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package kamon.system.jmx
import java.lang.management.ManagementFactory
import kamon.metric.GenericEntityRecorder
import kamon.metric.instrument.{ Memory, InstrumentFactory }
class HeapMemoryMetrics(instrumentFactory: InstrumentFactory) extends GenericEntityRecorder(instrumentFactory) {
val memoryBean = ManagementFactory.getMemoryMXBean
def nonHeapUsage = memoryBean.getHeapMemoryUsage
gauge("heap-used", Memory.Bytes, () ⇒ {
nonHeapUsage.getUsed
})
gauge("heap-max", Memory.Bytes, () ⇒ {
nonHeapUsage.getMax
})
gauge("heap-committed", Memory.Bytes, () ⇒ {
nonHeapUsage.getCommitted
})
}
object HeapMemoryMetrics extends JmxSystemMetricRecorderCompanion("heap-memory") {
def apply(instrumentFactory: InstrumentFactory): HeapMemoryMetrics =
new HeapMemoryMetrics(instrumentFactory)
}
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