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Overview
About Me Hey, I’m Shane Hansen. You can find me online:Linkedin: shanemhansen Github: @shanemhansen Email: [email protected] I mostly write about what we call cloud computing these days and what used to be called systems engineering because as we all know:.
News
Backtraces with strace
I discovered strace somewhere between my first part time web development part time job in 2005 and my first full time "software engineering" job in 2008, and it seemed like a superpower giving me x-ray vision into running infrastructure. When a process wa
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Some notes on javascript jit and deopt
Recently I read a fantastic article walking through jit optimizations and how changes to source code could impact those: Side effecting a deopt.As I shared it with folks, a few of them had some questions about low level optmizations in general and I wrote
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CGO Performance In Go 1.21
Tl;Dr Cgo calls take about 40ns, about the same time encoding/json takes to parse a single digit integer. On my 20 core machine Cgo call performance scales with core count up to about 16 cores, after which some known contention issues slow things down.Dis
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Threads and Goroutines
So after several years of reading oversimplified and flat out incorrect comments about threads and fibers/goroutines/async/etc and fighting this reaction:I've decided to write my own still-over-simplified all in one guide to the difference between a coupl
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Load Testing Tips
Load testing tips Over a decade plus of getting retailers ready for a smooth Black Friday I've collected a few tips, tricks, and stories related to keeping busy applications online during big events.In fact there's one simple (not easy!) trick to it: the
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