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
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 and 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 with parameters of type MemoryAllocator

Modifier and Type	Method and 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.

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

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

Modifier and Type	Method and Description
MemoryAllocator	OutputChannel.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 and Description
static OutputChannel	OutputChannel.pair(WritableFrameChannel writableChannel, MemoryAllocator frameMemoryAllocator, Supplier<ReadableFrameChannel> readableChannelSupplier, int partitionNumber) Creates an output channel pair.

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

Constructor and Description

SuperSorter(List<ReadableFrameChannel> inputChannels, FrameReader frameReader, ClusterBy clusterBy, com.google.common.util.concurrent.ListenableFuture<ClusterByPartitions> outputPartitionsFuture, FrameProcessorExecutor exec, File temporaryDirectory, OutputChannelFactory outputChannelFactory, Supplier<MemoryAllocator> innerFrameAllocatorMaker, int maxActiveProcessors, int maxChannelsPerProcessor, long rowLimit, String cancellationId, SuperSorterProgressTracker superSorterProgressTracker) Initializes a SuperSorter.

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

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

Modifier and Type	Method and Description
static FrameWriterFactory	FrameWriters.makeFrameWriterFactory(FrameType frameType, MemoryAllocator allocator, RowSignature signature, List<SortColumn> sortColumns) Creates a FrameWriterFactory that produces frames of the given FrameType.

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

Constructor and Description
RowBasedFrameWriterFactory(MemoryAllocator allocator, RowSignature signature, List<SortColumn> sortColumns)

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

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

Constructor and Description
ColumnarFrameWriterFactory(MemoryAllocator allocator, RowSignature signature, List<SortColumn> sortColumns) Create a ColumnarFrameWriterFactory.