Hi Mike,
1. Depending on what you need the side output for, you can use metrics to track
some things.
But yes, that’s a very limited subset of all use cases.
2. As you mentioned, you could output a combo record.
Using an Either
Hello Flink experts!
My streaming pipeline makes async IO calls via the recommended AsyncFunction.
The pipeline evolves and I've encountered a requirement to side output
additional events from the function.
As it turned out the side output feature is only available in the following
functions:
