org.apache.cassandra.db.compaction

Class LeveledCompactionTask

java.lang.Object

org.apache.cassandra.utils.WrappedRunnable

org.apache.cassandra.db.compaction.AbstractCompactionTask

org.apache.cassandra.db.compaction.CompactionTask

org.apache.cassandra.db.compaction.LeveledCompactionTask

All Implemented Interfaces:

java.lang.Runnable

public class LeveledCompactionTask
extends CompactionTask

Field Summary

Fields inherited from class org.apache.cassandra.db.compaction.CompactionTask

gcBefore, keepOriginals, logger, totalBytesCompacted

Fields inherited from class org.apache.cassandra.db.compaction.AbstractCompactionTask

cfs, compactionType, isUserDefined, transaction

Constructor Summary

Constructors

Constructor and Description
LeveledCompactionTask(ColumnFamilyStore cfs, LifecycleTransaction txn, int level, int gcBefore, long maxSSTableBytes, boolean majorCompaction)

Method Summary

Modifier and Type	Method and Description
CompactionAwareWriter	getCompactionAwareWriter(ColumnFamilyStore cfs, Directories directories, LifecycleTransaction txn, java.util.Set<SSTableReader> nonExpiredSSTables)
protected int	getLevel()
protected boolean	partialCompactionsAcceptable()
boolean	reduceScopeForLimitedSpace(java.util.Set<SSTableReader> nonExpiredSSTables, long expectedSize)

Methods inherited from class org.apache.cassandra.db.compaction.CompactionTask

addToTotalBytesCompacted, buildCompactionCandidatesForAvailableDiskSpace, executeInternal, getCompactionController, getDirectories, getIsTransient, getMaxDataAge, getMinRepairedAt, getPendingRepair, runMayThrow, updateCompactionHistory

Methods inherited from class org.apache.cassandra.db.compaction.AbstractCompactionTask

execute, setCompactionType, setUserDefined, toString

Methods inherited from class org.apache.cassandra.utils.WrappedRunnable

run

Methods inherited from class java.lang.Object

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

Constructor Detail

LeveledCompactionTask

public LeveledCompactionTask(ColumnFamilyStore cfs,
                             LifecycleTransaction txn,
                             int level,
                             int gcBefore,
                             long maxSSTableBytes,
                             boolean majorCompaction)

Method Detail

getCompactionAwareWriter

public CompactionAwareWriter getCompactionAwareWriter(ColumnFamilyStore cfs,
                                                      Directories directories,
                                                      LifecycleTransaction txn,
                                                      java.util.Set<SSTableReader> nonExpiredSSTables)

Overrides:

getCompactionAwareWriter in class CompactionTask

partialCompactionsAcceptable

protected boolean partialCompactionsAcceptable()

Overrides:

partialCompactionsAcceptable in class CompactionTask

getLevel

protected int getLevel()

Overrides:

getLevel in class CompactionTask

reduceScopeForLimitedSpace

public boolean reduceScopeForLimitedSpace(java.util.Set<SSTableReader> nonExpiredSSTables,
                                          long expectedSize)

Overrides:

reduceScopeForLimitedSpace in class CompactionTask