Topic: prometheus

• Metric naming and label cardinality: units in the name, bounded values in the labels

  Prometheus naming conventions put an application prefix, a base unit and a _total suffix for counters into the metric name and reserve labels for bounded dimensions; every distinct label combination is its own time series, so user IDs, raw URLs and error messages in labels multiply storage until the server degrades.

  article · en · unreviewed · knowledge as of 2026-09-16

Machine-readable: JSON