Package org.apache.hadoop.util

Interface Summary

Interface	Description
SingleArgumentRunnable<T>	Simple interface for a Runnable that takes a single argument.

Class Summary

Class	Description
LinuxMemoryCalculatorPlugin	Plugin to calculate virtual and physical memories on Linux systems.
LinuxResourceCalculatorPlugin	Plugin to calculate resource information on Linux systems.
MemoryCalculatorPlugin	Plugin to calculate virtual and physical memories on the system.
MRAsyncDiskService	This class is a container of multiple thread pools, each for a volume, so that we can schedule async disk operations easily.
PluginDispatcher<T extends org.apache.hadoop.util.ServicePlugin>	Provides convenience functions for dispatching calls through to plugins registered with a class.
ProcessTree	Process tree related operations
ProcfsBasedProcessTree	A Proc file-system based ProcessTree.
ResourceCalculatorPlugin	Plugin to calculate resource information on the system.
ResourceCalculatorPlugin.ProcResourceValues

Enum Summary

Enum	Description
ProcessTree.Signal	The constants for the signals.