These values should be, inasmuch as possible, stable across VMs. How slow is slow? Doesn't this happen only once per VM startup?
On Tue, Apr 10, 2018 at 9:33 AM Romain Manni-Bucau <rmannibu...@gmail.com> wrote: > Hi > > does org.apache.beam.sdk.values.TupleTag#genId need to get the > stacktrace or can we use any id generator (like > UUID.random().toString())? Using traces is quite slow under load and > environments where the root stack is not just the "next" level so > skipping it would be nice. > > Romain Manni-Bucau > @rmannibucau | Blog | Old Blog | Github | LinkedIn | Book >