Prometheus - Data Collection
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Data Collection
-
Scaping method
- Common method used by
Prometheus
- Applications install
exporter, from which Prometheus pulls the metrics.
-
Push method
Prometheus uses push gateway to collect metrics from the application.
- Limitation of push method
- requires application source code to implement the push method
- unscalable
-
push gateway
- a component of
Prometheus
- acts as temporary storage, to which application send the metric and from which Prometheus can scrape metric.
- allows applications to use push method.
- Prometheus is always a pull time series database.