Hi. Any advice on this? I just hit this too.
Some ideas:
1. Manage our own separate cache (disk, Redis, etc).
2. Use two operators (first one a cache one and the second is the
RichAsyncFunction). Have a feedback loop by using another Kafka topic or
S3 File source/sink.
On Wed, Feb 9, 2022 at
I have a RichAsyncFunction that does async queries to an external database.
I'm using a Guava cache within the Flink app. I'd like this Guava cache to
be serialized with the rest of Flink state in checkpoint/savepoints.
However, RichAsyncFunction doesn't support the state functionality at all.
The