Performance

Illustration of memory arenas and thread caches in jemalloc.

Deep Dive into jemalloc Arenas and Thread Caches: Architecture, Performance, and Production Tuning

A practical guide that walks engineers through jemalloc’s internal design, benchmarks, and real‑world tuning tips for high‑throughput workloads.

Illustration of goroutine workers stealing tasks from each other.

Deep Dive into the Go Work-Stealing Scheduler: Internal Architecture, Mechanics, and Runtime Performance

A detailed look at how Go’s runtime schedules goroutines using work‑stealing, with diagrams, code snippets, and performance benchmarks from real services.

Diagram of utilization, saturation, and error metrics overlaying a production stack.

Mastering the USE Method: Performance Analysis for Utilization, Saturation, and Errors in Production Systems

This post walks through the USE method, showing how to instrument and interpret utilization, saturation, and error metrics in real‑world Kafka, PostgreSQL, and Kubernetes deployments.

Illustration of JVM and .NET heap generations.

Deep Dive into Generational Garbage Collection: Memory Management in Modern JVM and .NET Runtimes

A technical walkthrough of generational GC in the JVM and .NET, covering heap layout, pause times, and actionable tuning strategies.

Diagram of eBPF program flow from kernel to userspace.

Mastering eBPF for Tracing and Production Observability: Architecture, Performance, and Real-World Implementation

Explore how eBPF reshapes observability, learn its core architecture, and see production‑ready patterns backed by real metrics and code.