Hi Peter, Thanks, that's very helpful! We'll go on with upgrading to 2.4.1 and not touching our ZK 3.4.6 for now. I can report back if that actually causes issues just in case anybody is interested.
On Thu, Jul 23, 2020 at 2:00 PM Peter Bukowinski <pmb...@gmail.com> wrote: > Agreed. We use a cloudera distribution of zookeeper, that is versioned at > 3.4.5 (plus a bunch of backported patches) with kafka 2.4 and haven’t had > any issues. > > > > On Jul 23, 2020, at 1:19 PM, Andrey Klochkov <akloch...@liftoff.io> > wrote: > > > > We are running a separate ZK cluster and its version is not really tied > to > > the version of Kafka we're using. > > > > I have seen the Confluent compatibility matrix and based on that our > > *current* version of Kafka is not compatible with our version of ZK, and > we > > haven't seen any problems with that. My suspicion is that Confluent might > > be using some of the newer ZK features such as e.g. dynamic > > configuration and that's where their requirements come from, but that > > doesn't mean Kafka requires the versions of ZK that Confluent lists as > > required for the Confluent platform. > > > > On Thu, Jul 23, 2020 at 1:06 PM M. Manna <manme...@gmail.com> wrote: > > > >> Hi, > >> > >> AFAIK, ZK is packed with Kafka. So if you upgrade to 2.4.1 you’ll get > what > >> is in 2.4.1. > >> > >> It’s a little different however, if you’re hosting ZK in a different > host > >> running independently of Kafka. > >> > >> What’s your situation ? > >> > >> > >> > >> On Thu, 23 Jul 2020 at 21:02, Andrey Klochkov <akloch...@liftoff.io> > >> wrote: > >> > >>> Hello, > >>> We're upgrading our Kafka from 1.1.0 to 2.4.1 and I'm wondering if ZK > >> needs > >>> to be upgraded too (we're currently on 3.4.6). The upgrade guide says > >> that > >>> "kafka has switched to the XXX version of ZK" but never says if > switching > >>> to a newer ZK is mandatory or not. What are the guidelines on keeping > >> Kafka > >>> and ZK compatible? > >>> > >>> -- > >>> Andrey Klochkov > >>> > >> > > > > > > -- > > Andrey Klochkov > > -- Andrey Klochkov
