The delta iterations are a batch-only feature. Did you try the DataStream#iterate?
https://ci.apache.org/projects/flink/flink-docs-release-1.1/apis/streaming/index.html#iterations On Mon, Dec 19, 2016 at 5:35 AM, Govindarajan Srinivasaraghavan <govindragh...@gmail.com> wrote: > Hi All, > > I have a use case for which I need some suggestions. It's a streaming > application with kafka source and then groupBy, keyBy and perform some > calculations. The output of each calculation has to be a side input for the > next calculation and also it needs to be sent to a sink. > > Right now I'm achieving this by storing the result state in memory and also > save it in redis cache. I was looking at delta iterations in flink > documentation. It would great if someone can help me understand if I can > achieve this using iterations or any other api. Thanks in advance. > > Regards, > Govind