guessing/luck • Be educated and educate others about the best performance practices • Diagnostic Techniques, i.e. Debugging, Tracing
- 13. Example What does SQL Tuning Include ?
- 14. SQL Tuning Includes as Method ▪ From Development End o Understanding the application design o Understanding the query logic and code o Understanding the architecture o Understanding connection pools and cursors ▪ From Oracle Database End o Understanding what Oracle does o Trying to help Oracle do something better ▪ From Hardware End o Understanding the impact of resource utilization