Hello, *Jörn Franke*.
Thank you for reply.
If I correctly realise your answer, the watermark Flink mechanism should
help me sort events in order I need. So I should dig deeper in that issue.
For example, I read three topics, make joins and after get two events by the
same user in this order:
You are working in a distributed system so event ordering by time may not be
sufficient (or most likely not). Due to network delays, devices offline etc it
can happen that an event arrives much later although it happened before. Check
watermarks in flink and read on at least once, mostly once an
Hi there.
I’m a newby with Flink and I need to develop a CEP application using this
technology. At least, we are choosing a tool now. So I have a question how
Flink really fit to my goals.
Buisness requirements:
There is a mobile application. Data is collected in Kafka topics (which are
h