Thanks Kurt. Maybe I wasn't clear before, I was wondering if Flink has implementation of combiner in DataStream (to use after keyBy and windowing).
Thanks again! Le On Sun, Oct 22, 2017 at 8:52 PM, Kurt Young <ykt...@gmail.com> wrote: > Hi, > > The document you are looking at is pretty old, you can check the newest > version here: https://ci.apache.org/projects/flink/flink-docs- > release-1.3/dev/batch/dataset_transformations.html > > Regarding to your question, you can use combineGroup > > Best, > Kurt > > On Mon, Oct 23, 2017 at 5:22 AM, Le Xu <sharonx...@gmail.com> wrote: > >> Hello! >> >> I'm new to Flink and I'm wondering if there is a explicit local combiner >> to each mapper so I can use to perform a local reduce on each mapper? I >> looked up on https://ci.apache.org/projects/flink/flink-docs-release- >> 0.8/dataset_transformations.html but couldn't find anything that matches. >> >> >> Thanks! >> >> Le >> > >