org.apache.flink.table.runtime.operators.aggregate

类 BytesHashMapSpillMemorySegmentPool

java.lang.Object

org.apache.flink.table.runtime.operators.aggregate.BytesHashMapSpillMemorySegmentPool

所有已实现的接口:

org.apache.flink.core.memory.MemorySegmentSource, MemorySegmentPool

public class BytesHashMapSpillMemorySegmentPool
extends Object
implements MemorySegmentPool

MemorySegmentPool for BytesHashMap to fall back to sort agg. nextSegment() not remove segment from segments, just get from segments.

构造器概要

构造器

构造器和说明
BytesHashMapSpillMemorySegmentPool(List<org.apache.flink.core.memory.MemorySegment> memorySegments)

方法概要

限定符和类型	方法和说明
int	freePages()
org.apache.flink.core.memory.MemorySegment	nextSegment()
int	pageSize() Get the page size of each page this pool holds.
void	returnAll(List<org.apache.flink.core.memory.MemorySegment> memory) Return all pages back into this pool.

从类继承的方法 java.lang.Object

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

构造器详细资料

BytesHashMapSpillMemorySegmentPool

public BytesHashMapSpillMemorySegmentPool(List<org.apache.flink.core.memory.MemorySegment> memorySegments)

方法详细资料

nextSegment

public org.apache.flink.core.memory.MemorySegment nextSegment()

指定者:

nextSegment 在接口中 org.apache.flink.core.memory.MemorySegmentSource

returnAll

public void returnAll(List<org.apache.flink.core.memory.MemorySegment> memory)

从接口复制的说明: MemorySegmentPool

Return all pages back into this pool.

指定者:

returnAll 在接口中 MemorySegmentPool

参数:

memory - the pages which want to be returned.

freePages

public int freePages()

指定者:

freePages 在接口中 MemorySegmentPool

返回:

Free page number.

pageSize

public int pageSize()

从接口复制的说明: MemorySegmentPool

Get the page size of each page this pool holds.

指定者:

pageSize 在接口中 MemorySegmentPool

返回:

the page size