Package org.apache.cassandra.service

Class CacheService

java.lang.Object

org.apache.cassandra.service.CacheService

All Implemented Interfaces:

CacheServiceMBean

public class CacheService
extends Object
implements CacheServiceMBean

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static enum	CacheService.CacheType
static class	CacheService.CounterCacheSerializer
static class	CacheService.KeyCacheSerializer
static class	CacheService.RowCacheSerializer

Field Summary

Fields

Modifier and Type	Field	Description
final AutoSavingCache<CounterCacheKey,ClockAndCount>	counterCache
static final CacheService	instance
final AutoSavingCache<KeyCacheKey,AbstractRowIndexEntry>	keyCache
static final String	MBEAN_NAME
final AutoSavingCache<RowCacheKey,IRowCacheEntry>	rowCache

Method Summary

Modifier and Type	Method	Description
int	getCounterCacheKeysToSave()
int	getCounterCacheSavePeriodInSeconds()
int	getKeyCacheKeysToSave()
int	getKeyCacheSavePeriodInSeconds()
int	getRowCacheKeysToSave()
int	getRowCacheSavePeriodInSeconds()
void	invalidateCounterCache()
void	invalidateCounterCacheForCf(TableMetadata tableMetadata)
void	invalidateKeyCache()	invalidate the key cache; for use after invalidating row cache
void	invalidateKeyCacheForCf(TableMetadata tableMetadata)
void	invalidateRowCache()	invalidate the row cache; for use after bulk loading via BinaryMemtable
void	invalidateRowCacheForCf(TableMetadata tableMetadata)
void	saveCaches()	save row and key caches
void	setCounterCacheCapacityInMB(long capacity)
void	setCounterCacheKeysToSave(int count)
void	setCounterCacheSavePeriodInSeconds(int seconds)
void	setKeyCacheCapacityInMB(long capacity)
void	setKeyCacheKeysToSave(int count)
void	setKeyCacheSavePeriodInSeconds(int seconds)
void	setRowCacheCapacityInMB(long capacity)
void	setRowCacheKeysToSave(int count)
void	setRowCacheSavePeriodInSeconds(int seconds)

Methods inherited from class java.lang.Object

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

Field Details

MBEAN_NAME

public static final String MBEAN_NAME

See Also:

• Constant Field Values

instance

public static final CacheService instance

keyCache

public final AutoSavingCache<KeyCacheKey,AbstractRowIndexEntry> keyCache

rowCache

public final AutoSavingCache<RowCacheKey,IRowCacheEntry> rowCache

counterCache

public final AutoSavingCache<CounterCacheKey,ClockAndCount> counterCache

Method Details

getRowCacheSavePeriodInSeconds

public int getRowCacheSavePeriodInSeconds()

Specified by:

getRowCacheSavePeriodInSeconds in interface CacheServiceMBean

setRowCacheSavePeriodInSeconds

public void setRowCacheSavePeriodInSeconds(int seconds)

Specified by:

setRowCacheSavePeriodInSeconds in interface CacheServiceMBean

getKeyCacheSavePeriodInSeconds

public int getKeyCacheSavePeriodInSeconds()

Specified by:

getKeyCacheSavePeriodInSeconds in interface CacheServiceMBean

setKeyCacheSavePeriodInSeconds

public void setKeyCacheSavePeriodInSeconds(int seconds)

Specified by:

setKeyCacheSavePeriodInSeconds in interface CacheServiceMBean

getCounterCacheSavePeriodInSeconds

public int getCounterCacheSavePeriodInSeconds()

Specified by:

getCounterCacheSavePeriodInSeconds in interface CacheServiceMBean

setCounterCacheSavePeriodInSeconds

public void setCounterCacheSavePeriodInSeconds(int seconds)

Specified by:

setCounterCacheSavePeriodInSeconds in interface CacheServiceMBean

getRowCacheKeysToSave

public int getRowCacheKeysToSave()

Specified by:

getRowCacheKeysToSave in interface CacheServiceMBean

setRowCacheKeysToSave

public void setRowCacheKeysToSave(int count)

Specified by:

setRowCacheKeysToSave in interface CacheServiceMBean

getKeyCacheKeysToSave

public int getKeyCacheKeysToSave()

Specified by:

getKeyCacheKeysToSave in interface CacheServiceMBean

setKeyCacheKeysToSave

public void setKeyCacheKeysToSave(int count)

Specified by:

setKeyCacheKeysToSave in interface CacheServiceMBean

getCounterCacheKeysToSave

public int getCounterCacheKeysToSave()

Specified by:

getCounterCacheKeysToSave in interface CacheServiceMBean

setCounterCacheKeysToSave

public void setCounterCacheKeysToSave(int count)

Specified by:

setCounterCacheKeysToSave in interface CacheServiceMBean

invalidateKeyCache

public void invalidateKeyCache()

Description copied from interface: CacheServiceMBean

invalidate the key cache; for use after invalidating row cache

Specified by:

invalidateKeyCache in interface CacheServiceMBean

invalidateKeyCacheForCf

public void invalidateKeyCacheForCf(TableMetadata tableMetadata)

invalidateRowCache

public void invalidateRowCache()

Description copied from interface: CacheServiceMBean

invalidate the row cache; for use after bulk loading via BinaryMemtable

Specified by:

invalidateRowCache in interface CacheServiceMBean

invalidateRowCacheForCf

public void invalidateRowCacheForCf(TableMetadata tableMetadata)

invalidateCounterCacheForCf

public void invalidateCounterCacheForCf(TableMetadata tableMetadata)

invalidateCounterCache

public void invalidateCounterCache()

Specified by:

invalidateCounterCache in interface CacheServiceMBean

setRowCacheCapacityInMB

public void setRowCacheCapacityInMB(long capacity)

Specified by:

setRowCacheCapacityInMB in interface CacheServiceMBean

setKeyCacheCapacityInMB

public void setKeyCacheCapacityInMB(long capacity)

Specified by:

setKeyCacheCapacityInMB in interface CacheServiceMBean

setCounterCacheCapacityInMB

public void setCounterCacheCapacityInMB(long capacity)

Specified by:

setCounterCacheCapacityInMB in interface CacheServiceMBean

saveCaches

public void saveCaches()
                throws ExecutionException,
InterruptedException

Description copied from interface: CacheServiceMBean

save row and key caches

Specified by:

saveCaches in interface CacheServiceMBean

Throws:

ExecutionException - when attempting to retrieve the result of a task that aborted by throwing an exception

InterruptedException - when a thread is waiting, sleeping, or otherwise occupied, and the thread is interrupted, either before or during the activity.