Your Software Has Bugs

The processes, people, and technology of producing quality software...and other stuff I want to talk about....

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  • Blog Post: The return of A-Z Testing in Production – STPCon Fall 2012

    Download the Slide Deck: PPT PDF The folks at STPCon had asked me to give an encore presentation of my March 2012 talk A to Z Testing in Production: TiP Methodologies, Techniques, and Examples . The new talk has some substantial updates including more focus on the use of Big-Data and a simplified categorization...
  • Blog Post: A Summary of the Amazon Web Services June 29 Outage

      Summary of the AWS Service Event in the US East Region ...from Amazon < http://aws.amazon.com/message/67457/ >   The event was triggered during a large scale electrical storm which swept through the Northern Virginia area   Though the resources in this datacenter, including Elastic...
  • Blog Post: A to Z Testing in Production: TiP Methodologies, Techniques, and Examples at STPCon 2012

    Download the Slide Deck PPT PDF Listen to the audio (requires free registration with STP – they’re good folks, so go ahead and register) A to Z Testing in Production: TiP Methodologies, Techniques, and Examples Testing in production (TiP) is a set of software testing methodologies that utilizes real...
  • Blog Post: Failure is Always an Option

    Design Strategies for Cloud Hosted Services The title phrase was made popular by Adam Savage of MythBusters fame (pictured to the right… the bunny is made of C4 ). However it is also motto to live by when designing and deploying services to run on a Cloud platform. We of course do not accept...
  • Blog Post: Testing in Production (TiP) - It Really Happens–Examples from Facebook, Amazon, Google, and Microsoft

    Testing in Production (TiP) really happens, and yes that it s a good thing! Here are some examples from Facebook, Amazon, Google, and Microsoft. The Methodologies This is not a complete list of TiP methodologies, but explains the ones used in the examples given A/B Testing (aka Online Controlled...
  • Blog Post: Testing with Real Users - User Interaction and Beyond, with Online Experimentation

    My talk at the Better Software Conference was a lot of fun. It was well received. If you want to check out the slides, take a look here . Evidence shows than more than half of the ideas that we think will improve the user experience actually fail to do so—and some actually make it worse. Instead of guessing...
  • Blog Post: Software Testing Cage Match: Amazon.com vs. Microsoft

    While I previously made some comparisons between Amazon.com and Microsoft's different approaches to software testing in Building Services: The Death of Big Up-Front Testing (BUFT)? , I think now would be a fun and interesting time to do a deeper dive on this. Before I joined Amazon.com in 2005 as an...
  • Blog Post: What The Heck Is Cloud Computing? – A Brief Re-Look

    In a previous post, “ What The Heck Is Cloud Computing? ” I broke the cloud up into three categories. however I do not think I did a good job of delineating these categories with examples. So here goes: IaaS : Infrastructure as a Service Storage: Amazon S3 (BLOB storage), Amazon...
  • Blog Post: Building Services: The Death of Big Up-Front Testing (BUFT)?

    Let's start with some definitions: Death Demise, end, termination, the state of no longer existing BUFT "Big Up-Front Testing" an activity or "Big Up-Front Test" a group that carries out that activity (the latter sounds cool, like "Big Pharma") It's an acronym of my own invention. At least I believe...
  • Blog Post: Feeling TiPsy…Testing in Production Success and Horror Stories

    One topic I hope to return to many times in this blog is that of TiP , or Testing in Production . For a good introduction to this check out Ken Johnston ’s blog entry TIP-ING SERVICES TESTING BLOG #1: THE EXECUTIVE SUMMARY which is an updated version of the executive summary of the ThinkWeek paper that...
  • Blog Post: You Can Skip This Blog Entry

    I’m just going to jump start my new blog here by introducing myself. Unless you are someone of renown, an autobiographical essay is likely of little interest to anyone but yourself. Since I do not want to risk boring my readers, feel free to skip this (my first) blog entry. But why then would I write...
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