Hi William, Does the cache need to be fault tolerant? If not you could use a regular in-memory map as cache (+some LRU cleaning). Or do you expect the cache to group too large for the memory?
Best, Fabian Am Mo., 4. Feb. 2019 um 18:00 Uhr schrieb William Saar <will...@saar.se>: > Hi, > I am trying to implement an async function that looks up a value in a > cache or, if the value doesn't exist in the cache, queries a web service, > but I'm having trouble creating the cache. I've tried to create a > RichAsyncFunction and add a map state as cache, but I'm getting: State is > not supported in rich async functions. > > What is the best practice for doing this? I guess I could have a previous > step with state and send the responses from the rich function back as an > iteration, but I would guess that's the wrong approach... > > Thanks, > William > > >
