Package org.apache.accumulo.core.file.blockfile.cache.lru

Class LruBlockCacheConfiguration

java.lang.Object

org.apache.accumulo.core.file.blockfile.cache.lru.LruBlockCacheConfiguration

public final class LruBlockCacheConfiguration
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	LruBlockCacheConfiguration.Builder

Field Summary

Fields

Modifier and Type	Field	Description
static String	ACCEPTABLE_FACTOR_PROPERTY
static Float	DEFAULT_ACCEPTABLE_FACTOR
static Integer	DEFAULT_CONCURRENCY_LEVEL
static Float	DEFAULT_LOAD_FACTOR	Backing Concurrent Map Configuration
static Float	DEFAULT_MEMORY_FACTOR
static Float	DEFAULT_MIN_FACTOR	Eviction thresholds
static Float	DEFAULT_MULTI_FACTOR
static Float	DEFAULT_SINGLE_FACTOR	Priority buckets
static String	EVICTION_THREAD_PROPERTY
static String	MAP_CONCURRENCY_PROPERTY
static String	MAP_LOAD_PROPERTY
static String	MEMORY_FACTOR_PROPERTY
static String	MIN_FACTOR_PROPERTY
static String	MULTI_FACTOR_PROPERTY
static String	PROPERTY_PREFIX
static String	SINGLE_FACTOR_PROPERTY

Constructor Summary

Constructors

Constructor	Description
LruBlockCacheConfiguration(BlockCacheManager.Configuration conf, CacheType type)

Method Summary

Modifier and Type	Method	Description
static LruBlockCacheConfiguration.Builder	builder(CacheType ct)
float	getAcceptableFactor()
long	getBlockSize()
int	getMapConcurrencyLevel()
float	getMapLoadFactor()
long	getMaxSize()
float	getMemoryFactor()
float	getMinFactor()
float	getMultiFactor()
float	getSingleFactor()
boolean	isUseEvictionThread()
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

PROPERTY_PREFIX

public static final String PROPERTY_PREFIX

See Also:

Constant Field Values

DEFAULT_LOAD_FACTOR

public static final Float DEFAULT_LOAD_FACTOR

Backing Concurrent Map Configuration

DEFAULT_CONCURRENCY_LEVEL

public static final Integer DEFAULT_CONCURRENCY_LEVEL

DEFAULT_MIN_FACTOR

public static final Float DEFAULT_MIN_FACTOR

Eviction thresholds

DEFAULT_ACCEPTABLE_FACTOR

public static final Float DEFAULT_ACCEPTABLE_FACTOR

DEFAULT_SINGLE_FACTOR

public static final Float DEFAULT_SINGLE_FACTOR

Priority buckets

DEFAULT_MULTI_FACTOR

public static final Float DEFAULT_MULTI_FACTOR

DEFAULT_MEMORY_FACTOR

public static final Float DEFAULT_MEMORY_FACTOR

ACCEPTABLE_FACTOR_PROPERTY

public static final String ACCEPTABLE_FACTOR_PROPERTY

See Also:

Constant Field Values

MIN_FACTOR_PROPERTY

public static final String MIN_FACTOR_PROPERTY

See Also:

Constant Field Values

SINGLE_FACTOR_PROPERTY

public static final String SINGLE_FACTOR_PROPERTY

See Also:

Constant Field Values

MULTI_FACTOR_PROPERTY

public static final String MULTI_FACTOR_PROPERTY

See Also:

Constant Field Values

MEMORY_FACTOR_PROPERTY

public static final String MEMORY_FACTOR_PROPERTY

See Also:

Constant Field Values

MAP_LOAD_PROPERTY

public static final String MAP_LOAD_PROPERTY

See Also:

Constant Field Values

MAP_CONCURRENCY_PROPERTY

public static final String MAP_CONCURRENCY_PROPERTY

See Also:

Constant Field Values

EVICTION_THREAD_PROPERTY

public static final String EVICTION_THREAD_PROPERTY

See Also:

Constant Field Values

Constructor Detail

LruBlockCacheConfiguration

public LruBlockCacheConfiguration(BlockCacheManager.Configuration conf,
                                  CacheType type)

Method Detail

getAcceptableFactor

public float getAcceptableFactor()

getMinFactor

public float getMinFactor()

getSingleFactor

public float getSingleFactor()

getMultiFactor

public float getMultiFactor()

getMemoryFactor

public float getMemoryFactor()

getMapLoadFactor

public float getMapLoadFactor()

getMapConcurrencyLevel

public int getMapConcurrencyLevel()

isUseEvictionThread

public boolean isUseEvictionThread()

builder

public static LruBlockCacheConfiguration.Builder builder(CacheType ct)

toString

public String toString()

Overrides:

toString in class Object

getMaxSize

public long getMaxSize()

getBlockSize

public long getBlockSize()