Le 18/02/2021 à 04:37, Micah Kornfield a écrit : > There is key-value metadata available on Message which might be able to > work in the short term (some sort of encoded message). I think > standardizing how we store statistics per batch does make sense. > > We unfortunately can't add anything to field-node without breaking > compatibility.
Is that actually true? I may be mistaken, but it seems Flatbuffers supports appending new fields to a table while ensuring both backwards and forwards compatibility: https://google.github.io/flatbuffers/md__schemas.html (see "schema evolution" at the end of this document) Regards Antoine.