Layered diagram of kernel submission and completion rings for async I/O.

Mastering io_uring vs epoll: A Deep Dive into Linux Async I/O Architectures

Compare Linux’s two dominant async I/O architectures, io_uring and epoll, with kernel internals, real benchmarks, and patterns drawn from production systems.

September 2, 2026 · 11 min · 2193 words · martinuke0
Illustration of overlapping threads and memory epochs.

The Thread Safety Tradeoffs of Epoch Based Reclamation

A deep dive into epoch based reclamation, its thread‑safety model, performance trade‑offs, and how it stacks up against alternative reclamation schemes.

May 17, 2026 · 9 min · 1832 words · martinuke0
Diagram of a Linux cgroup hierarchy with v2 unified tree.

Why Cgroups V2 Redefined Modern Linux Resource Isolation

Cgroups v2 unifies the control hierarchy, introduces granular I/O and memory throttling, and simplifies container orchestration, making Linux resource isolation more predictable and efficient.

May 17, 2026 · 7 min · 1452 words · martinuke0
Illustration of a low-level lock mechanism in code.

Building Userland Mutexes with the Futex System Call

A deep dive into constructing efficient mutexes in user space with futex, complete with code examples and best practices.

May 17, 2026 · 10 min · 2003 words · martinuke0
Illustration of overlapping epochs in concurrent memory reclamation.

How Epoch-Based Reclamation Avoids the Stalled Pointer Problem

A deep dive into epoch‑based reclamation, showing why it solves the stalled pointer issue and how to apply it safely in high‑performance concurrent code.

May 17, 2026 · 9 min · 1803 words · martinuke0
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