OSMXBean (Apache ZooKeeper - Server 3.9.1 API)

java.lang.Object
- org.apache.zookeeper.server.util.OSMXBean

```
public class OSMXBean
extends Object
```
This class is a wrapper for the implementation of com.sun.management.UnixOperatingSystemMXBean It will decide to use the sun api or its own implementation depending on the runtime (vendor) used.

Constructor Summary

Constructors
Constructor Description

OSMXBean()
Constructor.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`long`	`getMaxFileDescriptorCount()`	Get the number of the maximum file descriptors the system can use.
`long`	`getOpenFileDescriptorCount()`	Get the number of opened filed descriptor for the runtime jvm.
`boolean`	`getUnix()`	Check if the OS is unix.

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

- Constructor Detail
  - OSMXBean
```
public OSMXBean()
```
    Constructor. Get the running Operating System instance
- Method Detail
  - getUnix
```
public boolean getUnix()
```
    Check if the OS is unix. If using the IBM java runtime, this will only work for linux.
    
    Returns:
    
    whether this is unix or not.
  - getOpenFileDescriptorCount
```
public long getOpenFileDescriptorCount()
```
    Get the number of opened filed descriptor for the runtime jvm. If sun java, it will use the com.sun.management interfaces. Otherwise, this methods implements it (linux only).
    
    Returns:
    
    number of open file descriptors for the jvm
  - getMaxFileDescriptorCount
```
public long getMaxFileDescriptorCount()
```
    Get the number of the maximum file descriptors the system can use. If sun java, it will use the com.sun.management interfaces. Otherwise, this methods implements it (linux only).
    
    Returns:
    
    max number of file descriptors the operating system can use.