One of the frustrating things about building and running backend infrastructure services is that things break sometimes — often in unexpected ways. And when they do, you can spend untold hours chasing down various ideas, most of which are dead ends, before eventually solving the problem. The goal in the end, as always, is to have a more stable and resilient service that will serve your users without getting you out of bed in the middle of the night.
What’s often interesting about these problems is not necessarily the solution — it’s what you learn along the way. If you’re not debugging and testing alone, you’ve likely got a small team of folks helping you out. And in that process you’ll discover things you’d never encountered before, including hardware/software interactions that you’d previously never considered...
Linux Kernel Development How Fast it is Going, Who is Doing It, What They are Doing, and Who is Sponsoring It: An August 2009 Update
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