org.apache.flink.runtime.io.network.partition.hybrid.tiered.storage

Class TieredStorageSortBuffer

java.lang.Object

org.apache.flink.runtime.io.network.partition.SortBuffer

org.apache.flink.runtime.io.network.partition.hybrid.tiered.storage.TieredStorageSortBuffer

All Implemented Interfaces:

DataBuffer

public class TieredStorageSortBuffer
extends SortBuffer

When getting buffers, The SortBasedDataBuffer need not recycle the read target buffer..

Field Summary

Fields inherited from class org.apache.flink.runtime.io.network.partition.SortBuffer

bufferRecycler, freeSegments, INDEX_ENTRY_SIZE, isFinished, isReleased, lastIndexEntryAddresses, numTotalBytesRead, readIndexEntryAddress, readOrderIndex, recordRemainingBytes, segments, subpartitionReadOrder

Constructor Summary

Constructors

Constructor and Description
TieredStorageSortBuffer(LinkedList<org.apache.flink.core.memory.MemorySegment> freeSegments, BufferRecycler bufferRecycler, int numSubpartitions, int bufferSize, int numGuaranteedBuffers, boolean isPartialRecordAllowed)

Method Summary

Modifier and Type	Method and Description
BufferWithSubpartition	getNextBuffer(org.apache.flink.core.memory.MemorySegment transitBuffer) Copies data in this DataBuffer to the target MemorySegment in subpartition index order and returns BufferWithSubpartition which contains the copied data and the corresponding subpartition index.

Methods inherited from class org.apache.flink.runtime.io.network.partition.SortBuffer

append, copyRecordOrEvent, finish, getSegmentIndexFromPointer, getSegmentOffsetFromPointer, hasRemaining, isFinished, isReleased, numTotalBytes, numTotalRecords, release, updateReadSubpartitionAndIndexEntryAddress

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

TieredStorageSortBuffer

public TieredStorageSortBuffer(LinkedList<org.apache.flink.core.memory.MemorySegment> freeSegments,
                               BufferRecycler bufferRecycler,
                               int numSubpartitions,
                               int bufferSize,
                               int numGuaranteedBuffers,
                               boolean isPartialRecordAllowed)

Method Detail

getNextBuffer

public BufferWithSubpartition getNextBuffer(@Nullable
                                            org.apache.flink.core.memory.MemorySegment transitBuffer)

Description copied from interface: DataBuffer

Copies data in this DataBuffer to the target MemorySegment in subpartition index order and returns BufferWithSubpartition which contains the copied data and the corresponding subpartition index.