The queue is draining. How old are the errors?
A returning telemetry backend can deliver yesterday's trouble into today's decision. Check both the records that survived and the age of what the responder can see.
Articles
Guides, news and explanations about AI and reliable systems.
Not sure where to begin? Choose a short reading path, or browse at your own pace.
The request timed out. Did the worker get created?
A lost reply can leave a real worker running and an automation ready to create another. Keep the original intent intact while you find out what happened.
When the checkout error line disappears
A blank graph can mean no traffic, missing measurements or something the query cannot calculate. Follow a small Prometheus fixture to keep those meanings separate before a rollout depends on the answer.
Disruption budgets and the capacity left behind
Plan an inference-service node drain with a scoped disruption budget, replacement-capacity checks and a practical maintenance worksheet.
Prompt caching: measure the cost of useful work
What prompt-cache hits save once retries and failed work are included in task cost, with a local calculator and ledger.
How to evaluate incident-response agents
Build repeatable cases and check recovery independently, with a runnable Python grader.
Supervising coding agents with Herdr
How Herdr keeps coding sessions available while you detach, and what changes when its server restarts.
What did the postmortem fix prove?
Separate a completed task from evidence that the underlying risk was reduced.
5 Whys: following the failure past the first explanation
A test that sends requests one at a time can miss a failure caused by overlap. Follow that mismatch into branching causes, useful experiments and a better stopping point.
NotebookLM: when two service instructions disagree
One document says restart; another says preserve the process. Use a cited comparison to find the condition that explains the difference, then check whether it applies.
Testing Opus 4.6 with the note that rules out rollback
The assistant finds the likely cause. An earlier migration note changes what can happen next. Use that conflict to test whether Opus 4.6 delivers advice an engineer can actually use.
An agent skill needs a way back from “did that happen?”
The tool timed out, but the deployment may already have changed. A reusable skill needs to recover the original operation, not simply repeat its instructions.