org.apache.hadoop.util

类 MemoryCalculatorPlugin

java.lang.Object

org.apache.hadoop.conf.Configured

org.apache.hadoop.util.MemoryCalculatorPlugin

所有已实现的接口:

Configurable

直接已知子类:

LinuxMemoryCalculatorPlugin

已过时。

Use ResourceCalculatorPlugin instead

@Deprecated
public abstract class MemoryCalculatorPlugin
extends Configured

Plugin to calculate virtual and physical memories on the system.

构造器概要

构造器

构造器和说明
MemoryCalculatorPlugin() 已过时。

方法概要

方法

限定符和类型	方法和说明
static MemoryCalculatorPlugin	getMemoryCalculatorPlugin(Class<? extends MemoryCalculatorPlugin> clazz, Configuration conf) 已过时。 Get the MemoryCalculatorPlugin from the class name and configure it.
abstract long	getPhysicalMemorySize() 已过时。 Obtain the total size of the physical memory present in the system.
abstract long	getVirtualMemorySize() 已过时。 Obtain the total size of the virtual memory present in the system.

从类继承的方法 org.apache.hadoop.conf.Configured

getConf, setConf

从类继承的方法 java.lang.Object

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

构造器详细资料

MemoryCalculatorPlugin

public MemoryCalculatorPlugin()

已过时。

方法详细资料

getVirtualMemorySize

public abstract long getVirtualMemorySize()

已过时。

Obtain the total size of the virtual memory present in the system.

返回:

virtual memory size in bytes.

getPhysicalMemorySize

public abstract long getPhysicalMemorySize()

已过时。

Obtain the total size of the physical memory present in the system.

返回:

physical memory size bytes.

getMemoryCalculatorPlugin

public static MemoryCalculatorPlugin getMemoryCalculatorPlugin(Class<? extends MemoryCalculatorPlugin> clazz,
                                               Configuration conf)

已过时。

Get the MemoryCalculatorPlugin from the class name and configure it. If class name is null, this method will try and return a memory calculator plugin available for this system.

参数:

clazz - class-name

conf - configure the plugin with this.

返回:

MemoryCalculatorPlugin