That procedure looks safe and sane to me, Marina.
> On Aug 2, 2020, at 10:04 AM, Marina Popova <ppine7...@protonmail.com.invalid> > wrote: > > > Actually, I'm very interested in your experience as well.... I'm about to > start the same (similar) upgrade - from Kafka 0.11/ZK3.4.13 to Kafka 2.4/ZK > 3.5.6 > > I have Kafka and ZK as separate clusters. > > My plan is : > 1. rolling upgrade the Kafka cluster to 2.4 - using the > inter.broker.protocol.version set to 0.11 at first > 2. rolling upgrade ZK cluster to 3.5.6 > 3. set inter.broker.protocol.version=2.4.0 and rolling restart the Kafka > cluster again > > Anybody sees a problem with this approach? > > > thanks, > Marina > > > Sent with ProtonMail Secure Email. > > ‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐ >> On Thursday, July 23, 2020 4:01 PM, 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 > >
