程序包的使用
org.apache.flink.api.java.sampling

使用org.apache.flink.api.java.sampling的程序包

程序包	说明
org.apache.flink.api.java.functions
org.apache.flink.api.java.sampling

org.apache.flink.api.java.functions使用的org.apache.flink.api.java.sampling中的类

类和说明
IntermediateSampleData The data structure which is transferred between partitions and the coordinator for distributed random sampling.

org.apache.flink.api.java.sampling使用的org.apache.flink.api.java.sampling中的类

类和说明
DistributedRandomSampler For sampling with fraction, the sample algorithms are natively distributed, while it's not true for fixed size sample algorithms.
IntermediateSampleData The data structure which is transferred between partitions and the coordinator for distributed random sampling.
RandomSampler A data sample is a set of data selected from a statistical population by a defined procedure.