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springcpu-usagedropwizardcodahale-metricsutilization
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Reputation: 1618

Metrics for CPU usage and Utilization using Spring Boot Dropwizard

Is there a way to measure CPU usage and Utilization of different aspects (CPU, Thread, Memory etc) using dropwizard in spring-boot?

Upvotes: 1

Views: 4996

Answers (1)

Lakatos Gyula
Lakatos Gyula

Reputation: 4160

Use spring-boot-actuator for that. There is already a /metrics endpoint for the data you are asking for.

Check systemload.average, mem, mem.free, threads etc for the exact information.

For more information check:

https://docs.spring.io/spring-boot/docs/current/reference/html/production-ready-metrics.html https://docs.spring.io/spring-boot/docs/current/reference/html/production-ready-metrics.html#production-ready-dropwizard-metrics

A default MetricRegistry Spring bean will be created when you declare a dependency to the io.dropwizard.metrics:metrics-core library; you can also register you own @Bean instance if you need customizations. Users of the Dropwizard ‘Metrics’ library will find that Spring Boot metrics are automatically published to com.codahale.metrics.MetricRegistry. Metrics from the MetricRegistry are also automatically exposed via the /metrics endpoint

When Dropwizard metrics are in use, the default CounterService and GaugeService are replaced with a DropwizardMetricServices, which is a wrapper around the MetricRegistry (so you can @Autowired one of those services and use it as normal). You can also create “special” Dropwizard metrics by prefixing your metric names with the appropriate type (i.e. timer., histogram. for gauges, and meter.* for counters).

Upvotes: 2

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