Performance
Topic, then cluster, then study. Recently added is the short list at the top.
Recently added
- 2.CPU & Wall-Clock Profiling — Sampling vs InstrumentationSampling vs instrumentation; on-CPU vs wall-clock; GIL/event-loop traps that make “CPU” misleading.
- 3.Flame Graphs & Stack Collapse — Reading Hot PathsWidth = sample share, not one slow call; how to read plateaus and avoid common misreads.
- 5.Latency Budgets & Critical Path — Where the p99 LivesBudget each hop; find the critical path; fan-out p99 ≈ max of children; averages lie.
- 4.Memory Profiling — Allocations, Leaks & GC PressureAllocation rate vs retained heap; leaks vs caches; GC pressure on p99.
- 6.Microbenchmarks vs Load Tests — Lies, Variance & CapacityDCE/warmup/noise lies in microbench; open vs closed load; coordinated omission; capacity vs regression.
- 1.Performance Engineering — Profiling, Flame Graphs, Latency Budgets & Hot PathsMeasure→hot-path→fix→re-measure loop; latency vs throughput vs capacity; when to profile CPU vs memory vs wait/IO.
Performance
Profiling, flame graphs, latency budgets, and load tests you can defend in interviews.
Performance Engineering
6 studies- 1.Performance Engineering — Profiling, Flame Graphs, Latency Budgets & Hot PathsMeasure→hot-path→fix→re-measure loop; latency vs throughput vs capacity; when to profile CPU vs memory vs wait/IO.
- 2.CPU & Wall-Clock Profiling — Sampling vs InstrumentationSampling vs instrumentation; on-CPU vs wall-clock; GIL/event-loop traps that make “CPU” misleading.
- 3.Flame Graphs & Stack Collapse — Reading Hot PathsWidth = sample share, not one slow call; how to read plateaus and avoid common misreads.
- 4.Memory Profiling — Allocations, Leaks & GC PressureAllocation rate vs retained heap; leaks vs caches; GC pressure on p99.
- 5.Latency Budgets & Critical Path — Where the p99 LivesBudget each hop; find the critical path; fan-out p99 ≈ max of children; averages lie.
- 6.Microbenchmarks vs Load Tests — Lies, Variance & CapacityDCE/warmup/noise lies in microbench; open vs closed load; coordinated omission; capacity vs regression.