Performance

Diagram of copy‑on‑write page sharing in Linux.

Deep Dive into Copy-on-Write Semantics: Memory Management and Performance in Modern Linux Kernels

A technical walkthrough of COW in modern Linux kernels, covering the VM architecture, fault handling, performance trade‑offs, and production‑ready patterns.

Diagram of PostgreSQL MVCC version chains

Deep Dive into Postgres MVCC: Architecture, Transaction Isolation, and Performance at Scale

A deep dive into PostgreSQL’s Multi-Version Concurrency Control, covering its internal design, isolation guarantees, and proven patterns to keep latency low at massive scale.

Diagram of Linux cgroups hierarchy with resource controllers.

Mastering cgroups v2 Resource Isolation: Implementation Strategies for Production Workload Performance and Control

A deep dive into cgroups v2 design and practical steps to boost workload performance and control in modern Linux environments.

Illustration of Linux kernel I/O subsystems with io_uring and epoll.

Deep Dive into io_uring and epoll: Architecture, Performance Trade-offs, and Production Implementation Patterns

A practical guide comparing io_uring and epoll, detailing their internals, performance characteristics, and proven patterns for deploying them in production.

Illustration of many requests converging on a single service endpoint.

Mastering the Thundering Herd Problem: Mitigation Strategies, Cache Patterns, and Production-Ready Architectures

A deep dive into the thundering herd effect, with concrete mitigation patterns, cache strategies, and production‑ready architectural blueprints.