01 — writing
Notes from the ingest path
Long-form engineering writing about the parts of observability that are harder than they look.
02 — archive
- engineeringRead
Sampling without losing the incident
Head-based sampling drops the traces you needed. Tail-based sampling costs what you were trying to save. We ended up somewhere in between, and the details matter.
Daniel Okafor
- researchRead
Model-graded evals are still evals
If a model is grading your output, the grader is a dependency with a version, a failure mode and a drift profile. Treat it like one.
Mei-Lin Cho
One incident write-up a month.
Postmortem is our newsletter. No product news, no roadmap teasers — just what broke and why. The email form is in the footer; the same posts go out over RSS.
curl -s https://cinder.dev/rss.xmlOr talk to an engineer — the same people who wrote the ingest path.