org.apache.cassandra.db.compaction

Class LeveledManifest

java.lang.Object

org.apache.cassandra.db.compaction.LeveledManifest

public class LeveledManifest
extends java.lang.Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	LeveledManifest.CompactionCandidate

Field Summary

Fields

Modifier and Type	Field and Description
protected java.util.List<SSTableReader>[]	generations
static int	MAX_LEVEL_COUNT

Method Summary

Modifier and Type	Method and Description
void	add(SSTableReader reader)
static LeveledManifest	create(ColumnFamilyStore cfs, int maxSSTableSize, java.lang.Iterable<SSTableReader> sstables, SizeTieredCompactionStrategyOptions options)
static LeveledManifest	create(ColumnFamilyStore cfs, int maxSSTableSize, java.util.List<SSTableReader> sstables)
int[]	getAllLevelSize()
java.lang.Iterable<SSTableReader>	getAllSSTables()
LeveledManifest.CompactionCandidate	getCompactionCandidates()
int	getEstimatedTasks()
java.util.List<SSTableReader>	getLevel(int i)
int	getLevelCount()
int	getLevelSize(int i)
java.util.SortedSet<SSTableReader>	getLevelSorted(int level, java.util.Comparator<SSTableReader> comparator)
int	getNextLevel(java.util.Collection<SSTableReader> sstables)
static long	maxBytesForLevel(int level, long maxSSTableSizeInBytes)
int	remove(SSTableReader reader)
void	repairOverlappingSSTables(int level)
void	replace(java.util.Collection<SSTableReader> removed, java.util.Collection<SSTableReader> added)
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

MAX_LEVEL_COUNT

public static final int MAX_LEVEL_COUNT

generations

protected final java.util.List<SSTableReader>[] generations

Method Detail

create

public static LeveledManifest create(ColumnFamilyStore cfs,
                                     int maxSSTableSize,
                                     java.util.List<SSTableReader> sstables)

create

public static LeveledManifest create(ColumnFamilyStore cfs,
                                     int maxSSTableSize,
                                     java.lang.Iterable<SSTableReader> sstables,
                                     SizeTieredCompactionStrategyOptions options)

add

public void add(SSTableReader reader)

replace

public void replace(java.util.Collection<SSTableReader> removed,
                    java.util.Collection<SSTableReader> added)

repairOverlappingSSTables

public void repairOverlappingSSTables(int level)

maxBytesForLevel

public static long maxBytesForLevel(int level,
                                    long maxSSTableSizeInBytes)

getCompactionCandidates

public LeveledManifest.CompactionCandidate getCompactionCandidates()

Returns:

highest-priority sstables to compact, and level to compact them to If no compactions are necessary, will return null

getLevelSize

public int getLevelSize(int i)

getAllLevelSize

public int[] getAllLevelSize()

remove

public int remove(SSTableReader reader)

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

getLevelCount

public int getLevelCount()

getLevelSorted

public java.util.SortedSet<SSTableReader> getLevelSorted(int level,
                                                         java.util.Comparator<SSTableReader> comparator)

getLevel

public java.util.List<SSTableReader> getLevel(int i)

getEstimatedTasks

public int getEstimatedTasks()

getNextLevel

public int getNextLevel(java.util.Collection<SSTableReader> sstables)

getAllSSTables

public java.lang.Iterable<SSTableReader> getAllSSTables()