Package org.apache.hadoop.util

Class NativeCodeLoader

java.lang.Object

org.apache.hadoop.util.NativeCodeLoader

@Private
@Unstable
public final class NativeCodeLoader
extends java.lang.Object

A helper to load the native hadoop code i.e. libhadoop.so. This handles the fallback to either the bundled libhadoop-Linux-i386-32.so or the default java implementations where appropriate.

Method Summary

Modifier and Type	Method	Description
static boolean	buildSupportsIsal()	Returns true only if this build was compiled with support for ISA-L.
static boolean	buildSupportsOpenssl()	Returns true only if this build was compiled with support for openssl.
static boolean	buildSupportsZstd()	Returns true only if this build was compiled with support for ZStandard.
static java.lang.String	getLibraryName()
static boolean	isNativeCodeLoaded()	Check if native-hadoop code is loaded for this platform.

Methods inherited from class java.lang.Object

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

Method Detail

isNativeCodeLoaded

public static boolean isNativeCodeLoaded()

Check if native-hadoop code is loaded for this platform.

Returns:

true if native-hadoop is loaded, else false

buildSupportsIsal

public static boolean buildSupportsIsal()

Returns true only if this build was compiled with support for ISA-L.

Returns:

if this build was compiled with support for ISA-L true, not false.

buildSupportsZstd

public static boolean buildSupportsZstd()

Returns true only if this build was compiled with support for ZStandard.

Returns:

if this build was compiled with support for ZStandard true,not false.

buildSupportsOpenssl

public static boolean buildSupportsOpenssl()

Returns true only if this build was compiled with support for openssl.

Returns:

if this build was compiled with support for openssl true,not false.

getLibraryName

public static java.lang.String getLibraryName()