Your app feels slow. Instinct says:
- π βItβs the DB.β
- π βAdd a cache.β
- π βMaybe the network?β
Too often β wrong. The real culprit?
- π Goroutine leaks
- π¦ Naive string concatenation
- ποΈ Unbounded caches
Thatβs where pprof steps in: CPU, memory, goroutines, blocking. No guesses β just facts.
In my latest post I show:
- How to enable profiling (services + CLI jobs)
- The 3 essential commands (top, list, web)
- Real-world examples with fixes: leaky tickers, string allocations, runaway cache
π Full article: Architecture and Code in 2025: pprof as the Tool of Truth https://medium.datadriveninvestor.com/architecture-and-code-in-2025-pprof-as-the-tool-of-truth-303e3f59f4b3
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