diego@sre : ~/ $ diegodelgado.io
diego delgado — senior sre, barcelona.
// boring reliability, written down.
status
● unknown
uptime 30d
p95
last check
## now
updated 2026-04-12
  • Writing about synthetic checks that actually catch regressions.
  • Building a k8s cronjob linter — the one I wish existed in 2022.
  • Reading: Seeking SRE, and re-reading the Google SRE workbook.
  • Running srereview.com on the side — SLO reviews for small teams.
## tools
→ SLO calculator Convert availability targets into minutes of error budget per window. Paste a target, pick a window, copy the math. → k8s CronJob checker Paste a CronJob manifest. Get a lint report for the six footguns I wrote about. → Burn-rate alert helper Pick an SLO and a window, get the multi-window multi-burn-rate Prometheus rules ready to paste.
## latest
2026-04-08 Synthetic checks that actually catch regressions 7min 2026-03-22 Why on-call alerting is mostly paid software 11min 2026-03-04 SLO math without tears 6min 2026-02-18 The six k8s CronJob footguns I keep tripping over 9min