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K8s L5 K8S 1582 · 9 min

A metrics adapter query is corrected and one HPA still reads zero because the recording rule keeps the retired metric label

The adapter query is right, but one recording rule still emits the previous label set and never matches the HPA selector.

K8sPlatform ReliabilityLevel 5Pro9 min
Scenario

One HPA still reads zero after adapter query corrections.

What to check first
  • Identify the primary failure signal in the The New Scoreboard Was Wired Properly and One Announcer Kept Calling the Team by the Name Printed on the Old Program scenario.
  • Separate visible symptoms from the underlying technical dependency.
  • Describe the safest recovery path and the follow-up prevention work.
Checking checklist
  1. Summarize the current impact and the last known change.
  2. Collect direct evidence from logs, runtime state, and configuration before changing anything.
  3. Separate immediate recovery from permanent prevention work.
Recovery and prevention

Inspect recording rule labels before changing scale targets.

Questions worth viewing together
Should I translate commands, logs, or product names?

No. Keep commands, logs, file names, APIs, and product names unchanged, then explain the reasoning in the selected UI language.

What should the answer focus on?

State the root cause, the evidence that supports it, and the safest recovery direction.

Why can the scenario remain in the original language?

The source scenario is treated as an incident artifact. Guidance, checklist, hints, and explanations can be localized around it.