org.apache.cassandra.db.compaction.writers

Class MajorLeveledCompactionWriter

java.lang.Object

org.apache.cassandra.utils.concurrent.Transactional.AbstractTransactional

org.apache.cassandra.db.compaction.writers.CompactionAwareWriter

org.apache.cassandra.db.compaction.writers.MajorLeveledCompactionWriter

All Implemented Interfaces:

java.lang.AutoCloseable, Transactional

public class MajorLeveledCompactionWriter
extends CompactionAwareWriter

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.cassandra.utils.concurrent.Transactional.AbstractTransactional

Transactional.AbstractTransactional.State

Nested classes/interfaces inherited from interface org.apache.cassandra.utils.concurrent.Transactional

Transactional.AbstractTransactional

Field Summary

Fields inherited from class org.apache.cassandra.db.compaction.writers.CompactionAwareWriter

cfs, directories, estimatedTotalKeys, isTransient, logger, maxAge, minRepairedAt, nonExpiredSSTables, pendingRepair, sstableWriter, txn

Constructor Summary

Constructors

Constructor and Description
MajorLeveledCompactionWriter(ColumnFamilyStore cfs, Directories directories, LifecycleTransaction txn, java.util.Set<SSTableReader> nonExpiredSSTables, long maxSSTableSize)
MajorLeveledCompactionWriter(ColumnFamilyStore cfs, Directories directories, LifecycleTransaction txn, java.util.Set<SSTableReader> nonExpiredSSTables, long maxSSTableSize, boolean keepOriginals)

Method Summary

Modifier and Type	Method and Description
protected long	getExpectedWriteSize()
boolean	realAppend(UnfilteredRowIterator partition)
void	switchCompactionLocation(Directories.DataDirectory location) Implementations of this method should finish the current sstable writer and start writing to this directory.

Methods inherited from class org.apache.cassandra.db.compaction.writers.CompactionAwareWriter

append, doAbort, doCommit, doPostCleanup, doPrepare, estimatedKeys, finish, getDirectories, getWriteDirectory, maybeSwitchWriter, setRepairedAt

Methods inherited from class org.apache.cassandra.utils.concurrent.Transactional.AbstractTransactional

abort, abort, close, commit, commit, doPreCleanup, prepareToCommit, state

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.cassandra.utils.concurrent.Transactional

abort, close, commit, prepareToCommit

Constructor Detail

MajorLeveledCompactionWriter

public MajorLeveledCompactionWriter(ColumnFamilyStore cfs,
                                    Directories directories,
                                    LifecycleTransaction txn,
                                    java.util.Set<SSTableReader> nonExpiredSSTables,
                                    long maxSSTableSize)

MajorLeveledCompactionWriter

public MajorLeveledCompactionWriter(ColumnFamilyStore cfs,
                                    Directories directories,
                                    LifecycleTransaction txn,
                                    java.util.Set<SSTableReader> nonExpiredSSTables,
                                    long maxSSTableSize,
                                    boolean keepOriginals)

Method Detail

realAppend

public boolean realAppend(UnfilteredRowIterator partition)

Specified by:

realAppend in class CompactionAwareWriter

switchCompactionLocation

public void switchCompactionLocation(Directories.DataDirectory location)

Description copied from class: CompactionAwareWriter

Implementations of this method should finish the current sstable writer and start writing to this directory. Called once before starting to append and then whenever we see a need to start writing to another directory.

Specified by:

switchCompactionLocation in class CompactionAwareWriter

getExpectedWriteSize

protected long getExpectedWriteSize()

Overrides:

getExpectedWriteSize in class CompactionAwareWriter