org.apache.hadoop.metrics2
Interface MetricsSystemMXBean

All Known Subinterfaces:
MetricsSystem
All Known Implementing Classes:
DefaultMetricsSystem, MetricsSystemImpl

public interface MetricsSystemMXBean

The JMX interface to the metrics system


Method Summary
 String currentConfig()
           
 void refreshMBeans()
          Force a refresh of MBeans
 void start()
          Start the metrics system
 void stop()
          Stop the metrics system
 

Method Detail

start

void start()
Start the metrics system

Throws:
MetricsException

stop

void stop()
Stop the metrics system

Throws:
MetricsException

refreshMBeans

void refreshMBeans()
Force a refresh of MBeans

Throws:
MetricsException

currentConfig

String currentConfig()
Returns:
the current config Note, avoid getConfig, as it'll turn it into an attribute, which doesn't support multiple lines in the values.
Throws:
MetricsException


Copyright © 2009 The Apache Software Foundation