https://ci.apache.org/projects/flink/flink-docs-release-1.4/dev/stream/operators/windows.html#reducefunction https://ci.apache.org/projects/flink/flink-docs-release-1.4/dev/stream/operators/windows.html#processwindowfunction-with-incremental-aggregation
Jstorm also supports incremental aggregation upon the window. 2017-12-22 13:31 GMT+08:00 Jungtaek Lim <[email protected]>: > Hi Jinhua, > > could you refer the link of doc for Flink? I'm not exactly aware of > incremental aggregation upon the window, so let me take a look at. > > 2017년 12월 21일 (목) 오후 2:09, Jinhua Luo <[email protected]>님이 작성: >> >> Hi All, >> >> The window may buffer many tuples before evaluation, does storm >> support incremental aggregation upon the window, just like flink does?
