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Performance Engineering Architect
Suryakanth Kelmani
,
London, United Kingdom
Experience
Other titles
Skills
I'm offering
Performance testing and engineering skills with Jmeter, Grinder, Loadrunner and other monitoring tools such as Wily Introscope, App Dynamics, Dynatrace, NewRelic, Jprofiler, Java core thread dump analysis for performance issues identifications and fixing performance issues at various tiers of the enterprise applications etc ..
Markets
United Kingdom
Industries
Language
English
Fluently
Ready for
Larger project
Ongoing relation / part-time
Full time contractor
Available
My experience
2008 - 2009
job
SAP Performance Test Lead
Southern Water Utilities.
Technology: SAP ECC ISU, SAP BI, Oracle Database, SAP HR ESS/MSS, PI, HP AIX, Solaris.
Tools: Mercury Loadrunner with SAPGUI & SAP Web, Perfmon, Loadrunner Native Monitors
Project: SAP Business Application Suite (BAS)
Project Background: The objective of Performance test is to verify that the SAP Business Application Suite (BAS) systems on both Pre Production and Disaster Recovery meet the performance requirements which ensure smooth delivery and Go Live of the BAS application. The performance test ensures that the technical architecture, hardware & software configuration is capable of providing the required SLAs as defined in the SAP performance bench mark. SAP BAS system consists of SAP modules SD, HR, MM, FI, EP ESS/MSS and PI.
Responsibilities
• Working with business teams and project management to identify & finalize performance test efforts, performance test execution plan.
• Delivered Detailed Performance Test Approach and performance Plan document, test data management, performance test environment setup, injector setup for remote user test.
• Interaction with ITMS team to set up the Performance Test Environment, Interacted with HP to get Loadrunner licenses on rental basis to reduce the cost of the license.
• Worked closely with SAP Basis team, ABAP Team, Infrastructure Team, SAP Consultants and other stake holders. Developed and enhanced a total of 38 LoadRunner scripts for SAPGUI users and Enterprise Portal, lead the performance test team in smooth execution of the project.
Tools: Mercury Loadrunner with SAPGUI & SAP Web, Perfmon, Loadrunner Native Monitors
Project: SAP Business Application Suite (BAS)
Project Background: The objective of Performance test is to verify that the SAP Business Application Suite (BAS) systems on both Pre Production and Disaster Recovery meet the performance requirements which ensure smooth delivery and Go Live of the BAS application. The performance test ensures that the technical architecture, hardware & software configuration is capable of providing the required SLAs as defined in the SAP performance bench mark. SAP BAS system consists of SAP modules SD, HR, MM, FI, EP ESS/MSS and PI.
Responsibilities
• Working with business teams and project management to identify & finalize performance test efforts, performance test execution plan.
• Delivered Detailed Performance Test Approach and performance Plan document, test data management, performance test environment setup, injector setup for remote user test.
• Interaction with ITMS team to set up the Performance Test Environment, Interacted with HP to get Loadrunner licenses on rental basis to reduce the cost of the license.
• Worked closely with SAP Basis team, ABAP Team, Infrastructure Team, SAP Consultants and other stake holders. Developed and enhanced a total of 38 LoadRunner scripts for SAPGUI users and Enterprise Portal, lead the performance test team in smooth execution of the project.
Hardware, Mm, UP, Portal, Go, Native, Enterprise, Production, BEE, Web, Software, Aix, Project Management, Infrastructure, Technology, Test, Architecture, Oracle database, Management, Database, Data management, SAP, Oracle
2007 - 2008
job
SAP Performance Test Lead
National Grid Plc.
Technology: ERP ECC, SAP ISU, SRM, XI, BI, Enterprise Portal Server, Oracle10g, Unix, SAP Client 6.4, Syclo, Click, IE 6.0.
Tools: Mercury Loadrunner with SAPGUI & SAP Web, SiteScope, Native Monitors, Hyperformix Capacity modelling tool
Project: mySAP ERP 2005 Release 1 and Release 2
Project Background: Performance test is to verify that the mySAP ERP system meets specified performance requirements as defined in the Non Functional Requirement document in the areas of Record to Report, Order to Cash, Human Resources and Supply Chain Management work streams including Enterprise Portal System. This approach will enable a gradual identification of potential performance issues, weaknesses and break points of mySAP ERP 2005 project for the Performance test phase in R1 & R2 of the one of the biggest utilities client's Shared Services ERP programme in UK. Carry out the capacity modelling of the system to cover the business risks in terms of future volume growth and plan for the hardware sizing/capacity using Hyperformix tool.
Responsibilities
• Identify scenarios, volumetric, anticipated user load and plan performance testing
• Risk assessment for performance testing for various changes, manage offshore/onsite performance test resources
• Defined & implemented a performance test strategy, approach into a SAP Programme environment.
• Development and updated performance test scripts using Loadrunner 9.0 using SAPGUI, SAPWeb, Citrix.
• Designing Performance test scenarios and test execution to identify bottleneck in the system.
• Creation & management of test data for reference and transactional data.
• Managed and recommend best practice approaches for volume / performance testing and non-functional testing.
• Performance test result analysis for finding the root cause of the problematic transactions/performance bottlenecks at application level, platform level, and system/network layer.
• Expertise in monitoring & configuring the SAP landscape using SAP T codes (ST03, ST04, ST05, STAD and SAP CCMS monitoring tool).
• Producing final test reports containing findings, conclusions and recommendations.
Tools: Mercury Loadrunner with SAPGUI & SAP Web, SiteScope, Native Monitors, Hyperformix Capacity modelling tool
Project: mySAP ERP 2005 Release 1 and Release 2
Project Background: Performance test is to verify that the mySAP ERP system meets specified performance requirements as defined in the Non Functional Requirement document in the areas of Record to Report, Order to Cash, Human Resources and Supply Chain Management work streams including Enterprise Portal System. This approach will enable a gradual identification of potential performance issues, weaknesses and break points of mySAP ERP 2005 project for the Performance test phase in R1 & R2 of the one of the biggest utilities client's Shared Services ERP programme in UK. Carry out the capacity modelling of the system to cover the business risks in terms of future volume growth and plan for the hardware sizing/capacity using Hyperformix tool.
Responsibilities
• Identify scenarios, volumetric, anticipated user load and plan performance testing
• Risk assessment for performance testing for various changes, manage offshore/onsite performance test resources
• Defined & implemented a performance test strategy, approach into a SAP Programme environment.
• Development and updated performance test scripts using Loadrunner 9.0 using SAPGUI, SAPWeb, Citrix.
• Designing Performance test scenarios and test execution to identify bottleneck in the system.
• Creation & management of test data for reference and transactional data.
• Managed and recommend best practice approaches for volume / performance testing and non-functional testing.
• Performance test result analysis for finding the root cause of the problematic transactions/performance bottlenecks at application level, platform level, and system/network layer.
• Expertise in monitoring & configuring the SAP landscape using SAP T codes (ST03, ST04, ST05, STAD and SAP CCMS monitoring tool).
• Producing final test reports containing findings, conclusions and recommendations.
Growth, Portal, Utilities, Native, Enterprise, Server, BEE, Web, Development, Testing, Hardware, Assessment, Monitoring, SAP, Offshore, Supply Chain Management, Network, Technology, Test, Citrix, Management, Supply chain management, Functional testing, Human Resources, Unix, ERP
2006 - 2007
freelance
Documentum Performance Test Consultant
British Petroleum.
Technology: Documentum WebTop 5.5, WAS, Oracle, IM EDW system, KALIDO, TIBCO, IE.
Tools: Mercury Loadrunner with HTTP Web protocol, EMC2, GH Tester, LR Monitors.
Project: Documentum: EMC2 Documentum management system was used in BP to maintain the shared repository for BP trading transactions which include the PDF, Documents, Records of agreements and financial clauses during the day to day business operations. The important transactions which consume heavy JVMs are Check-in, CheckOut, View, and Import.
Project: IM EDW (Enterprise Data Warehouse): The Information Management (IM) Enterprise Data Warehouse (EDW) will provide GRS&T with a historical and operational record of truth for detail enterprise transaction data. The purpose of the EDW is to hold this information in an integrated manner to provide a pan-Enterprise view of the entire business. By integrating data throughout GRS&T, the EDW will serve as the source for integrated data and analytics to operational and BI applications. The main objective of EDW performance testing was to measure the performance of the TIBCO layer by publishing & subscribing thousands of messages on the service layer within the time window by using GH tester tool.
Responsibilities
• Planning test activities, project communications and coordination with various departments involved in project / programme governance
• Risk Assessment for the new projects / functional changes, preparation of test plans, test approach / strategy documents
• Design & Development of Performance test scripts for data generation using GH Tester, front end business processes and batch jobs and designing automation test scenario and test execution to identify bottlenecks in the system.
• Performance test environment setup for Documentum using EMC2 kit to configure the DLLs, develop the scripts, and design scenario calibration for the work load.
• Performance Test Analysis to find the root cause for the bottlenecks & producing final test reports containing findings, conclusions and recommendations.
• Successfully resolved Load Balancing issues, JVM issues, thread dumps in WebSphere application server, eContent server and indexing in the database server.
Tools: Mercury Loadrunner with HTTP Web protocol, EMC2, GH Tester, LR Monitors.
Project: Documentum: EMC2 Documentum management system was used in BP to maintain the shared repository for BP trading transactions which include the PDF, Documents, Records of agreements and financial clauses during the day to day business operations. The important transactions which consume heavy JVMs are Check-in, CheckOut, View, and Import.
Project: IM EDW (Enterprise Data Warehouse): The Information Management (IM) Enterprise Data Warehouse (EDW) will provide GRS&T with a historical and operational record of truth for detail enterprise transaction data. The purpose of the EDW is to hold this information in an integrated manner to provide a pan-Enterprise view of the entire business. By integrating data throughout GRS&T, the EDW will serve as the source for integrated data and analytics to operational and BI applications. The main objective of EDW performance testing was to measure the performance of the TIBCO layer by publishing & subscribing thousands of messages on the service layer within the time window by using GH tester tool.
Responsibilities
• Planning test activities, project communications and coordination with various departments involved in project / programme governance
• Risk Assessment for the new projects / functional changes, preparation of test plans, test approach / strategy documents
• Design & Development of Performance test scripts for data generation using GH Tester, front end business processes and batch jobs and designing automation test scenario and test execution to identify bottlenecks in the system.
• Performance test environment setup for Documentum using EMC2 kit to configure the DLLs, develop the scripts, and design scenario calibration for the work load.
• Performance Test Analysis to find the root cause for the bottlenecks & producing final test reports containing findings, conclusions and recommendations.
• Successfully resolved Load Balancing issues, JVM issues, thread dumps in WebSphere application server, eContent server and indexing in the database server.
Assessment, Processes, Database server, TIBCO, Documentum, Enterprise, Server, BEE, Http, Web, Detail, Development, Load balancing, Testing, Design, Information Management, PDF, Technology, Test, Service, Analytics, Management, Automation test, Data Warehouse, Database, Automation, Oracle, Operations
2005 - 2006
freelance
SAP Performance Test Consultant
Thames Water.
Technology: SAP web portal, IIS, SQL Server, HP AIX, VAP and Windows 2000.
Tools: Mercury Loadrunner SAPGUI & SAP Web/HTTP protocol, Unix Monitors.
Project: SAP HR Enterprise Portal and Portal & video player
Project Background: SAP HR Portal is used to cater to the needs of Thames Water business users and internal users such as ESS and MSS to view the payslips, enter the timesheet, performance appraisal, expense create etc. The applications was required to performance test and measure the end user response time to verify the system performance is met as per the performance requirements defined by the project.
The other project is an internal site which is a CMS (content management system) portals built on VAP - vignette application portal and VCM - vignette content management system. This site also has a video home page which has inbuilt flash video player and manager videos under various tabs and pagination internally.
Responsibilities
• Performance tested web applications with Loadrunner (scripting, executing, analysis and reporting)
• Test panning activities. Identification of Business processes and prioritising based on Business Severity, Identify volumetric, user load and other performance statistics.
• Setup performance test lab at the data centre and setup the monitors on the applications server, web server and DB server.
• Scripting and enhancement of the scripts by means of correlation, parameterisation, reusable functions, think time, coding standards.
• Analyse the performance test results to find the performance issues and bottlenecks across different layers of the system. Rerun the test after performance fix has been applied by the Dev team to verify the performance fix.
• Project task assignment to the team, Reviewing and publishing daily and weekly status report.
• Producing final test reports containing findings, conclusions and recommendations.
Clients: DHL Bracknell, UBS London UK, Pitney Bowes Duration: Oct'2004 to May 2005
Role: Performance Test Engineer
Technology: Web Client, IMS, MQ Series, Oracle, Broad Vision, Siebel 7.7, Oracle, Siebel Web Server, UNIX, Windows 2000
Tools: LoadRunner 8.1, Http Web/Siebel (Dual) Protocol, QTP with Java add-in, Unix Monitors.
Project: SPL SeLECT DHL, Bracknell UK
Project Background: The objective of the stress test is to identify potential performance limits and/or break points of Warehouse Management System based on the SeLECT platform and associated messaging infrastructure based on DPWN Customer Gateway (DCG). Client's IT Services recommends executing a series of Volume/Stress tests and suggest grouping these tests into three stages. This sequential approach will enable a gradual identification of potential performance issues, weaknesses and break points of either the WMS-Application component or the messaging platform.
Project: Memphis Trading System, London UK
Project Background: Memphis is a trading application built on using java technologies, the requirement was to do proof of concept for functional regression testing using Mercury QTP tool with Java add-in to verify the automation feasibility.
Project: Siebel CRM Rate Change EAME, Bangalore India
Project Background: Siebel Rate Change EAME is a CRM solution for EAME geography; the project involves supporting USPS Rate Change for customers through multiple channels like IVR, Call Centre and web self-service. Both web self-service and call centre interactions are serviced through an integrated multi-platform system comprising of BroadVision, MQ Series and Legacy (IMS). The purpose of this Performance Test is to validate whether the system can support the projected number of transactions with available infrastructure while maintaining acceptable end-user response times.
Responsibilities:
• Preparation of performance test scripts using Mercury Loadrunner Http web Protocol, baseline the scripts, enhance to meet the business requirements by adding correlation, parameterisation and other verification functionalities.
• Build the performance model for the identified scenarios to represent the day in life scenarios for peak load, soak test and stress test with pacing/iterations, variable think times and other run time settings.
• Verify the performance test environment and execute smoke test with small number of users to find any loose end of the system, execute peak load test, analyse the results to find any performance issues/bottlenecks, rerun the test once the fix is applied to re verify the fix.
• Prepare performance test analysis report and performance test completion report to share with the stakeholders and walk through them for the final sign off.
• Create automation scripts for the Memphis application using Mercury QTP tool, identification of custom objects, configure the objects to create the robust scripts, error handling, exception handling, data driven for multiple test data to cover the test scenarios.
Tools: Mercury Loadrunner SAPGUI & SAP Web/HTTP protocol, Unix Monitors.
Project: SAP HR Enterprise Portal and Portal & video player
Project Background: SAP HR Portal is used to cater to the needs of Thames Water business users and internal users such as ESS and MSS to view the payslips, enter the timesheet, performance appraisal, expense create etc. The applications was required to performance test and measure the end user response time to verify the system performance is met as per the performance requirements defined by the project.
The other project is an internal site which is a CMS (content management system) portals built on VAP - vignette application portal and VCM - vignette content management system. This site also has a video home page which has inbuilt flash video player and manager videos under various tabs and pagination internally.
Responsibilities
• Performance tested web applications with Loadrunner (scripting, executing, analysis and reporting)
• Test panning activities. Identification of Business processes and prioritising based on Business Severity, Identify volumetric, user load and other performance statistics.
• Setup performance test lab at the data centre and setup the monitors on the applications server, web server and DB server.
• Scripting and enhancement of the scripts by means of correlation, parameterisation, reusable functions, think time, coding standards.
• Analyse the performance test results to find the performance issues and bottlenecks across different layers of the system. Rerun the test after performance fix has been applied by the Dev team to verify the performance fix.
• Project task assignment to the team, Reviewing and publishing daily and weekly status report.
• Producing final test reports containing findings, conclusions and recommendations.
Clients: DHL Bracknell, UBS London UK, Pitney Bowes Duration: Oct'2004 to May 2005
Role: Performance Test Engineer
Technology: Web Client, IMS, MQ Series, Oracle, Broad Vision, Siebel 7.7, Oracle, Siebel Web Server, UNIX, Windows 2000
Tools: LoadRunner 8.1, Http Web/Siebel (Dual) Protocol, QTP with Java add-in, Unix Monitors.
Project: SPL SeLECT DHL, Bracknell UK
Project Background: The objective of the stress test is to identify potential performance limits and/or break points of Warehouse Management System based on the SeLECT platform and associated messaging infrastructure based on DPWN Customer Gateway (DCG). Client's IT Services recommends executing a series of Volume/Stress tests and suggest grouping these tests into three stages. This sequential approach will enable a gradual identification of potential performance issues, weaknesses and break points of either the WMS-Application component or the messaging platform.
Project: Memphis Trading System, London UK
Project Background: Memphis is a trading application built on using java technologies, the requirement was to do proof of concept for functional regression testing using Mercury QTP tool with Java add-in to verify the automation feasibility.
Project: Siebel CRM Rate Change EAME, Bangalore India
Project Background: Siebel Rate Change EAME is a CRM solution for EAME geography; the project involves supporting USPS Rate Change for customers through multiple channels like IVR, Call Centre and web self-service. Both web self-service and call centre interactions are serviced through an integrated multi-platform system comprising of BroadVision, MQ Series and Legacy (IMS). The purpose of this Performance Test is to validate whether the system can support the projected number of transactions with available infrastructure while maintaining acceptable end-user response times.
Responsibilities:
• Preparation of performance test scripts using Mercury Loadrunner Http web Protocol, baseline the scripts, enhance to meet the business requirements by adding correlation, parameterisation and other verification functionalities.
• Build the performance model for the identified scenarios to represent the day in life scenarios for peak load, soak test and stress test with pacing/iterations, variable think times and other run time settings.
• Verify the performance test environment and execute smoke test with small number of users to find any loose end of the system, execute peak load test, analyse the results to find any performance issues/bottlenecks, rerun the test once the fix is applied to re verify the fix.
• Prepare performance test analysis report and performance test completion report to share with the stakeholders and walk through them for the final sign off.
• Create automation scripts for the Memphis application using Mercury QTP tool, identification of custom objects, configure the objects to create the robust scripts, error handling, exception handling, data driven for multiple test data to cover the test scenarios.
Wms, Statistics, Flash, IIS, It, Support, Infrastructure, Testing, Aix, Content, Web, Http, Server, IMS, Enterprise, Processes, Portal, Manager, Scripting, Java, CRM, Oracle, Video, SQL Server, CMS, SAP, Content Management, Sql, Unix, Automation, Management, Regression testing, Service, Test, Windows, Technology
2003 - 2004
job
partner
Ostfold Software (P) Ltd.
www.ostfoldindia.com is the sole technical & sales partner of Mercury India Corporation for the India Geography, Ostfold Software (P) Ltd is involved in the Pre/Post sales technical Support & providing consultancy services to various IT organizations using automation tools like Winrunner, QTP, Loadrunner, Test Director, Quality Centre, Performance Centre etc
Responsibilities: Sr. Application Support Engineer
• To provide the technical solutions for the Service Requests raised by clients/tool users, patch upgrade, technical solutions for Winruuner, Loadrunner, QTP and Test Director/Quality Centre.
• Provide corporate training for the clients like Infosys, Wipro, HCL, CTS, HoneyWell on Automation tools such as QTP Loadrunner and implement the framework on their test applications.
• Offered consultancy services using LoadRunner J2EE Break down Module Monitor at Honeywell Technology on performance testing & tuning for their web application built on J2EE.
• Offered consultancy services at Manhattans & Associates on performance testing (LoadRunner) for their web application built on J2EE architecture.
• Consultancy services for functional testing using QTP carried out at various organizations like Cognizant Technology, Kyocera, Mphasis, PSI Data Systems, HCL and other IT companies
• Consultancy for Performance testing using LoadRunner carried out at Manhattans & Associates, TransWorld, IBM, Infosys, Polaris, Verizon
Responsibilities: Sr. Application Support Engineer
• To provide the technical solutions for the Service Requests raised by clients/tool users, patch upgrade, technical solutions for Winruuner, Loadrunner, QTP and Test Director/Quality Centre.
• Provide corporate training for the clients like Infosys, Wipro, HCL, CTS, HoneyWell on Automation tools such as QTP Loadrunner and implement the framework on their test applications.
• Offered consultancy services using LoadRunner J2EE Break down Module Monitor at Honeywell Technology on performance testing & tuning for their web application built on J2EE.
• Offered consultancy services at Manhattans & Associates on performance testing (LoadRunner) for their web application built on J2EE architecture.
• Consultancy services for functional testing using QTP carried out at various organizations like Cognizant Technology, Kyocera, Mphasis, PSI Data Systems, HCL and other IT companies
• Consultancy for Performance testing using LoadRunner carried out at Manhattans & Associates, TransWorld, IBM, Infosys, Polaris, Verizon
Training, Automation, Functional testing, J2EE, Sales, Architecture, Service, Test, Technology, It, Support, Testing, Software, Web, Tuning, Framework
My education
n/a
Bachelors, (computer science), India
Bachelors, (computer science), India
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