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Author Archives: azheglov
My Agile St. Petersburg Interview
I have recently been interviewed Who-Is-Agile-style by Sergey Kotlov, the leader of the Agile St. Petersburg community. This post is the English translation of the inteview’s Russian original. I am thankful to Sergey for this opportunity and being a great … Continue reading
Posted in life
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The Best of 2013
At the start of the new year, I’d like to take a look back at my blogging in 2013 and find a small selection of posts that turned out better than others, were useful to someone, were popular among readers, … Continue reading
Posted in blog
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Working Effectively with a Performance-Testing Bottleneck
Not long ago, a software performance architect brought to my attention that she and her colleague (the performance-testing team) were overloaded with performance-testing requests from product teams. The performance testers wondered if they needed to change their mini-team’s process to … Continue reading
The Continuous Improvement Likbez
Likbez (ликбез) is a neologism that entered the Russian language in the 1920s, after the revolution. Formed similarly to many new words of the day by abbreviating long phrases, it meant the “elimination of illiteracy” (ликвидация безграмотности). At the turn … Continue reading
Posted in life
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Debunking the 10,000-Hours-of-Practice Theory
Now that I brought up the subject of music with my previous post, I want to express my skepticism of the popular theory there is a universal “magic” number of 10,000 hours of practice that one has to complete in … Continue reading
Something I Learned by Studying Misic as a Kid
This was the topic of the second of my three super-lightning talks that I fit into two minutes at the 2013 Agile Coach Camp Canada. This post continues the series of reports from the camp, started here and continued here, … Continue reading
Posted in conferences
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The Seven (or More) Meanings of Kanban
A number of articles appeared recently that, while making some their point, tried enumerate different meanings of the word “kanban.” I would like to show my own set of definitions that I found useful to keep in my head when … Continue reading
Posted in facilitation
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Shew-Ha-Ri: a Three-Level Model for Dealing with Variation
Continuing the statistical theme of the last two posts, but trying to close it at the same time. I observe three different levels of dealing with the same problem: look at a data set of some metric and tell whether … Continue reading
On the Practically Useful Properties of the Weibull Distribution
In my previous post, I referred to the insight (created by experts who have analyzed lots of real-world software and IT project data) that lead times in such projects often have the Weibull distribution. I also explained a bit what … Continue reading
Posted in hands-on
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How to Match to Weibull Distribution in Excel
UPDATE: The contents of this post are still valid, but there is a new, complementary post: How to Match to Weibull Distribution without Excel. Warning: this is a very technical, hands-on post. It turns out Weibull distribution is quite common … Continue reading
Posted in hands-on
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