tachyon.util

Class UnderfsUtils

java.lang.Object

tachyon.util.UnderfsUtils

public class UnderfsUtils
extends Object

Utilities related to under filesystem

Constructor Summary

Constructors

Constructor and Description
UnderfsUtils()

Method Summary

Methods

Modifier and Type	Method and Description
static void	loadUnderFs(String tfsAddrRootPath, String ufsAddrRootPath, String excludePaths) Load files under path "ufsAddrRootPath" (excluding excludePathPrefix relative to the path) to the given tfs under a given destination path.
static void	loadUnderFs(TachyonFS tfs, String tfsRootPath, String ufsAddrRootPath, PrefixList excludePathPrefix) Load files under path "ufsAddress/ufsRootPath" (excluding excludePathPrefix) to the given tfs under the given tfsRootPath directory.
static void	main(String[] args)
static void	printUsage()

Methods inherited from class java.lang.Object

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

Constructor Detail

UnderfsUtils

public UnderfsUtils()

Method Detail

loadUnderFs

public static void loadUnderFs(String tfsAddrRootPath,
               String ufsAddrRootPath,
               String excludePaths)
                        throws IOException

Load files under path "ufsAddrRootPath" (excluding excludePathPrefix relative to the path) to the given tfs under a given destination path.

Parameters:

tfsAddrRootPath - the TFS address and path to load the src files, like "tachyon://host:port/dest".

ufsAddrRootPath - the address and root path of the under FS, like "hdfs://host:port/src".

excludePaths - paths to exclude from ufsRootPath, which will not be loaded in TFS.

Throws:

IOException

loadUnderFs

public static void loadUnderFs(TachyonFS tfs,
               String tfsRootPath,
               String ufsAddrRootPath,
               PrefixList excludePathPrefix)
                        throws IOException

Load files under path "ufsAddress/ufsRootPath" (excluding excludePathPrefix) to the given tfs under the given tfsRootPath directory.

Parameters:

tfs - the TFS handler created out of address like "tachyon://host:port"

tfsRootPath - the destination point in TFS to load the under FS path onto

ufsAddrRootPath - the address and root path of the under FS, like "hdfs://host:port/dir".

excludePathPrefix - paths to exclude from ufsRootPath, which will not be registered in TFS.

Throws:

IOException

main

public static void main(String[] args)

printUsage

public static void printUsage()