org.apache.cassandra.io.sstable
Class SSTableTracker

java.lang.Object
  org.apache.cassandra.io.sstable.SSTableTracker

All Implemented Interfaces:

java.lang.Iterable<SSTableReader>

public class SSTableTracker
extends java.lang.Object
implements java.lang.Iterable<SSTableReader>

Nested Class Summary

protected class

SSTableTracker.CacheWriter<K,V>

Constructor Summary

SSTableTracker(java.lang.String ksname, java.lang.String cfname)

Method Summary

void	add(java.lang.Iterable<SSTableReader> sstables)
void	clearUnsafe()
long	estimatedKeys()
JMXInstrumentedCache<Pair<Descriptor,DecoratedKey>,java.lang.Long>	getKeyCache()
long	getLiveSize()
JMXInstrumentedCache<DecoratedKey,ColumnFamily>	getRowCache()
java.util.Set<SSTableReader>	getSSTables()
long	getTotalSize()
java.util.Iterator<SSTableReader>	iterator()
void	markCompacted(java.util.Collection<SSTableReader> compacted)
void	replace(java.util.Collection<SSTableReader> oldSSTables, java.lang.Iterable<SSTableReader> replacements)
void	saveKeyCache()
void	saveRowCache()
int	size()
void	spaceReclaimed(long size)
void	updateCacheSizes() Resizes the key and row caches based on the current key estimate.

Methods inherited from class java.lang.Object

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

Constructor Detail

SSTableTracker

public SSTableTracker(java.lang.String ksname,
                      java.lang.String cfname)

Method Detail

saveKeyCache

public void saveKeyCache()
                  throws java.io.IOException

Throws:

java.io.IOException

saveRowCache

public void saveRowCache()
                  throws java.io.IOException

Throws:

java.io.IOException

replace

public void replace(java.util.Collection<SSTableReader> oldSSTables,
                    java.lang.Iterable<SSTableReader> replacements)

add

public void add(java.lang.Iterable<SSTableReader> sstables)

markCompacted

public void markCompacted(java.util.Collection<SSTableReader> compacted)

updateCacheSizes

public void updateCacheSizes()

Resizes the key and row caches based on the current key estimate.

getSSTables

public java.util.Set<SSTableReader> getSSTables()

size

public int size()

iterator

public java.util.Iterator<SSTableReader> iterator()

Specified by:

iterator in interface java.lang.Iterable<SSTableReader>

clearUnsafe

public void clearUnsafe()

getRowCache

public JMXInstrumentedCache<DecoratedKey,ColumnFamily> getRowCache()

estimatedKeys

public long estimatedKeys()

getLiveSize

public long getLiveSize()

getTotalSize

public long getTotalSize()

spaceReclaimed

public void spaceReclaimed(long size)

getKeyCache

public JMXInstrumentedCache<Pair<Descriptor,DecoratedKey>,java.lang.Long> getKeyCache()