Hi. If you can cache the data i state it’s the preferred way. Then you read all you values from a store do a key by and store them in state in a coprocessfunction. If you need to do a lookup for every row you have to use the AsyncIO function
Med venlig hilsen / Best regards Lasse Nedergaard > Den 30. maj 2020 kl. 18.49 skrev Taher Koitawala <taher...@gmail.com>: > > > The Open method would be a great! And close method could close it when > operator closes! > > Also for external calls AsyncIO is a great operator. Give that a look. > > > Regards, > Taher Koitawala > >> On Sat, May 30, 2020, 10:17 PM Aissa Elaffani <aissaelaff...@gmail.com> >> wrote: >> Hello Guys, >> I want to enrich a data stream with some mongoDB data, and I am willing to >> use the RichFlatMapFunction, and I am lost , i don't know where to configure >> the connection with my MongoDB. Can anyone Help me in this ? >> Best, >> Aissa >>