Package org.apache.cassandra.db.compaction

Class ActiveCompactions

java.lang.Object

org.apache.cassandra.db.compaction.ActiveCompactions

All Implemented Interfaces:

ActiveCompactionsTracker

public class ActiveCompactions
extends Object
implements ActiveCompactionsTracker

Field Summary

Fields inherited from interface org.apache.cassandra.db.compaction.ActiveCompactionsTracker

NOOP

Constructor Summary

Constructors

Constructor	Description
ActiveCompactions()

Method Summary

Modifier and Type	Method	Description
void	beginCompaction(CompactionInfo.Holder ci)
Map<File,Long>	estimatedRemainingWriteBytes()	Get the estimated number of bytes remaining to write per sstable directory
void	finishCompaction(CompactionInfo.Holder ci)
List<CompactionInfo.Holder>	getCompactions()
Collection<CompactionInfo>	getCompactionsForSSTable(SSTableReader sstable, OperationType compactionType)	Iterates over the active compactions and tries to find CompactionInfos with the given compactionType for the given sstable Number of entries in compactions should be small (< 10) but avoid calling in any time-sensitive context

Methods inherited from class java.lang.Object

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

Constructor Details

ActiveCompactions

public ActiveCompactions()

Method Details

getCompactions

public List<CompactionInfo.Holder> getCompactions()

beginCompaction

public void beginCompaction(CompactionInfo.Holder ci)

Specified by:

beginCompaction in interface ActiveCompactionsTracker

finishCompaction

public void finishCompaction(CompactionInfo.Holder ci)

Specified by:

finishCompaction in interface ActiveCompactionsTracker

estimatedRemainingWriteBytes

public Map<File,Long> estimatedRemainingWriteBytes()

Get the estimated number of bytes remaining to write per sstable directory

getCompactionsForSSTable

public Collection<CompactionInfo> getCompactionsForSSTable(SSTableReader sstable,
 OperationType compactionType)

Iterates over the active compactions and tries to find CompactionInfos with the given compactionType for the given sstable Number of entries in compactions should be small (< 10) but avoid calling in any time-sensitive context