metrics-exposition
Use when adding or reviewing a /metrics endpoint, choosing metric labels, or diagnosing a monitoring system that is growing without bound: which labels are cardinality decisions, capping high-cardinality views, exporting the fact that you truncated, and provisioning dashboards from the repository.
Pinned to revision 2396c4cb4d89, so it is the text this page describes rather than whatever the author pushed since.
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