Performance engineering insights, case studies, and technical deep-dives from the FulmenFlux team.
Most CTOs undercount the cost of an unfilled senior backend role by 3x. Here's what the research actually shows — vacancy costs, team attrition risk, and the hire-to-productivity gap.
How to use Go's pprof toolchain to profile CPU, memory, goroutines, block, and mutex — collect profiles safely in production and act on what you find.
pprof tells you where CPU time went. trace tells you why goroutines weren't running. Both ship with Go. Here's how to pick the right one for your problem.
The reputation was earned. Large-scale IT outsourcing failures in the 2000s were real, documented, and expensive. Here's which objections still hold — and which expired with the era that created them.
How Go's garbage collector works, what GOGC and GOMEMLIMIT actually control, how the Pacer schedules GC work, and how to tune these for your service.
How Go's append and map growth work, when pre-allocation actually helps, benchmark results across slice sizes, and practical rules for hot-path code.
A practical, no-fluff guide to optimizing slow PostgreSQL queries. Covers EXPLAIN ANALYZE, index strategies, N+1 detection, and the 80/20 fixes that actually move the needle.
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