Re: aggregation, triggers, and no activity

2021-08-22 Thread Caizhi Weng
Hi! If I'm not mistaken, you would like your window to be triggered every 15 minutes, or if there are no activity for 15 minutes? This seems like an integration of tumbling window and session window. You can refer to ProcessingTimeSessionWindows for the implementation of a session window and modi

aggregation, triggers, and no activity

2021-08-20 Thread Marco Villalobos
I use event time,with Kafka as my source. The system that I am developing requires data to be aggregated every 15 minutes, thus I am using a Tumbling Event Time window. However, my system also is required to take action every 15 minutes even if there is activity. I need the elements collected in t