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Tony Simms - TMF October 27 th 09

Oooo those graphs look pretty! How to manage performance testing when you are not a technical specialist. Tony Simms - TMF October 27 th 09. Agenda. Background to the NSPCC Helplines programme Procurement Execution Results Open discussion. The Background.

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Tony Simms - TMF October 27 th 09

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  1. Oooo those graphs look pretty!How to manage performance testing when you are not a technical specialist. Tony Simms - TMF October 27th 09

  2. Agenda Background to the NSPCC Helplines programme Procurement Execution Results Open discussion

  3. The Background

  4. increase the number of calls we received increase the number of calls we answered increase the ways children could contact us introduce new web counselling services improve our IT infrastructure Childline was receiving around 2,500 telephone calls a day of which only 60% were actually being answered. We wanted to;

  5. PDC SDC Two brand new data centres Multimedia Counsellors Multiple locations Web and voice bases Counselling services

  6. No volume data for web traffic • Good volume data for voice • New data centres in the process of being built • The business users insisting on evidence we can support the service before we switch it on

  7. Procurement

  8. Approach to Supplier Selection No in house tools or skill set Attended an exhibition and approached smaller performance Vendors and specialist The name Facilta kept being mentioned Got Facilita in to ‘pitch’

  9. Approach to Supplier Selection Facilita were not geared up to do the performance testing of our voice system, and recommended Empirix Our telephony supplier recommended Empirix Got Empirix in to ‘pitch’ Appointed Facilita and Empirix to do the work.

  10. Possible Discussion Points What are the questions that need to be asked of a performance test consultancy What are the key indicators that the supplier understands performance testing and how it applied to your system The pros and cons of not going to full competitive tender All suppliers are liars.’ how can we trust the salesmen

  11. Execution

  12. Preparation Information on environment Information on applications Information (or not) on demographics Scripting time

  13. Management Totally hands off Immediate notification of serious issues Direct access to developers and architects Test – correct – test - report

  14. Possible Discussion Points What added value could have been gained by being more involved in the execution How much technical knowledge is required to validate the performance test approach Is performance testing as simple as test and report, or should there be significant ‘tinker time’ Should your performance testers also be your system tuners

  15. Results

  16. End Of Test Reporting Both companies produced reports. One more verbal, one more graphical Reports highlighted issues The issues needed multiple parties to analyse The results were not always clear cut Both needed more time than we could give

  17. Possible Discussion Points What good is a report form a technical expert if you don’t have the skill set needed to understand it How much should you expect the testers to contribute to the discussion about the solution What do you do when the technical experts disagree What do you do when there is no industry standard to compare your results with

  18. Any Questions?

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