Performance

Illustration of memory arenas and thread caches interacting in a multi‑core system.

Deep Dive into jemalloc Arenas and Thread Caches: Architecture, Concurrency, and Memory Allocation Patterns

An in‑depth look at jemalloc’s arenas and thread caches, how they handle concurrency, and practical patterns for high‑performance services.

Illustration of a B‑tree node being duplicated for a snapshot.

Implementing Copy-on-Write B-Trees: A Deep Dive into High-Performance Database Snapshot Architecture

A practical walkthrough of implementing copy‑on‑write B‑trees for database snapshots, covering design patterns, performance trade‑offs, and real‑world deployment tips.

Illustration of layered database snapshots representing MVCC.

Deep Dive into Postgres Multi-Version Concurrency Control: Architecture, Snapshot Isolation, and Performance Optimization

A production‑focused walkthrough of PostgreSQL’s MVCC internals, snapshot isolation guarantees, and practical tips to keep your database fast and healthy.

Diagram of Linux cgroup hierarchy with containers.

Mastering Cgroups v2 Resource Isolation: Implementation Strategies for Modern Linux Systems and Container Routines

A practical guide for engineers to implement cgroups v2, covering architecture, migration, tuning, and real‑world examples in Kubernetes and Docker.

Diagram of shared memory pages with copy-on-write arrows.

Deep Dive into Copy-on-Write Semantics in Modern Linux Kernels: Architecture, Implementation, and Real-World Patterns

A technical walkthrough of Linux’s copy‑on‑write mechanism, from page‑fault handling to real‑world deployment patterns.