public class DefaultVertexParallelismDecider extends Object implements VertexParallelismDecider
VertexParallelismDecider. Currently, in order to make the
number of subpartitions evenly consumed by downstream tasks, we will normalize the decided
parallelism to a power of 2.public int decideParallelismForVertex(List<BlockingResultInfo> consumedResults)
VertexParallelismDeciderdecideParallelismForVertex 在接口中 VertexParallelismDeciderconsumedResults - The information of consumed blocking results.Copyright © 2014–2022 The Apache Software Foundation. All rights reserved.