Performance

A terminal showing cgroup filesystem hierarchy on a Linux host.

Mastering Cgroups v2 Resource Isolation: Implementation, Unified Hierarchy, and Production-Ready Performance Tuning

A deep dive into cgroups v2 implementation, its unified hierarchy, and actionable performance tuning techniques for production Linux workloads.

Diagram of a TLS handshake with a zero round‑trip resumption flow.

Implementing TLS 1.3 Zero Round-Trip Resumption: Architecture, Security Trade-offs, and Production Performance Optimization

A deep dive into TLS 1.3 0‑RTT resumption, its architectural patterns, security implications, and how to optimize it for high‑throughput services.

A dashboard visualizing CPU, network, and error metrics across a cluster.

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

The USE method offers a pragmatic framework for spotting performance issues. This guide walks through each metric, shows Prometheus queries, and shares production patterns.

Illustration of data packets flowing through a network pipe under BBR control.

Implementing TCP BBR Congestion Control: Optimizing Network Throughput for High‑Performance Production Environments

Deploy BBR in Linux, fine‑tune its parameters, and use real‑world metrics to boost network throughput in latency‑sensitive production workloads.

Illustration of goroutine workers exchanging tasks in a work‑stealing pool.

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

A technical walkthrough of Go’s work‑stealing scheduler, covering its data structures, steal algorithm, and the knobs you can tune to squeeze out latency and throughput in production.