Prometheus and monitoring

What was Prometheus?

• A Roman god

• An Egyptian deity

• A Greek titan

• A bad movie

How does Prometheus cope with Grafana?

• Grafana can query Prometheus directly

• You need a proxy in between to transform data

• Grafana just can't query Prometheus in any way

Which components are usually used together?

• Prometheus + Clickhouse

• Prometheus + Grafana + Elasticsearch

• Prometheus + Alertmanager + Grafana

• Prometheus + Grafana + WinRar

Prometheus uses push or pull mechanisms to get its data?

• Push: data is sent to Prometheus

• Pull: Prometheus fetches data

• Both

What component allows Prometheus to get data from ephemeral jobs?

• Alertmanager

• No extra component

• PushGateway

• Prometheus federation

What observability pattern does Prometheus follow?

• Metrics / measurement

• Event

• Both

How are the components that expose metrics to Prometheus called?

• Publishers

• Exporters

• Ephemeral jobs

• Subscribers

What are the 4 metric types Prometheus support?

• Counter, Gauge, Summary and Total

• Total, Counter, Gauge and Histogram

• Histogram, Cumulative histogram, Gauge and Summary

• Counter, Gauge, Histogram and Summary

Histograms are named after which words?

• Histós (en. bucket, es. cubo) + Gramma (drawing)

• Histio (k8s component) + Gramma (drawing)

• Histós (en. mast, es. mástil) + Gramma (drawing)

• [Evar]Histo (mathematician that coined it) + Gramma (drawing)

What is the name of the language to query data in Prometheus?

• PromLite

• PromSQL

• PromQL

• PrometheusLite