public class DateTieredCompactionStrategy extends AbstractCompactionStrategy
AbstractCompactionStrategy.ScannerList| Modifier and Type | Field and Description |
|---|---|
protected int |
estimatedRemainingTasks |
cfs, COMPACTION_ENABLED, DEFAULT_TOMBSTONE_COMPACTION_INTERVAL, DEFAULT_TOMBSTONE_THRESHOLD, DEFAULT_UNCHECKED_TOMBSTONE_COMPACTION_OPTION, disableTombstoneCompactions, isActive, ONLY_PURGE_REPAIRED_TOMBSTONES, TOMBSTONE_COMPACTION_INTERVAL_OPTION, TOMBSTONE_THRESHOLD_OPTION, tombstoneCompactionInterval, tombstoneThreshold, UNCHECKED_TOMBSTONE_COMPACTION_OPTION, uncheckedTombstoneCompaction| Constructor and Description |
|---|
DateTieredCompactionStrategy(ColumnFamilyStore cfs,
java.util.Map<java.lang.String,java.lang.String> options) |
| Modifier and Type | Method and Description |
|---|---|
void |
addSSTable(SSTableReader sstable) |
static java.util.List<Pair<SSTableReader,java.lang.Long>> |
createSSTableAndMinTimestampPairs(java.lang.Iterable<SSTableReader> sstables) |
int |
getEstimatedRemainingTasks() |
java.util.Collection<AbstractCompactionTask> |
getMaximalTask(int gcBefore,
boolean splitOutput) |
long |
getMaxSSTableBytes() |
AbstractCompactionTask |
getNextBackgroundTask(int gcBefore) |
AbstractCompactionTask |
getUserDefinedTask(java.util.Collection<SSTableReader> sstables,
int gcBefore) |
java.util.Collection<java.util.Collection<SSTableReader>> |
groupSSTablesForAntiCompaction(java.util.Collection<SSTableReader> sstablesToGroup)
DTCS should not group sstables for anticompaction - this can mix new and old data
|
void |
removeSSTable(SSTableReader sstable) |
java.lang.String |
toString() |
static java.util.Map<java.lang.String,java.lang.String> |
validateOptions(java.util.Map<java.lang.String,java.lang.String> options) |
createSSTableMultiWriter, disable, enable, filterSuspectSSTables, getCompactionTask, getDirectories, getMemtableReservedSize, getName, getScanners, getScanners, getScanners, isAffectedByMeteredFlusher, pause, replaceFlushed, replaceSSTables, resume, shouldBeEnabled, shouldDefragment, shutdown, startup, worthDroppingTombstonespublic DateTieredCompactionStrategy(ColumnFamilyStore cfs, java.util.Map<java.lang.String,java.lang.String> options)
public AbstractCompactionTask getNextBackgroundTask(int gcBefore)
getNextBackgroundTask in class AbstractCompactionStrategygcBefore - throw away tombstones older than thispublic static java.util.List<Pair<SSTableReader,java.lang.Long>> createSSTableAndMinTimestampPairs(java.lang.Iterable<SSTableReader> sstables)
sstables - public void addSSTable(SSTableReader sstable)
addSSTable in class AbstractCompactionStrategypublic void removeSSTable(SSTableReader sstable)
removeSSTable in class AbstractCompactionStrategypublic java.util.Collection<AbstractCompactionTask> getMaximalTask(int gcBefore, boolean splitOutput)
getMaximalTask in class AbstractCompactionStrategygcBefore - throw away tombstones older than thispublic AbstractCompactionTask getUserDefinedTask(java.util.Collection<SSTableReader> sstables, int gcBefore)
getUserDefinedTask in class AbstractCompactionStrategysstables - SSTables to compact. Must be marked as compacting.gcBefore - throw away tombstones older than thispublic int getEstimatedRemainingTasks()
getEstimatedRemainingTasks in class AbstractCompactionStrategypublic long getMaxSSTableBytes()
getMaxSSTableBytes in class AbstractCompactionStrategypublic java.util.Collection<java.util.Collection<SSTableReader>> groupSSTablesForAntiCompaction(java.util.Collection<SSTableReader> sstablesToGroup)
groupSSTablesForAntiCompaction in class AbstractCompactionStrategypublic static java.util.Map<java.lang.String,java.lang.String> validateOptions(java.util.Map<java.lang.String,java.lang.String> options)
throws ConfigurationException
ConfigurationExceptionpublic java.lang.String toString()
toString in class java.lang.ObjectCopyright © 2016 The Apache Software Foundation