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Tag Archives: devops

Nash on Joint Cognitive Systems

by !undefined

Ghosts in the machines:

It feels intuitively right: computers are better at plugging through repetitive information very quickly, humans are better at context-specific, qualitative judgments about that information. But the problem with this approach is that day-to-day tasks in the world we all operate are not so neatly composable in this way — we are constantly moving between a variety of tasks that could be more easily done by either machines or humans.

Hits on a lot of good points. Implicit here (viz., not called out) is the fact that if DevOps is about increasing the humanity of designing, implementing, and managing big systems (and make no mistake: that is what it’s about) then the notion of Joint Cognitive Systems becomes very important. “Divide and compensate”, MABA-MABA approaches arguably just turn the operators into slaves of the automators automation, and potentially make things even more chaotic.

Linkdump for June 26th

by Rob Friesel

Advanced Unit Testing Techniques in JavaScript Decent introduction to unit testing with Sinon.js; by Guido Kessels, writing for Nettuts. Though the information Sinon.js itself is useful, the highlight of the article is really the robust definitions that Kessels provides for spies, stubs, and mocks. (tagged: Sinon.js JavaScript unit testing ) Learn Clojure in 15 minutes, […]

Linkdump for June 18th

by Rob Friesel

Pre-generating Justified Views Ross Harmes on how the Flickr team achieved a 7× speed increase in page render times: The first time you come to any Flickr page, we store the width of your browser window in a cookie. We can then read that cookie on the server on subsequent page loads. Gotta love a […]