Prometheus - Time Serie


All data stored and manipulated are time series in Prometheus server making it a time serie database.

Every time series is uniquely identified by:

Prometheus may generate temporary derived time series as the result of queries.

Time Serie can be seen as the message format (Sort of relational data) that is stored, processed and returned in the prometheus data flow.



Given a metric name and a set of labels, time series are frequently identified using this notation:

<metric name>{<label name>=<label value>, ...}

This is the same notation that OpenTSDB uses.

Example: a time series with:

  • the metric name api_http_requests_total
  • the labels:
    • method=“POST”
    • handler=“/messages”
api_http_requests_total{method="POST", handler="/messages"}


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