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:

org.apache.hadoop.conf.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 java.lang.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(org.apache.hadoop.fs.FileStatus s)
void	setConf(org.apache.hadoop.conf.Configuration conf)

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 Detail

REPLICATION

public static final java.lang.String REPLICATION

See Also:

Constant Field Values

Constructor Detail

FixedBlockMultiReplicaResolver

public FixedBlockMultiReplicaResolver()

Method Detail

setConf

public void setConf(org.apache.hadoop.conf.Configuration conf)

Specified by:

setConf in interface org.apache.hadoop.conf.Configurable

Overrides:

setConf in class FixedBlockResolver

getReplication

public int getReplication(org.apache.hadoop.fs.FileStatus s)

Overrides:

getReplication in class FixedBlockResolver

Parameters:

s - the external reference.

Returns:

the replication to assign to this external reference.