Package org.apache.hadoop.tools.fedbalance

Class FedBalanceOptions

java.lang.Object

org.apache.hadoop.tools.fedbalance.FedBalanceOptions

public final class FedBalanceOptions
extends java.lang.Object

Command line options of FedBalance.

Field Summary

Fields

Modifier and Type	Field	Description
static org.apache.commons.cli.Option	BANDWIDTH	Specify bandwidth per map in MB, accepts bandwidth as a fraction.
static org.apache.commons.cli.Options	CLI_OPTIONS
static org.apache.commons.cli.Option	DELAY_DURATION	Specify the delayed duration(millie seconds) to retry the Job.
static org.apache.commons.cli.Option	DIFF_THRESHOLD	Specify the threshold of diff entries.
static org.apache.commons.cli.Option	FORCE_CLOSE_OPEN	If true, in DIFF_DISTCP stage it will force close all open files when there is no diff between the source path and the dst path.
static org.apache.commons.cli.Option	MAP	Max number of maps to use during copy.
static org.apache.commons.cli.Option	TRASH	Move the source path to trash after all the data are sync to target, or delete the source directly, or skip both trash and deletion.

Method Summary

Methods inherited from class java.lang.Object

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

Field Detail

FORCE_CLOSE_OPEN

public static final org.apache.commons.cli.Option FORCE_CLOSE_OPEN

If true, in DIFF_DISTCP stage it will force close all open files when there is no diff between the source path and the dst path. Otherwise the DIFF_DISTCP stage will wait until there is no open files. The default value is `false`.

MAP

public static final org.apache.commons.cli.Option MAP

Max number of maps to use during copy. DistCp will split work as equally as possible among these maps.

BANDWIDTH

public static final org.apache.commons.cli.Option BANDWIDTH

Specify bandwidth per map in MB, accepts bandwidth as a fraction.

DELAY_DURATION

public static final org.apache.commons.cli.Option DELAY_DURATION

Specify the delayed duration(millie seconds) to retry the Job.

DIFF_THRESHOLD

public static final org.apache.commons.cli.Option DIFF_THRESHOLD

Specify the threshold of diff entries.

TRASH

public static final org.apache.commons.cli.Option TRASH

Move the source path to trash after all the data are sync to target, or delete the source directly, or skip both trash and deletion.

CLI_OPTIONS

public static final org.apache.commons.cli.Options CLI_OPTIONS