Uses of Interface
org.apache.druid.frame.allocation.MemoryAllocator

Packages that use MemoryAllocator

Package	Description
org.apache.druid.frame.allocation
org.apache.druid.frame.processor
org.apache.druid.frame.write.columnar

Uses of MemoryAllocator in org.apache.druid.frame.allocation

Classes in org.apache.druid.frame.allocation that implement MemoryAllocator

Modifier and Type	Class	Description
class	ArenaMemoryAllocator	Allocator that uses a reusable WritableMemory arena.
class	HeapMemoryAllocator	Allocator that uses ByteBuffer.allocate(int) to create chunks in the JVM heap.

Methods in org.apache.druid.frame.allocation that return MemoryAllocator

Modifier and Type	Method	Description
MemoryAllocator	ArenaMemoryAllocatorFactory.newAllocator()
MemoryAllocator	MemoryAllocatorFactory.newAllocator()	Returns a new allocator with capacity MemoryAllocatorFactory.allocatorCapacity().
MemoryAllocator	SingleMemoryAllocatorFactory.newAllocator()

Methods in org.apache.druid.frame.allocation with parameters of type MemoryAllocator

Modifier and Type	Method	Description
static AppendableMemory	AppendableMemory.create(MemoryAllocator allocator)	Creates an appendable memory instance with a default initial allocation size.
static AppendableMemory	AppendableMemory.create(MemoryAllocator allocator, int initialAllocationSize)	Creates an appendable memory instance using a particular initial allocation size.

Constructors in org.apache.druid.frame.allocation with parameters of type MemoryAllocator

Modifier	Constructor	Description
	SingleMemoryAllocatorFactory(MemoryAllocator allocator)

Uses of MemoryAllocator in org.apache.druid.frame.processor

Methods in org.apache.druid.frame.processor that return MemoryAllocator

Modifier and Type	Method	Description
MemoryAllocator	OutputChannel.getFrameMemoryAllocator()	Returns the memory allocator for the writable channel.
MemoryAllocator	PartitionedOutputChannel.getFrameMemoryAllocator()	Returns the memory allocator for the writable channel.

Methods in org.apache.druid.frame.processor with parameters of type MemoryAllocator

Modifier and Type	Method	Description
static OutputChannel	OutputChannel.immediatelyReadablePair(WritableFrameChannel writableChannel, MemoryAllocator frameMemoryAllocator, ReadableFrameChannel readableChannel, int partitionNumber)	Creates an output channel pair, where the readable channel is usable before writing is complete.
static OutputChannel	OutputChannel.pair(WritableFrameChannel writableChannel, MemoryAllocator frameMemoryAllocator, Supplier<ReadableFrameChannel> readableChannelSupplier, int partitionNumber)	Creates an output channel pair, where the readable channel is not usable until writing is complete.
static PartitionedOutputChannel	PartitionedOutputChannel.pair(WritableFrameChannel writableChannel, MemoryAllocator frameMemoryAllocator, Supplier<PartitionedReadableFrameChannel> readableChannelSupplier)	Creates a partitioned output channel pair.

Uses of MemoryAllocator in org.apache.druid.frame.write.columnar

Constructors in org.apache.druid.frame.write.columnar with parameters of type MemoryAllocator

Modifier	Constructor	Description
	DoubleArrayFrameColumnWriter(ColumnValueSelector selector, MemoryAllocator allocator)
	DoubleFrameMaker(MemoryAllocator allocator, boolean hasNulls)
	FloatArrayFrameColumnWriter(ColumnValueSelector selector, MemoryAllocator allocator)
	FloatFrameMaker(MemoryAllocator allocator, boolean hasNulls)
	LongArrayFrameColumnWriter(ColumnValueSelector selector, MemoryAllocator allocator)
	LongFrameMaker(MemoryAllocator allocator, boolean hasNulls)
	NumericArrayFrameColumnWriter(ColumnValueSelector selector, MemoryAllocator allocator, byte typeCode)