org.apache.hadoop.tools

Class DistCpConstants

java.lang.Object

org.apache.hadoop.tools.DistCpConstants

public class DistCpConstants
extends Object

Utility class to hold commonly used constants.

Field Summary

Fields

Modifier and Type	Field and Description
static int	ACLS_NOT_SUPPORTED
static String	CONF_LABEL_APPEND
static String	CONF_LABEL_ATOMIC_COPY Constants mapping to command line switches/input options
static String	CONF_LABEL_BANDWIDTH_MB
static String	CONF_LABEL_BLOCKS_PER_CHUNK DistCp Blocks Per Chunk: "distcp.blocks.per.chunk".
static String	CONF_LABEL_COPY_BUFFER_SIZE
static String	CONF_LABEL_COPY_LISTING_CLASS
static String	CONF_LABEL_COPY_STRATEGY
static String	CONF_LABEL_DELETE_MISSING
static String	CONF_LABEL_DIFF
static String	CONF_LABEL_DISTCP_JOB_ID DistCp job id for consumers of the Disctp
static String	CONF_LABEL_FILTERS_FILE
static String	CONF_LABEL_IGNORE_FAILURES
static String	CONF_LABEL_LISTING_FILE_PATH
static String	CONF_LABEL_LISTSTATUS_THREADS
static String	CONF_LABEL_LOG_PATH
static String	CONF_LABEL_MAX_CHUNKS_IDEAL
static String	CONF_LABEL_MAX_CHUNKS_TOLERABLE
static String	CONF_LABEL_MAX_MAPS
static String	CONF_LABEL_META_FOLDER
static String	CONF_LABEL_MIN_RECORDS_PER_CHUNK
static String	CONF_LABEL_OVERWRITE
static String	CONF_LABEL_PRESERVE_RAWXATTRS
static String	CONF_LABEL_PRESERVE_STATUS
static String	CONF_LABEL_RDIFF
static String	CONF_LABEL_SIMPLE_LISTING_FILESTATUS_SIZE
static String	CONF_LABEL_SIMPLE_LISTING_RANDOMIZE_FILES
static String	CONF_LABEL_SKIP_CRC
static String	CONF_LABEL_SOURCE_LISTING
static String	CONF_LABEL_SPLIT_RATIO
static String	CONF_LABEL_SSL_CONF
static String	CONF_LABEL_SSL_KEY_STORE_LOCATION Conf label for SSL Key-store location.
static String	CONF_LABEL_SSL_KEYSTORE
static String	CONF_LABEL_SSL_TRUST_STORE_LOCATION Conf label for SSL Trust-store location.
static String	CONF_LABEL_SYNC_FOLDERS
static String	CONF_LABEL_TARGET_FINAL_PATH
static String	CONF_LABEL_TARGET_PATH_EXISTS
static String	CONF_LABEL_TARGET_WORK_PATH
static String	CONF_LABEL_TOTAL_BYTES_TO_BE_COPIED
static String	CONF_LABEL_TOTAL_NUMBER_OF_RECORDS
static String	CONF_LABEL_VERBOSE_LOG
static String	CONF_LABEL_WORK_PATH
static int	COPY_BUFFER_SIZE_DEFAULT
static int	DEFAULT_BANDWIDTH_MB
static int	DEFAULT_LISTSTATUS_THREADS
static int	DEFAULT_MAPS
static int	DUPLICATE_INPUT
static String	HDFS_RESERVED_RAW_DIRECTORY_NAME Value of reserved raw HDFS directory when copying raw.* xattrs.
static int	INVALID_ARGUMENT
static int	MAX_CHUNKS_IDEAL_DEFAULT
static int	MAX_CHUNKS_TOLERABLE_DEFAULT Constants for DistCp default values of configurable values
static int	MIN_RECORDS_PER_CHUNK_DEFAULT
static org.apache.hadoop.fs.Path	NONE_PATH
static String	NONE_PATH_NAME Constants for NONE file deletion
static org.apache.hadoop.fs.Path	RAW_NONE_PATH
static int	SPLIT_RATIO_DEFAULT
static int	SUCCESS Constants for DistCp return code to shell / consumer of ToolRunner's run
static String	UNIFORMSIZE
static int	UNKNOWN_ERROR
static int	XATTRS_NOT_SUPPORTED

Constructor Summary

Constructors

Constructor and Description
DistCpConstants()

Method Summary

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_LISTSTATUS_THREADS

public static final int DEFAULT_LISTSTATUS_THREADS

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Constant Field Values

DEFAULT_MAPS

public static final int DEFAULT_MAPS

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DEFAULT_BANDWIDTH_MB

public static final int DEFAULT_BANDWIDTH_MB

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Constant Field Values

UNIFORMSIZE

public static final String UNIFORMSIZE

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Constant Field Values

CONF_LABEL_ATOMIC_COPY

public static final String CONF_LABEL_ATOMIC_COPY

Constants mapping to command line switches/input options

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Constant Field Values

CONF_LABEL_WORK_PATH

public static final String CONF_LABEL_WORK_PATH

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Constant Field Values

CONF_LABEL_LOG_PATH

public static final String CONF_LABEL_LOG_PATH

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CONF_LABEL_VERBOSE_LOG

public static final String CONF_LABEL_VERBOSE_LOG

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Constant Field Values

CONF_LABEL_IGNORE_FAILURES

public static final String CONF_LABEL_IGNORE_FAILURES

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CONF_LABEL_PRESERVE_STATUS

public static final String CONF_LABEL_PRESERVE_STATUS

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CONF_LABEL_PRESERVE_RAWXATTRS

public static final String CONF_LABEL_PRESERVE_RAWXATTRS

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CONF_LABEL_SYNC_FOLDERS

public static final String CONF_LABEL_SYNC_FOLDERS

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CONF_LABEL_DELETE_MISSING

public static final String CONF_LABEL_DELETE_MISSING

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CONF_LABEL_SSL_CONF

public static final String CONF_LABEL_SSL_CONF

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CONF_LABEL_LISTSTATUS_THREADS

public static final String CONF_LABEL_LISTSTATUS_THREADS

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CONF_LABEL_MAX_MAPS

public static final String CONF_LABEL_MAX_MAPS

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CONF_LABEL_SOURCE_LISTING

public static final String CONF_LABEL_SOURCE_LISTING

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CONF_LABEL_COPY_STRATEGY

public static final String CONF_LABEL_COPY_STRATEGY

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CONF_LABEL_SKIP_CRC

public static final String CONF_LABEL_SKIP_CRC

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CONF_LABEL_OVERWRITE

public static final String CONF_LABEL_OVERWRITE

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CONF_LABEL_APPEND

public static final String CONF_LABEL_APPEND

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CONF_LABEL_DIFF

public static final String CONF_LABEL_DIFF

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CONF_LABEL_RDIFF

public static final String CONF_LABEL_RDIFF

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CONF_LABEL_BANDWIDTH_MB

public static final String CONF_LABEL_BANDWIDTH_MB

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CONF_LABEL_SIMPLE_LISTING_FILESTATUS_SIZE

public static final String CONF_LABEL_SIMPLE_LISTING_FILESTATUS_SIZE

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CONF_LABEL_SIMPLE_LISTING_RANDOMIZE_FILES

public static final String CONF_LABEL_SIMPLE_LISTING_RANDOMIZE_FILES

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CONF_LABEL_FILTERS_FILE

public static final String CONF_LABEL_FILTERS_FILE

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CONF_LABEL_MAX_CHUNKS_TOLERABLE

public static final String CONF_LABEL_MAX_CHUNKS_TOLERABLE

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CONF_LABEL_MAX_CHUNKS_IDEAL

public static final String CONF_LABEL_MAX_CHUNKS_IDEAL

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CONF_LABEL_MIN_RECORDS_PER_CHUNK

public static final String CONF_LABEL_MIN_RECORDS_PER_CHUNK

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CONF_LABEL_SPLIT_RATIO

public static final String CONF_LABEL_SPLIT_RATIO

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CONF_LABEL_TOTAL_BYTES_TO_BE_COPIED

public static final String CONF_LABEL_TOTAL_BYTES_TO_BE_COPIED

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CONF_LABEL_TOTAL_NUMBER_OF_RECORDS

public static final String CONF_LABEL_TOTAL_NUMBER_OF_RECORDS

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CONF_LABEL_SSL_KEYSTORE

public static final String CONF_LABEL_SSL_KEYSTORE

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CONF_LABEL_LISTING_FILE_PATH

public static final String CONF_LABEL_LISTING_FILE_PATH

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CONF_LABEL_TARGET_WORK_PATH

public static final String CONF_LABEL_TARGET_WORK_PATH

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CONF_LABEL_TARGET_FINAL_PATH

public static final String CONF_LABEL_TARGET_FINAL_PATH

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CONF_LABEL_TARGET_PATH_EXISTS

public static final String CONF_LABEL_TARGET_PATH_EXISTS

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CONF_LABEL_DISTCP_JOB_ID

public static final String CONF_LABEL_DISTCP_JOB_ID

DistCp job id for consumers of the Disctp

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CONF_LABEL_META_FOLDER

public static final String CONF_LABEL_META_FOLDER

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CONF_LABEL_COPY_LISTING_CLASS

public static final String CONF_LABEL_COPY_LISTING_CLASS

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CONF_LABEL_COPY_BUFFER_SIZE

public static final String CONF_LABEL_COPY_BUFFER_SIZE

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CONF_LABEL_BLOCKS_PER_CHUNK

public static final String CONF_LABEL_BLOCKS_PER_CHUNK

DistCp Blocks Per Chunk: "distcp.blocks.per.chunk".

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Constant Field Values

CONF_LABEL_SSL_TRUST_STORE_LOCATION

public static final String CONF_LABEL_SSL_TRUST_STORE_LOCATION

Conf label for SSL Trust-store location.

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Constant Field Values

CONF_LABEL_SSL_KEY_STORE_LOCATION

public static final String CONF_LABEL_SSL_KEY_STORE_LOCATION

Conf label for SSL Key-store location.

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Constant Field Values

SUCCESS

public static final int SUCCESS

Constants for DistCp return code to shell / consumer of ToolRunner's run

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Constant Field Values

INVALID_ARGUMENT

public static final int INVALID_ARGUMENT

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DUPLICATE_INPUT

public static final int DUPLICATE_INPUT

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ACLS_NOT_SUPPORTED

public static final int ACLS_NOT_SUPPORTED

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XATTRS_NOT_SUPPORTED

public static final int XATTRS_NOT_SUPPORTED

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UNKNOWN_ERROR

public static final int UNKNOWN_ERROR

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Constant Field Values

MAX_CHUNKS_TOLERABLE_DEFAULT

public static final int MAX_CHUNKS_TOLERABLE_DEFAULT

Constants for DistCp default values of configurable values

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Constant Field Values

MAX_CHUNKS_IDEAL_DEFAULT

public static final int MAX_CHUNKS_IDEAL_DEFAULT

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MIN_RECORDS_PER_CHUNK_DEFAULT

public static final int MIN_RECORDS_PER_CHUNK_DEFAULT

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SPLIT_RATIO_DEFAULT

public static final int SPLIT_RATIO_DEFAULT

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NONE_PATH_NAME

public static final String NONE_PATH_NAME

Constants for NONE file deletion

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NONE_PATH

public static final org.apache.hadoop.fs.Path NONE_PATH

RAW_NONE_PATH

public static final org.apache.hadoop.fs.Path RAW_NONE_PATH

HDFS_RESERVED_RAW_DIRECTORY_NAME

public static final String HDFS_RESERVED_RAW_DIRECTORY_NAME

Value of reserved raw HDFS directory when copying raw.* xattrs.

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Constant Field Values

COPY_BUFFER_SIZE_DEFAULT

public static final int COPY_BUFFER_SIZE_DEFAULT

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Constant Field Values

Constructor Detail

DistCpConstants

public DistCpConstants()