Re: sampling function

2016-07-09 Thread Greg Hogan
Hi Do, DataSet provides a stable @Public interface. DataSetUtils is marked @PublicEvolving which is intended for public use, has stable behavior, but method signatures may change. It's also good to limit DataSet to common methods whereas the utility methods tend to be used for specific application

sampling function

2016-07-09 Thread Le Quoc Do
Hi all, I'm working on approximate computing using sampling techniques. I recognized that Flink supports the sample function for Dataset (org/apache/flink/api/java/utils/DataSetUtils.java). I'm just wondering why you didn't merge the function to org/apache/flink/api/java/DataSet.java since the sam