Tag: #infra
Writing on GPUs, LLMs, MLOps, Kubernetes — and mindset · 4 posts
Korean Dev Blog Curation 1 — Backend and Infrastructure, 14 Posts I Opened and Checked
Fourteen Korean-language backend and infrastructure posts selected for being concrete and reproducible. They cover Istio Sidecar and ServiceEntry, Envoy circuit breaking and routing, the limits of the Prometheus Push Gat
2026-08-12 · 13 min read #curation#큐레이션#backend#infra#istioThe 2026 Self-Hosting Renaissance — Personal Infra Rebuilt with Tailscale, Coolify, Dokku, and a Homelab
Early in the 2020s, everything moved to the cloud. By 2025-2026, more and more people are dragging computers back under their own desks. Tailscale gave away a working WireGuard mesh VPN for free, and the NAT-traversal ni
2026-05-14 · 25 min read #self-hosting#homelab#tailscale#coolify#dokkuPostgreSQL Internals Deep Dive — MVCC, VACUUM, WAL, Query Planner, Index, Partitioning, pgvector (2025)
Why did PostgreSQL become "the second most powerful DB after Oracle"? MVCC tuple versioning and the VACUUM burden, WAL and streaming replication, how the Query Planner builds execution plans, choosing among B-Tree/GIN/BR
2026-04-15 · 14 min read #postgresql#database#mvcc#query-optimization#infraRedis Internals & Distributed Cache — Single Thread, Data Structures, Cluster, Sentinel, RDB/AOF, Redlock, Valkey, Dragonfly Deep Dive (2025)
Why does single-threaded Redis hit 1M QPS? From String to Stream across 9 data structures, Cluster hash slots, Sentinel HA, RDB/AOF tradeoffs, Cache-Aside and Thundering Herd, the Redlock debate, the 2024 license drama a
2026-04-15 · 15 min read #redis#valkey#cache#distributed-systems#infra