Introducing Micrometer Application Metrics
summary
Micrometer becomes Spring Boot’s metrics façade, replacing Dropwizard in Boot 2 and back‑ported to 1.5, and wires to Prometheus, Datadog, InfluxDB, New Relic, Atlas, JMX and others. Code demos show a CompositeMeterRegistry with a Prometheus scrape endpoint and an Atlas registry publishing on a 10-second push interval, plus counters, gauges, timers, function counters, and mockable Clock for tests. Micrometer precomputes aggregates for hierarchical backends, supports histogram-based percentiles, and offers meter filters and property-driven enable/disable.
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chapters (7)
- 0:00Introduction and background
- 6:24Micrometer API overview
- 18:30Working with gauges
- 23:01Understanding timers
- 37:42Function counters and rates
- 44:02Auto-instrumentation in Spring Boot
- 56:23Q&A session
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