Package org.apache.hadoop.hdfs.server.namenode

Class FixedBlockMultiReplicaResolver

java.lang.Object

org.apache.hadoop.hdfs.server.namenode.BlockResolver

org.apache.hadoop.hdfs.server.namenode.FixedBlockResolver

org.apache.hadoop.hdfs.server.namenode.FixedBlockMultiReplicaResolver

All Implemented Interfaces:

Configurable

@Public
@Unstable
public class FixedBlockMultiReplicaResolver
extends FixedBlockResolver

Resolver mapping all files to a configurable, uniform blocksize and replication.

Field Summary

Fields

Modifier and Type	Field	Description
static final String	REPLICATION

Fields inherited from class org.apache.hadoop.hdfs.server.namenode.FixedBlockResolver

BLOCKSIZE, BLOCKSIZE_DEFAULT, START_BLOCK

Constructor Summary

Constructors

Constructor	Description
FixedBlockMultiReplicaResolver()

Method Summary

Modifier and Type	Method	Description
int	getReplication(FileStatus s)
void	setConf(Configuration conf)	Set the configuration to be used by this object.

Methods inherited from class org.apache.hadoop.hdfs.server.namenode.FixedBlockResolver

blockLengths, getConf, lastId, nextId, preferredBlockSize

Methods inherited from class org.apache.hadoop.hdfs.server.namenode.BlockResolver

buildBlock, buildBlock, resolve

Methods inherited from class java.lang.Object

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

Field Details

REPLICATION

public static final String REPLICATION

See Also:

• Constant Field Values

Constructor Details

FixedBlockMultiReplicaResolver

public FixedBlockMultiReplicaResolver()

Method Details

setConf

public void setConf(Configuration conf)

Description copied from interface: Configurable

Set the configuration to be used by this object.

Specified by:

setConf in interface Configurable

Overrides:

setConf in class FixedBlockResolver

Parameters:

conf - configuration to be used

getReplication

public int getReplication(FileStatus s)

Overrides:

getReplication in class FixedBlockResolver

Parameters:

s - the external reference.

Returns:

the replication to assign to this external reference.