org.apache.hadoop.metrics.jvm
Class JvmMetrics
java.lang.Object
org.apache.hadoop.metrics.jvm.JvmMetrics
- All Implemented Interfaces:
- Updater
public class JvmMetrics
- extends Object
- implements Updater
Singleton class which eports Java Virtual Machine metrics to the metrics API.
Any application can create an instance of this class in order to emit
Java VM metrics.
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
init
public static JvmMetrics init(String processName,
String sessionId)
doUpdates
public void doUpdates(MetricsContext context)
- This will be called periodically (with the period being configuration
dependent).
- Specified by:
doUpdates
in interface Updater
Copyright © 2008 The Apache Software Foundation