Uses of Interface
org.apache.cassandra.db.memtable.Memtable

Packages that use Memtable

Package	Description
org.apache.cassandra.db
org.apache.cassandra.db.lifecycle
org.apache.cassandra.db.memtable
org.apache.cassandra.index
org.apache.cassandra.index.internal
org.apache.cassandra.index.sai
org.apache.cassandra.index.sai.disk.v1.vector
org.apache.cassandra.index.sai.memory
org.apache.cassandra.index.sasi
org.apache.cassandra.index.sasi.conf
org.apache.cassandra.notifications
org.apache.cassandra.service.paxos.uncommitted

Uses of Memtable in org.apache.cassandra.db

Fields in org.apache.cassandra.db with type parameters of type Memtable

Modifier and Type	Field	Description
final Iterable<Memtable>	ColumnFamilyStore.ViewFragment.memtables

Methods in org.apache.cassandra.db that return Memtable

Modifier and Type	Method	Description
Memtable	ColumnFamilyStore.createMemtable(AtomicReference<CommitLogPosition> commitLogUpperBound)
Memtable	ColumnFamilyStore.getCurrentMemtable()

Methods in org.apache.cassandra.db that return types with arguments of type Memtable

Modifier and Type	Method	Description
static Iterable<Memtable>	ColumnFamilyStore.activeMemtables()
Iterable<Memtable>	ColumnFamilyStore.getIndexMemtables()

Methods in org.apache.cassandra.db with parameters of type Memtable

Modifier and Type	Method	Description
Future<CommitLogPosition>	ColumnFamilyStore.signalFlushRequired(Memtable memtable, ColumnFamilyStore.FlushReason reason)
Future<CommitLogPosition>	ColumnFamilyStore.switchMemtableIfCurrent(Memtable memtable, ColumnFamilyStore.FlushReason reason)	Switches the memtable iff the live memtable is the one provided

Constructor parameters in org.apache.cassandra.db with type arguments of type Memtable

Modifier	Constructor	Description
	RefViewFragment(List<SSTableReader> sstables, Iterable<Memtable> memtables, Refs<SSTableReader> refs)
	ViewFragment(List<SSTableReader> sstables, Iterable<Memtable> memtables)

Uses of Memtable in org.apache.cassandra.db.lifecycle

Fields in org.apache.cassandra.db.lifecycle with type parameters of type Memtable

Modifier and Type	Field	Description
final List<Memtable>	View.flushingMemtables	contains all memtables that are no longer referenced for writing and are queued for / in the process of being flushed.
final List<Memtable>	View.liveMemtables	ordinarily a list of size 1, but when preparing to flush will contain both the memtable we will flush and the new replacement memtable, until all outstanding write operations on the old table complete.

Methods in org.apache.cassandra.db.lifecycle that return Memtable

Modifier and Type	Method	Description
Memtable	View.getCurrentMemtable()
Memtable	Tracker.getMemtableFor(OpOrder.Group opGroup, CommitLogPosition commitLogPosition)	get the Memtable that the ordered writeOp should be directed to
Memtable	Tracker.switchMemtable(boolean truncating, Memtable newMemtable)	Switch the current memtable.

Methods in org.apache.cassandra.db.lifecycle that return types with arguments of type Memtable

Modifier and Type	Method	Description
Iterable<Memtable>	View.getAllMemtables()

Methods in org.apache.cassandra.db.lifecycle with parameters of type Memtable

Modifier and Type	Method	Description
void	Tracker.markFlushing(Memtable memtable)
void	Tracker.notifyDiscarded(Memtable discarded)
void	Tracker.notifyRenewed(Memtable renewed)
void	Tracker.notifySwitched(Memtable previous, Memtable next)
void	Tracker.replaceFlushed(Memtable memtable, Collection<SSTableReader> sstables)
void	Tracker.reset(Memtable memtable)	(Re)initializes the tracker, purging all references.
Memtable	Tracker.switchMemtable(boolean truncating, Memtable newMemtable)	Switch the current memtable.

Constructors in org.apache.cassandra.db.lifecycle with parameters of type Memtable

Modifier	Constructor	Description
	Tracker(ColumnFamilyStore columnFamilyStore, Memtable memtable, boolean loadsstables)

Uses of Memtable in org.apache.cassandra.db.memtable

Classes in org.apache.cassandra.db.memtable that implement Memtable

Modifier and Type	Class	Description
class	AbstractAllocatorMemtable	A memtable that uses memory tracked and maybe allocated via a MemtableAllocator from a MemtablePool.
class	AbstractMemtable
class	AbstractMemtableWithCommitlog	Memtable that uses a commit log for persistence.
class	AbstractShardedMemtable
class	ShardedSkipListMemtable	A proof-of-concept sharded memtable implementation.
class	SkipListMemtable
class	TrieMemtable	Trie memtable implementation.

Methods in org.apache.cassandra.db.memtable that return Memtable

Modifier and Type	Method	Description
Memtable	Memtable.Factory.create(AtomicReference<CommitLogPosition> commitLogLowerBound, TableMetadataRef metadaRef, Memtable.Owner owner)	Create a memtable.
Memtable	SkipListMemtableFactory.create(AtomicReference<CommitLogPosition> commitLogLowerBound, TableMetadataRef metadaRef, Memtable.Owner owner)
Memtable	Memtable.Owner.getCurrentMemtable()	Get the current memtable for this owner.
Memtable	Memtable.FlushablePartitionSet.memtable()

Methods in org.apache.cassandra.db.memtable that return types with arguments of type Memtable

Modifier and Type	Method	Description
Iterable<Memtable>	Memtable.Owner.getIndexMemtables()	Collect the index memtables flushed together with this.

Methods in org.apache.cassandra.db.memtable with parameters of type Memtable

Modifier and Type	Method	Description
default int	Memtable.compareTo(Memtable that)	Order memtables by time as reflected in the commit log position at time of construction
static List<Flushing.FlushRunnable>	Flushing.flushRunnables(ColumnFamilyStore cfs, Memtable memtable, LifecycleTransaction txn)
static Memtable.MemoryUsage	Memtable.getMemoryUsage(Memtable memtable)	Shorthand for the getting a given table's memory usage.
Future<CommitLogPosition>	Memtable.Owner.signalFlushRequired(Memtable memtable, ColumnFamilyStore.FlushReason reason)	Signal to the owner that a flush is required (e.g.

Uses of Memtable in org.apache.cassandra.index

Methods in org.apache.cassandra.index with parameters of type Memtable

Modifier and Type	Method	Description
void	SecondaryIndexManager.flushAllNonCFSBackedIndexesBlocking(Memtable baseCfsMemtable)	Performs a blocking flush of all custom indexes
default Callable<?>	Index.getBlockingFlushTask(Memtable baseCfs)	Return a task which performs a blocking flush of the index's data corresponding to the provided base table's Memtable.
Index.Indexer	Index.Group.indexerFor(Predicate<Index> indexSelector, DecoratedKey key, RegularAndStaticColumns columns, long nowInSec, WriteContext ctx, IndexTransaction.Type transactionType, Memtable memtable)	Creates an new Indexer object for updates to a given partition.
Index.Indexer	Index.indexerFor(DecoratedKey key, RegularAndStaticColumns columns, long nowInSec, WriteContext ctx, IndexTransaction.Type transactionType, Memtable memtable)	Creates an new Indexer object for updates to a given partition.
Index.Indexer	SingletonIndexGroup.indexerFor(Predicate<Index> indexSelector, DecoratedKey key, RegularAndStaticColumns columns, long nowInSec, WriteContext ctx, IndexTransaction.Type transactionType, Memtable memtable)
UpdateTransaction	SecondaryIndexManager.newUpdateTransaction(PartitionUpdate update, WriteContext ctx, long nowInSec, Memtable memtable)	Transaction for updates on the write path.

Uses of Memtable in org.apache.cassandra.index.internal

Methods in org.apache.cassandra.index.internal with parameters of type Memtable

Modifier and Type	Method	Description
Index.Indexer	CassandraIndex.indexerFor(DecoratedKey key, RegularAndStaticColumns columns, long nowInSec, WriteContext ctx, IndexTransaction.Type transactionType, Memtable memtable)

Uses of Memtable in org.apache.cassandra.index.sai

Methods in org.apache.cassandra.index.sai with parameters of type Memtable

Modifier and Type	Method	Description
Index.Indexer	StorageAttachedIndex.indexerFor(DecoratedKey key, RegularAndStaticColumns columns, long nowInSec, WriteContext writeContext, IndexTransaction.Type transactionType, Memtable memtable)
Index.Indexer	StorageAttachedIndexGroup.indexerFor(Predicate<Index> indexSelector, DecoratedKey key, RegularAndStaticColumns columns, long nowInSec, WriteContext ctx, IndexTransaction.Type transactionType, Memtable memtable)

Uses of Memtable in org.apache.cassandra.index.sai.disk.v1.vector

Constructors in org.apache.cassandra.index.sai.disk.v1.vector with parameters of type Memtable

Modifier	Constructor	Description
	OnHeapGraph(AbstractType<?> termComparator, IndexWriterConfig indexWriterConfig, Memtable memtable)

Uses of Memtable in org.apache.cassandra.index.sai.memory

Methods in org.apache.cassandra.index.sai.memory that return Memtable

Modifier and Type	Method	Description
Memtable	MemtableIndex.getMemtable()

Methods in org.apache.cassandra.index.sai.memory with parameters of type Memtable

Modifier and Type	Method	Description
void	MemtableIndexManager.discardMemtable(Memtable discarded)
long	MemtableIndexManager.index(DecoratedKey key, Row row, Memtable mt)
void	MemtableIndexManager.maybeInitializeMemtableIndex(Memtable memtable)
void	MemtableIndexManager.renewMemtable(Memtable renewed)
long	MemtableIndexManager.update(DecoratedKey key, Row oldRow, Row newRow, Memtable memtable)

Constructors in org.apache.cassandra.index.sai.memory with parameters of type Memtable

Modifier	Constructor	Description
	MemtableIndex(StorageAttachedIndex index, Memtable memtable)
	VectorMemoryIndex(StorageAttachedIndex index, Memtable memtable)

Uses of Memtable in org.apache.cassandra.index.sasi

Methods in org.apache.cassandra.index.sasi with parameters of type Memtable

Modifier and Type	Method	Description
Index.Indexer	SASIIndex.indexerFor(DecoratedKey key, RegularAndStaticColumns columns, long nowInSec, WriteContext context, IndexTransaction.Type transactionType, Memtable memtable)

Uses of Memtable in org.apache.cassandra.index.sasi.conf

Methods in org.apache.cassandra.index.sasi.conf with parameters of type Memtable

Modifier and Type	Method	Description
void	ColumnIndex.discardMemtable(Memtable parent)
void	ColumnIndex.switchMemtable(Memtable parent)

Uses of Memtable in org.apache.cassandra.notifications

Fields in org.apache.cassandra.notifications declared as Memtable

Modifier and Type	Field	Description
final Memtable	MemtableDiscardedNotification.memtable
final Memtable	MemtableSwitchedNotification.next
final Memtable	MemtableSwitchedNotification.previous
final Memtable	MemtableRenewedNotification.renewed

Methods in org.apache.cassandra.notifications that return types with arguments of type Memtable

Modifier and Type	Method	Description
Optional<Memtable>	SSTableAddedNotification.memtable()	Returns the memtable from which the tables come when they have been added due to a memtable flush.

Constructors in org.apache.cassandra.notifications with parameters of type Memtable

Modifier	Constructor	Description
	MemtableDiscardedNotification(Memtable discarded)
	MemtableRenewedNotification(Memtable renewed)
	MemtableSwitchedNotification(Memtable switched, Memtable next)
	SSTableAddedNotification(Iterable<SSTableReader> added, Memtable memtable)	Creates a new SSTableAddedNotification for the specified SSTables and optional memtable.

Uses of Memtable in org.apache.cassandra.service.paxos.uncommitted

Methods in org.apache.cassandra.service.paxos.uncommitted with parameters of type Memtable

Modifier and Type	Method	Description
CloseableIterator<PaxosKeyState>	PaxosUncommittedIndex.flushIterator(Memtable flushing)
CloseableIterator<PaxosKeyState>	PaxosUncommittedTracker.UpdateSupplier.flushIterator(Memtable paxos)
Callable<?>	PaxosUncommittedIndex.getBlockingFlushTask(Memtable paxos)
Index.Indexer	PaxosUncommittedIndex.indexerFor(DecoratedKey key, RegularAndStaticColumns columns, long nowInSec, WriteContext ctx, IndexTransaction.Type transactionType, Memtable memtable)