org.apache.phoenix.pherf.jmx

Class MonitorManager

java.lang.Object

org.apache.phoenix.pherf.jmx.MonitorManager

All Implemented Interfaces:

Runnable

public class MonitorManager
extends Object
implements Runnable

This class starts JMX stats for the configured monitors. Monitors should be configured in MonitorDetails Enum. Each stat implements Monitor. For the duration of any Pherf run, when the configured PherfConstants.MONITOR_FREQUENCY is reached a snapshot of each monitor is taken and dumped out to a log file.

Constructor Summary

Constructors

Constructor and Description
MonitorManager()
MonitorManager(long monitorFrequency)

Method Summary

Methods

Modifier and Type	Method and Description
long	getMonitorFrequency()
long	getRowCount()
boolean	isRunning()
List<Result>	readResults() This method should really only be used for testing
void	run()
boolean	shouldStop()
void	stop()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

MonitorManager

public MonitorManager()
               throws Exception

Throws:

Exception

MonitorManager

public MonitorManager(long monitorFrequency)
               throws Exception

Parameters:

monitorFrequency - Frequency at which monitor stats are written to a log file.

Throws:

Exception

Method Detail

run

public void run()

Specified by:

run in interface Runnable

getMonitorFrequency

public long getMonitorFrequency()

shouldStop

public boolean shouldStop()

stop

public void stop()

getRowCount

public long getRowCount()

isRunning

public boolean isRunning()

readResults

public List<Result> readResults()
                         throws Exception

This method should really only be used for testing

Returns:

List < Result >

Throws:

IOException

Exception