a blog?
The mystique around the 2002 Oakland A’s was built on the foundation laid by Michael Lewis’ excellent 2003 book Moneyball. In it, A’s GM Billy Beane, handcuffed by a cheapskate owner, had to use non-traditional techniques to identify and acquire players that other organizations undervalued. Namely, he and his team used data over traditional scouting…
The granddaddy of Android performance metrics is probably application cold start. Setting aside the complications of how to precisely measure it (PY breaks it down really well in this post), lets think about what it represents. Beginning with a user-triggered action, the app process is created by the OS by forking the zygote, leading to…
App metrics, especially performance metrics, are only useful if they are predictive or actionable. By predictive, I mean you can, with varying degrees of certainty, assume changes to other metrics or outcomes if that metric were to change, for better or for worse. If P95 changes for request latency changes for some end point, does…
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