#observability

#observability6

Systems 2026-09-23

[Wiblog Part 2] Redefining the Product Direction After Beta Feedback

How beta users' questions and behavior changed Wiblog's customer hypothesis, onboarding, B2C/B2B direction, and value proposition.
Systems 2026-09-18

[Wiblog Part 1] From Topic Idea to Generated, Published, Search-Visible Content

From topic ideas to publishing and search visibility
DevOps 2026-09-08

Switching LLM Accounts at 88% — Manually First, Then Automatic Failover at 80%

From a Grafana 88% alert to automatic failover at 80%
DevOps 2026-08-18

How I Cut AI Blog Generation Costs by Reducing Duplicate Searches and Failed Retries

Recomputing 15 topics from logs: ₩309 down to ₩150
Reliability 2026-05-17

[Messenger Load-Testing, Part 3] FCM to a Queue, Swallowed Failures to Sentry — Cleaning Up the Message-Send Handler

Isolating external I/O and surfacing swallowed errors
Scaling 2026-05-04

[Messenger Load-Testing, Part 1] Building a Reusable Load-Test Environment — Make-based IaC, Observability, and Auth Seeding

A 7-node production clone, rebuilt with one make command