Package org.apache.spark.api.java

Class StorageLevels

Object

org.apache.spark.api.java.StorageLevels

public class StorageLevels
extends Object

Expose some commonly useful storage level constants.

Field Summary

Fields

Modifier and Type	Field	Description
static final StorageLevel	DISK_ONLY
static final StorageLevel	DISK_ONLY_2
static final StorageLevel	DISK_ONLY_3
static final StorageLevel	MEMORY_AND_DISK
static final StorageLevel	MEMORY_AND_DISK_2
static final StorageLevel	MEMORY_AND_DISK_SER
static final StorageLevel	MEMORY_AND_DISK_SER_2
static final StorageLevel	MEMORY_ONLY
static final StorageLevel	MEMORY_ONLY_2
static final StorageLevel	MEMORY_ONLY_SER
static final StorageLevel	MEMORY_ONLY_SER_2
static final StorageLevel	NONE
static final StorageLevel	OFF_HEAP

Constructor Summary

Constructors

Constructor	Description
StorageLevels()

Method Summary

Modifier and Type	Method	Description
static StorageLevel	create(boolean useDisk, boolean useMemory, boolean useOffHeap, boolean deserialized, int replication)	Create a new StorageLevel object.

Methods inherited from class java.lang.Object

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

Field Details

NONE

public static final StorageLevel NONE

DISK_ONLY

public static final StorageLevel DISK_ONLY

DISK_ONLY_2

public static final StorageLevel DISK_ONLY_2

DISK_ONLY_3

public static final StorageLevel DISK_ONLY_3

MEMORY_ONLY

public static final StorageLevel MEMORY_ONLY

MEMORY_ONLY_2

public static final StorageLevel MEMORY_ONLY_2

MEMORY_ONLY_SER

public static final StorageLevel MEMORY_ONLY_SER

MEMORY_ONLY_SER_2

public static final StorageLevel MEMORY_ONLY_SER_2

MEMORY_AND_DISK

public static final StorageLevel MEMORY_AND_DISK

MEMORY_AND_DISK_2

public static final StorageLevel MEMORY_AND_DISK_2

MEMORY_AND_DISK_SER

public static final StorageLevel MEMORY_AND_DISK_SER

MEMORY_AND_DISK_SER_2

public static final StorageLevel MEMORY_AND_DISK_SER_2

OFF_HEAP

public static final StorageLevel OFF_HEAP

Constructor Details

StorageLevels

public StorageLevels()

Method Details

create

public static StorageLevel create(boolean useDisk,
 boolean useMemory,
 boolean useOffHeap,
 boolean deserialized,
 int replication)

Create a new StorageLevel object.

Parameters:

useDisk - saved to disk, if true

useMemory - saved to on-heap memory, if true

useOffHeap - saved to off-heap memory, if true

deserialized - saved as deserialized objects, if true

replication - replication factor