Tag: reliability
All the articles with the tag "reliability".
The Device Went Quiet. Quiet Is Not a Reading.
A thousand devices reporting over MQTT taught me that absent telemetry is ambiguous, and that the ambiguity gets worse the moment the device is allowed to move.
Terraform Created the Service. The Image Did Not Exist Yet.
Generated infrastructure creates services before their containers exist, and a moving tag makes rollback a guess. Two fixes: read the live image before you write it, and pin to a digest.
The Webhook Must Reply in Seconds. The Useful Work Takes Longer.
Designing a Go alerting service where every operation worth doing is slower than the budget you have to respond in, and the sender retries if you are late.
Why our Gitea went down every Sunday at midnight
A short post-mortem on recurring midnight outages on our internal PaaS, and why single-replica stateful services plus a maintenance window is a bad combination.