org.apache.flink.runtime.scheduler.adaptivebatch

接口 VertexParallelismDecider

所有已知实现类:

DefaultVertexParallelismDecider

public interface VertexParallelismDecider

VertexParallelismDecider is responsible for determining the parallelism of a job vertex, based on the size of the consumed blocking results.

方法概要

限定符和类型	方法和说明
int	decideParallelismForVertex(JobVertexID jobVertexId, List<BlockingResultInfo> consumedResults, int vertexMaxParallelism) Computing the parallelism.

方法详细资料

decideParallelismForVertex

int decideParallelismForVertex(JobVertexID jobVertexId,
                               List<BlockingResultInfo> consumedResults,
                               int vertexMaxParallelism)

Computing the parallelism.

参数:

jobVertexId - The job vertex id.

consumedResults - The information of consumed blocking results.

vertexMaxParallelism - The max parallelism of the job vertex.

返回:

the parallelism of the job vertex.