Hi both, thank you for your responses! Yes Jeff, we expect strictly correct responses. Our starting / ending topologies are near-identical (DC1: A/B/C, DC2: A/B/C), and reads are performed at LOCAL_QUORUM, while writes are done at EACH_QUORUM or ALL.
Thanks, Sam On Thu, Nov 25, 2021 at 9:38 AM Jeff Jirsa <jji...@gmail.com> wrote: > The risk is not negligible if you expect strictly correct responses > > The only way to do this correctly is very, very labor intensive at the > moment, and it requires repair between rebuilds and incrementally adding > replicas such that you don’t violate consistency > > If you give me the starting topology, ending topology, and what > consistency level you use for reads and writes I’ll describe the changes > you have to do to do this safely > > > > On Nov 25, 2021, at 8:49 AM, Erick Ramirez <erick.rami...@datastax.com> > wrote: > > > Yes, you are correct that the source may not necessarily be fully > consistent. But this risk is negligible if your cluster is sized-correctly > and nodes are not dropping mutations. > > If your nodes are dropping mutations because they're overloaded and cannot > keep up with writes, rebuild is probably the least of your problems. Cheers! > >>
