Java metrics library for timers, counters, meters, gauges, built-in JVM metrics, and export paths such as OpenTelemetry, Prometheus, StatsD, and Graphite.
The repository contains the core avaje-metrics module plus optional integration and
export modules.
| Artifact | Purpose | Docs |
|---|---|---|
avaje-metrics |
Core metrics API, default registry, JVM metrics, @Timed, traced timer support hooks |
metrics/README.md |
avaje-metrics-otel |
Convenience OTLP-backed OpenTelemetry setup for metrics + traces | metrics-otel/README.md |
avaje-metrics-otel-producer |
OpenTelemetry SDK MetricProducer bridge |
metrics-otel-producer/README.md |
avaje-metrics-otel-trace |
OpenTelemetry span bridge for traced timers | metrics-otel-trace/README.md |
avaje-metrics-otel-reporter |
Scheduled OpenTelemetry reporter path | metrics-otel-reporter/README.md |
avaje-metrics-prometheus |
Prometheus text exposition scrape exporter | metrics-prometheus/README.md |
avaje-metrics-statsd |
StatsD / DogStatsD reporter | metrics-statsd/README.md |
avaje-metrics-graphite |
Graphite reporter and sender | metrics-graphite/README.md |
avaje-metrics-ebean |
Ebean MetricSupplier integration |
metrics-ebean/README.md |
- Main website
- Docs landing page
- Guide index
- Getting started
- Register JVM metrics
- Add method timing
- Configure metrics enhancement
- Add OpenTelemetry export
- Add Prometheus scraping
<dependency>
<groupId>io.avaje</groupId>
<artifactId>avaje-metrics</artifactId>
<version>${version}</version>
</dependency>import io.avaje.metrics.Metrics;
import io.avaje.metrics.Tags;
var requests = Metrics.counterBuilder("app.http.requests")
.unit("{event}")
.build();
var timer = Metrics.timerBuilder("app.service.run")
.tags(Tags.of("operation:sync"))
.build();
Metrics.gauge("app.queue.depth")
.ofLongs(queue::size);
Metrics.jvmMetrics()
.withReportAlways()
.registerJvmCoreMetrics();
requests.inc();
timer.time(service::run);From there, choose an export path:
- OpenTelemetry: docs/guides/add-open-telemetry-export.md
- Prometheus: docs/guides/add-prometheus-scrape.md
- StatsD: metrics-statsd/README.md
- Graphite: metrics-graphite/README.md
Published under Apache License 2.0, see LICENSE.