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Why load testing? Application insights

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Expensive to setup Provisioning is complex Slow to scale Costly to maintain

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Visual Studio 2013 Load Test Web Service Test Agent Pool - Dynamic Results Database Worker Azure Blobs Azure Tables

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Cost to fix a defect Time detected RequirementsArchitectureConstructionSystem testPost-release Time introduced Requirements135101010100 Architecture1101525100 Construction1101025 A study conducted by NIST in 2002 reports that software bugs cost the U.S. economy $59.5 billion annually. More than a third of this cost could be avoided if better software testing was performed. 1 1) http://en.wikipedia.org/wiki/Software_testing#Economics

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internet intranet extranet web servers IIS application servers.NET integration servers AD, HIS,... database servers SQL load balancing network, virtualization security: firewall, proxy etc. clients clients storagesystem HBAHBA 360 coverage by an end-to-end test

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internet intranet extranet clients web servers integration servers application servers database servers network t R = time user has to wait t = processing time of this node t ? ? ? ? ? SAN, etc ?

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1. Telemetry is collected at each tier: Mobile applications, server applications and browser 2. Telemetry arrives to Application Insights service where it is processed & stored 3. Get 360 view of the application covering availability, performance & usage Application Insights

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Early discovery with Alerts Actionable data w/ Log Mining Global System Monitoring Application Performance Monitoring REQUIREMENTS BACKLOG RELEASE Operate Construct WORKING SOFTWARE Build | Measure | Learn Collaboration Customer Usage Monitoring

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Discovering Performance and Scale Impediments in Your Web Applications

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www.microsoft.com/learning http://developer.microsoft.com http://microsoft.com/technet http://channel9.msdn.com/Events/TechEd

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