Hardware (Flink : 2.0-SNAPSHOT API)

java.lang.Object
- org.apache.flink.runtime.util.Hardware

```
public class Hardware
extends Object
```
Convenience class to extract hardware specifics of the computer executing the running JVM.

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static int`	`getNumberCPUCores()`	Gets the number of CPU cores (hardware contexts) that the JVM has access to.
`static long`	`getSizeOfPhysicalMemory()`	Returns the size of the physical memory in bytes.

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

- Method Detail
  - getNumberCPUCores
```
public static int getNumberCPUCores()
```
    Gets the number of CPU cores (hardware contexts) that the JVM has access to.
    
    Returns:
    
    The number of CPU cores.
  - getSizeOfPhysicalMemory
```
public static long getSizeOfPhysicalMemory()
```
    Returns the size of the physical memory in bytes.
    
    Returns:
    
    the size of the physical memory in bytes or -1, if the size could not be determined.