Data Driven Quality

Several of the older posts come from when I was writing on testing, SOA, and Testing in Production (TiP). I am currently writing on Data Driven Quality (DDQ).

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  • Blog Post: TIP-ING SERVICES TESTING BLOG #1: THE EXECUTIVE SUMMARY

    For some time now I’ve been promising to lay out all my thinking on Testing in Production (TiP). I first introduced the topic in a blog post in June 2009 titled “ Ship your service into production and then start testing! ” Over the summer I had some family commitments, late summer I finished up my internal...
  • Blog Post: The Demise of the Test Lab – An Ode to when Testers worked in test labs

    Since I have been in software it has been readily accepted that in order to test software one needs hardware. At most software companies this means that there is a test lab filled with computers and devices to assist in the testing. My experience has shown that with each major paradigm shift in software...
  • Blog Post: MINNEAPOLIS AND BACK TO TALK CLOUD TESTING

    Who in their right mind agrees to fly all morning from Seattle to Minneapolis, drive to a local software testing special interest group (SIG), talk for 90 minutes, and fly back home that same night? For a number of reasons, the most important of which was being home in the morning to help get my kids...
  • Blog Post: HWTSaM vPodcast – Chapter 3 Engineering Life Cycles

    All three authors of " How We Test Software at Microsoft ", Bj Rollison , Alan Page , and Ken Johnston actually made it for this recording.  Warning, I had a bit too much fun with my green screen.  The discussion covers how different teams within Microsoft use Agile, Waterfall, Spiral...
  • Blog Post: Microsoft Cargo Container Data Center comes Online

    Recently I ran into a friend who was reading chapter 14 of How We Test Software at Microsoft . He commented on the picture in the book of the Rackable Ice Cube container full of servers. This was pretty cool to think about purchasing servers pre-racked in a cargo container. We joked that for our next...
  • Blog Post: AN UNEXPECTED PLUG FOR “HOW WE TEST SOFTWARE AT MICROSOFT”

    This BLOG post is a thank you to all the individuals who have read “How We Test Software at Microsoft,” and posted something on the web about it (that Alan, BJ and I been able to find that is). We are thrilled by the very positive response readers of HWTSaM have had. There are several five star...
  • Blog Post: NOTHING TO DO WITH S+S – I LOVE THE WORD PENULTIMATE

    Alert: this post has nothing to do with S+S or operations or testing but it’s a small slice of life that I just had to share. “P” words such as penultimate, pontificate, plethora, plebian, and polyglot have failed me more than once. Have you ever found yourself reaching for that perfect word...
  • Blog Post: When I Train I Always Learn Something New

    Today I hosted four hours of interactive learning on S+S testing with table topics such as "Testing in Production, How far can we go?" and "Release Cadence in an S+S era." Every time I get together with smart engineers new better ideas are generated. One interesting example that came up in the...
  • Blog Post: Ship your service into production and then start testing!

    Think about Services shifting the Testing into Production The topic of Testing in Production (TiP) is a growing area of debate in SaaS and S+S testing groups. While I don’t personally really believe you should ship your service and then start testing it, I often introduce the topic this way. It...
  • Blog Post: 1+1 Redundancy Just Isn't Good Enough

    1+1 redundancy for production services is a flawed design approach. +1 redundancy is like the kind of logic my wife uses with me when I go on an overnight business trip. She will insist that I take at least two pairs of socks in my bag even though I plan to be home the very next evening. The logic...
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