--
> 发件人：Osian Hedd Hughes
> 发送时间：2018年6月28日(星期四) 00:35
> 收件人：user
> 主 题：DataSet with Multiple reduce Actions
>
> Hi,
>
> I am new to Flink, and I'd like to firstly use it to perform some in
> memory aggregation in batch mode (in some months th
--
发件人：Osian Hedd Hughes
发送时间：2018年6月28日(星期四) 00:35
收件人：user
主 题：DataSet with Multiple reduce Actions
Hi,
I am new to Flink, and I'd like to firstly use it to perform some in memory
aggregation in batch mode (in some months
Hi,
I am new to Flink, and I'd like to firstly use it to perform some in memory
aggregation in batch mode (in some months this will be migrated to
permanent streaming, hence the choice of Flink).
For this, I can successfully create the complex key that I require using
KeySelector & returning a ha
