public final class WrappingCompactionStrategy extends AbstractCompactionStrategy implements INotificationConsumer
AbstractCompactionStrategy.ScannerListcfs, COMPACTION_ENABLED, DEFAULT_TOMBSTONE_COMPACTION_INTERVAL, DEFAULT_TOMBSTONE_THRESHOLD, DEFAULT_UNCHECKED_TOMBSTONE_COMPACTION_OPTION, disableTombstoneCompactions, enabled, isActive, options, TOMBSTONE_COMPACTION_INTERVAL_OPTION, TOMBSTONE_THRESHOLD_OPTION, tombstoneCompactionInterval, tombstoneThreshold, UNCHECKED_TOMBSTONE_COMPACTION_OPTION, uncheckedTombstoneCompaction| Constructor and Description |
|---|
WrappingCompactionStrategy(ColumnFamilyStore cfs) |
| Modifier and Type | Method and Description |
|---|---|
void |
addSSTable(SSTableReader added) |
void |
disable() |
void |
enable() |
java.util.List<SSTableReader> |
filterSSTablesForReads(java.util.List<SSTableReader> sstables) |
AbstractCompactionTask |
getCompactionTask(LifecycleTransaction txn,
int gcBefore,
long maxSSTableBytes) |
int |
getEstimatedRemainingTasks() |
java.util.Collection<AbstractCompactionTask> |
getMaximalTask(int gcBefore,
boolean splitOutput) |
long |
getMaxSSTableBytes() |
java.lang.String |
getName() |
AbstractCompactionTask |
getNextBackgroundTask(int gcBefore) |
AbstractCompactionStrategy.ScannerList |
getScanners(java.util.Collection<SSTableReader> sstables,
Range<Token> range)
Returns a list of KeyScanners given sstables and a range on which to scan.
|
int[] |
getSSTableCountPerLevel() |
int |
getUnleveledSSTables() |
AbstractCompactionTask |
getUserDefinedTask(java.util.Collection<SSTableReader> sstables,
int gcBefore) |
java.util.List<AbstractCompactionStrategy> |
getWrappedStrategies() |
java.util.Collection<java.util.Collection<SSTableReader>> |
groupSSTablesForAntiCompaction(java.util.Collection<SSTableReader> sstablesToGroup)
Method for grouping similar SSTables together, This will be used by
anti-compaction to determine which SSTables should be anitcompacted
as a group.
|
void |
handleNotification(INotification notification,
java.lang.Object sender) |
void |
maybeReloadCompactionStrategy(CFMetaData metadata) |
void |
reloadCompactionStrategy(CFMetaData metadata) |
void |
removeSSTable(SSTableReader sstable) |
void |
replaceSSTables(java.util.Collection<SSTableReader> removed,
java.util.Collection<SSTableReader> added) |
void |
setNewLocalCompactionStrategy(java.lang.Class<? extends AbstractCompactionStrategy> compactionStrategyClass,
java.util.Map<java.lang.String,java.lang.String> options) |
boolean |
shouldDefragment() |
void |
shutdown()
Releases any resources if this strategy is shutdown (when the CFS is reloaded after a schema change).
|
void |
startup()
Performs any extra initialization required
|
static int[] |
sumArrays(int[] a,
int[] b) |
filterSuspectSSTables, getMemtableReservedSize, getScanners, isAffectedByMeteredFlusher, isEnabled, pause, replaceFlushed, resume, shouldBeEnabled, validateOptions, worthDroppingTombstonespublic WrappingCompactionStrategy(ColumnFamilyStore cfs)
public AbstractCompactionTask getNextBackgroundTask(int gcBefore)
getNextBackgroundTask in class AbstractCompactionStrategygcBefore - throw away tombstones older than thispublic java.util.Collection<AbstractCompactionTask> getMaximalTask(int gcBefore, boolean splitOutput)
getMaximalTask in class AbstractCompactionStrategygcBefore - throw away tombstones older than thispublic AbstractCompactionTask getCompactionTask(LifecycleTransaction txn, int gcBefore, long maxSSTableBytes)
getCompactionTask in class AbstractCompactionStrategypublic 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 void maybeReloadCompactionStrategy(CFMetaData metadata)
public void reloadCompactionStrategy(CFMetaData metadata)
public int getUnleveledSSTables()
public int[] getSSTableCountPerLevel()
public static int[] sumArrays(int[] a,
int[] b)
public boolean shouldDefragment()
shouldDefragment in class AbstractCompactionStrategypublic java.lang.String getName()
getName in class AbstractCompactionStrategypublic void replaceSSTables(java.util.Collection<SSTableReader> removed, java.util.Collection<SSTableReader> added)
replaceSSTables in class AbstractCompactionStrategypublic void addSSTable(SSTableReader added)
addSSTable in class AbstractCompactionStrategypublic void removeSSTable(SSTableReader sstable)
removeSSTable in class AbstractCompactionStrategypublic void handleNotification(INotification notification, java.lang.Object sender)
handleNotification in interface INotificationConsumerpublic java.util.List<SSTableReader> filterSSTablesForReads(java.util.List<SSTableReader> sstables)
filterSSTablesForReads in class AbstractCompactionStrategypublic void startup()
AbstractCompactionStrategystartup in class AbstractCompactionStrategypublic void shutdown()
AbstractCompactionStrategyshutdown in class AbstractCompactionStrategypublic void enable()
enable in class AbstractCompactionStrategypublic void disable()
disable in class AbstractCompactionStrategypublic AbstractCompactionStrategy.ScannerList getScanners(java.util.Collection<SSTableReader> sstables, Range<Token> range)
AbstractCompactionStrategygetScanners in class AbstractCompactionStrategypublic java.util.Collection<java.util.Collection<SSTableReader>> groupSSTablesForAntiCompaction(java.util.Collection<SSTableReader> sstablesToGroup)
AbstractCompactionStrategygroupSSTablesForAntiCompaction in class AbstractCompactionStrategypublic java.util.List<AbstractCompactionStrategy> getWrappedStrategies()
public void setNewLocalCompactionStrategy(java.lang.Class<? extends AbstractCompactionStrategy> compactionStrategyClass, java.util.Map<java.lang.String,java.lang.String> options)
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