MemoryUsageStress (clusterbench-common 5.0.1.Final API)

java.lang.Object
- org.jboss.test.clusterbench.common.load.MemoryUsageStress

```
public class MemoryUsageStress
extends Object
```
Stressing MemoryUsageStress

Author:

Michal Babacek Some reading: http://docs.oracle.com/javase/6/docs/api/java/lang/management/MemoryUsage.html http://stackoverflow.com/questions/3422557/sun-jvm-committed-virtual-memory-high-consumption

Constructor Summary

Constructors
Constructor Description

MemoryUsageStress()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`long`	`getFreePhysical()`
`MemoryUsage`	`getHeapMem()`
`MemoryUsage`	`getNonHeapMem()`
`String`	`getStats()`
`long`	`getTotalPhysical()`
`String`	`stressSystemMemory(int megabytes, int milliseconds)`	stressSystemMemory JVM will be forced to put up a specified number of megabytes, thus affecting both memory allocated for JVM already and possible the physical memory as well (in case JVM will have to ask for more memory up to the maxMem constant).

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - MemoryUsageStress
```
public MemoryUsageStress()
```
- Method Detail
  - stressSystemMemory
```
public String stressSystemMemory(int megabytes,
                                 int milliseconds)
```
    stressSystemMemory JVM will be forced to put up a specified number of megabytes, thus affecting both memory allocated for JVM already and possible the physical memory as well (in case JVM will have to ask for more memory up to the maxMem constant).
    
    Parameters:
    
    megabytes -
    
    milliseconds -
    
    Returns:
    
    status before and after the stress
  - getFreePhysical
```
public long getFreePhysical()
                     throws JMException
```
    Throws:
    
    JMException
  - getTotalPhysical
```
public long getTotalPhysical()
                      throws JMException
```
    Throws:
    
    JMException
  - getHeapMem
```
public MemoryUsage getHeapMem()
```
  - getNonHeapMem
```
public MemoryUsage getNonHeapMem()
```
  - getStats
```
public String getStats()
                throws JMException
```
    Throws:
    
    JMException