java.lang.Object
io.opentelemetry.instrumentation.runtimemetrics.java8.MemoryPools

public final class MemoryPools extends Object
Registers measurements that generate metrics about JVM memory pools.

Example usage:


 MemoryPools.registerObservers(GlobalOpenTelemetry.get());
 

Example metrics being exported: Component

   process.runtime.jvm.memory.init{type="heap",pool="G1 Eden Space"} 1000000
   process.runtime.jvm.memory.usage{type="heap",pool="G1 Eden Space"} 2500000
   process.runtime.jvm.memory.committed{type="heap",pool="G1 Eden Space"} 3000000
   process.runtime.jvm.memory.limit{type="heap",pool="G1 Eden Space"} 4000000
   process.runtime.jvm.memory.usage_after_last_gc{type="heap",pool="G1 Eden Space"} 1500000
   process.runtime.jvm.memory.init{type="non_heap",pool="Metaspace"} 200
   process.runtime.jvm.memory.usage{type="non_heap",pool="Metaspace"} 400
   process.runtime.jvm.memory.committed{type="non_heap",pool="Metaspace"} 500
 
  • Method Details

    • registerObservers

      public static List<AutoCloseable> registerObservers(io.opentelemetry.api.OpenTelemetry openTelemetry)
      Register observers for java runtime memory metrics.