org.apache.hadoop.hdfs.server.blockmanagement

Class DatanodeStorageInfo

java.lang.Object

org.apache.hadoop.hdfs.server.blockmanagement.DatanodeStorageInfo

public class DatanodeStorageInfo
extends Object

A Datanode has one or more storages. A storage in the Datanode is represented by this class.

Field Summary

Fields

Modifier and Type	Field and Description
static DatanodeStorageInfo[]	EMPTY_ARRAY

Method Summary

Modifier and Type	Method and Description
org.apache.hadoop.hdfs.server.blockmanagement.DatanodeStorageInfo.AddBlockResult	addBlock(org.apache.hadoop.hdfs.server.blockmanagement.BlockInfoContiguous b)
boolean	equals(Object obj)
int	getBlockReportCount()
org.apache.hadoop.hdfs.server.blockmanagement.DatanodeDescriptor	getDatanodeDescriptor()
String	getStorageID()
StorageType	getStorageType()
int	hashCode()
static void	incrementBlocksScheduled(DatanodeStorageInfo... storages) Increment the number of blocks scheduled for each given storage
boolean	removeBlock(org.apache.hadoop.hdfs.server.blockmanagement.BlockInfoContiguous b)
void	setUtilizationForTesting(long capacity, long dfsUsed, long remaining, long blockPoolUsed)
static org.apache.hadoop.hdfs.protocol.DatanodeInfo[]	toDatanodeInfos(DatanodeStorageInfo[] storages)
static String[]	toStorageIDs(DatanodeStorageInfo[] storages)
static StorageType[]	toStorageTypes(DatanodeStorageInfo[] storages)
String	toString()
void	updateFromStorage(DatanodeStorage storage)

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

EMPTY_ARRAY

public static final DatanodeStorageInfo[] EMPTY_ARRAY

Method Detail

toDatanodeInfos

public static org.apache.hadoop.hdfs.protocol.DatanodeInfo[] toDatanodeInfos(DatanodeStorageInfo[] storages)

toStorageIDs

public static String[] toStorageIDs(DatanodeStorageInfo[] storages)

toStorageTypes

public static StorageType[] toStorageTypes(DatanodeStorageInfo[] storages)

updateFromStorage

public void updateFromStorage(DatanodeStorage storage)

getBlockReportCount

public int getBlockReportCount()

setUtilizationForTesting

public void setUtilizationForTesting(long capacity,
                                     long dfsUsed,
                                     long remaining,
                                     long blockPoolUsed)

getStorageID

public String getStorageID()

getStorageType

public StorageType getStorageType()

addBlock

public org.apache.hadoop.hdfs.server.blockmanagement.DatanodeStorageInfo.AddBlockResult addBlock(org.apache.hadoop.hdfs.server.blockmanagement.BlockInfoContiguous b)

removeBlock

public boolean removeBlock(org.apache.hadoop.hdfs.server.blockmanagement.BlockInfoContiguous b)

getDatanodeDescriptor

public org.apache.hadoop.hdfs.server.blockmanagement.DatanodeDescriptor getDatanodeDescriptor()

incrementBlocksScheduled

public static void incrementBlocksScheduled(DatanodeStorageInfo... storages)

Increment the number of blocks scheduled for each given storage

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object