Performance testing technical meeting

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Published on April 22, 2014

Author: akbollinger

Source: slideshare.net

Description

This presentation guides through the business and technical preparation meeting as part of a application performance testing project. Goals, Objectives, KPIs, Monitoring and Workload are among the subjects discussed

Customer Performance Tester Collaborative Phase I: Planning Project Meeting Technical Meeting Data Flow Diagram Infrastructure Diagram Technical Questionnaire Understand Customer Environment Understand Customer Application Verify Expectations Understand PT Methodology Establish PTKPI’s Create Performance Test Plan Output Business Process to Infra Mapping Business Processes The Performance Testing Process

Output Phase II: Setup & Script Development PT Environment Environment Analysis & Data Preparation Development & Validation Estimate Injector Requirements Setup Controllers & Injectors Identify PTE location (on site) Assist PTE setup (on site) Analyze Environment Monitoring Analyze Required Data Develop Test Scripts Develop Specialized Scripts Assist with Information Obtain Required DataComplete PTE setup Completed Test Scripts Validated PTE & Test Scripts Setup Monitoring Customer Performance Tester Collaborative The Performance Testing Process

Phase III: Performance Testing Sessions Initial Baseline Final BaselineSessions Collaborative Input Collaborative Input Collaborative Input Session Goals Lead Session Produce Summary Report Conduct Session De-Brief De-Brief Session Final Baseline Create Final Summary Report Initial Baseline Output Customer Performance Tester Collaborative The Performance Testing Process

The Performance Testing Project Phase I: Planning Phase III: Performance Testing Session (PTS) Phase II: Preparation and Scripting

Phase I: Planning  Define the goals  Business goals (Business Key Performance Indicators) ○ Define measurable goals for the performance of the application, for example:  The system needs to create X number of orders per hour with a response time per page of less than Y seconds in 95% of all cases.  IT goals (Technical Key Performance Indicators) ○ In addition to the business goals there can be IT specific goals, for example:  The bandwidth utilization should not exceed 8 mbps

Phase I: Planning  Define the Test Key Performance Indicators  Test Key Performance Indicators (TKPI’s) are used to measure the goal achievements, for example: ○ Response Time ○ Throughput ○ Utilization ○ Efficiency  Define the scope  Define which part of the application/service to test  Define which 3rd part service to include/exclude  Define the timeline

Phase II: Preparation  Application assessment  Business Processes  Scenario ○ Think time ○ Iteration ○ User distribution  Data Flow (in combination with Infrastructure Assessment)  Infrastructure assessment  Technical Questionnaire ○ Physical Access to the application ○ Monitoring ○ Data Flow

Phase II: Preparation  Data assessment  Volume data  Unique data  One time data  Reusable data  Asses the impact of  Write  Update  Delete

Phase II: Setup Monitoring Infrastructure

Phase III: PVS Session

Phase III: Analysis and Reporting  Summary Report for each performance test – KPI achievement – Changes since last test – Issues and bottlenecks  Analysis tool  Session data collected with Performance Center  De-brief

Phase III: Performance Testing Cycle Phase I: Planning Phase II: Preparation Phase III: Execution

Phase II: Preparation Application Assessment Infrastructure Assessment

Phase II: Application Assessment Analyze current or planned application usage Translate the business processes into scripts Define the think time and iteration pace Define the percentage user distribution Test the scenario against the plan Define the business processes

Phase II: Application Assessment  What key business functions are used ?  E.g. Submit Order, Search Products  What is the application flow for an end user to perform these business functions ?  E.g. “Go to homepage”, “Log-in”, “Enter Search Criteria”, “Click Submit”  What is the frequency of these business functions ?  E.g. 100 submitted orders per hour Step1: Analyze the current or planned usage “Use those business functions for load testing that generate 80% of the value.”

Phase II: Application Assessment Step1: Define the business process

Phase II: Application Assessment Step2: The business process is translated into a program

Phase II: Application Assessment  Think time and iteration pace Step3: Define the Scenario PacingRT TT TTRT RT TT Iteration Response Time Think Time

Phase II: Application Assessment  Percentage user distribution Business Process Name Percentage bp01_Transfer Funds 24 % bp02_DisplayTransactionDetails 67 % bp03_MakePayment 9 % Step3: Define the Scenario

Phase II: Infrastructure Assessment System Landscape (Scope) System Monitoring Domain specific Monitoring Resource Monitoring Domains

Phase II: Infrastructure Assessment Define System and Domain specific monitoring Work on the response time breakdown Draw the system landscape

Phase III: Performance Validation Session Performance test run Analysis and reporting Script calibration

Phase III: Performance test run

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