Topic

#Profiling

3 articles on Profiling — news, releases, guides and analysis from the SourceFeed engine.

Tutorial 3w ago 0

Hunt Down Go Memory Leaks with pprof and Live Heap Diffing

Instrument a Go service with net/http/pprof, diff heap snapshots, and trace a leak to its exact allocation line.

Rachel Goldstein

Profile a Rust Web Service with cargo-flamegraph to Eliminate CPU Hot Paths

Attach a flamegraph profiler to a running Axum service, pinpoint a regex hot path burning CPU on every request, then prove the fix with Criterion benchmark numbers.

Tutorial · 1mo ago0

Profile and Fix a Slow Python Service Using py-spy Flame Graphs

Attach py-spy to a live process with zero code changes, read the flame graph to pinpoint an O(n²) bottleneck, and verify a 1000x+ speedup — all without restarting your service.

Tutorial · 2mos ago0

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