Hi Lud, This is a known issue(KAFKA-15353 <https://issues.apache.org/jira/browse/KAFKA-15353>) and I've fixed it in v3.5.2 (will get released soon) and v3.6.0.
Thanks. Luke On Mon, Dec 4, 2023 at 6:01 PM Lud Antonie <lud.anto...@coosto.com.invalid> wrote: > Hi Megh, > > No, the number of partitions haven't increased. > The upgrade is done in a test environment, the topic is just created just > before the upgrade. > > As a test I performed a rollback to 2.7.2 and did an upgrade to 3.4.1. > This upgrade went ok i.e. without under replicated partitions. > > Best regards, > Lud > > Op za 2 dec 2023 om 04:08 schreef megh vidani <vidanimeg...@gmail.com>: > > > Hi Lud, > > > > The topics for which you're seeing under replicated partitions, Did you > try > > to increase the number of partitions anytime after creation of those > topics > > before the upgrade? > > > > We have earlier faced issues with 2.8.0, in which we had increased the > > number of partitions for some topics, and for those topics we used to see > > under replicated partitions after every restart. > > > > The reason this happened was, there was a bug in Kafka which assigned a > new > > topicId (different from the original topicId) to newly added partitions > in > > the partition.metadata file, and upon restart of kafka brokers, this > > topicId didn't reconcile between brokers and ZK. > > > > Thanks, > > Megh > > > > On Thu, Nov 30, 2023, 20:10 Lud Antonie <lud.anto...@coosto.com.invalid> > > wrote: > > > > > Hello, > > > > > > After upgrading from 2.7.2 to 3.5.1 some topics are missing a partition > > for > > > one or two brokers. > > > The kafka manager shows "Under replicated%" for the topic. > > > Looking at the topic for some brokers (of 3) partitions are missing (in > > my > > > case 1 partition). > > > A rollback will restore the "Under replicated%" to 0 again (this is the > > > wanted number). > > > > > > Is this a bug of kafka or the kafka manager? > > > > > > Best regards, > > > Lud Antonie > > > > > > > > > -- > > > Met vriendelijke groet / Kind regards, > > > > > > *Lud Antonie* > > > > > > <https://www.coosto.com/> > > > Kennedyplein 101, 5611 ZS, Eindhoven > > > +31(0)402492700 <0031402492700> > > > www.coosto.com > > > <https://twitter.com/CoostoNL> < > https://www.facebook.com/coosto.solution > > > > > > <https://www.instagram.com/coosto_com/> > > > <https://www.linkedin.com/company/coosto> > > > > > > > > -- > Met vriendelijke groet / Kind regards, > > *Lud Antonie* > > <https://www.coosto.com/> > Kennedyplein 101, 5611 ZS, Eindhoven > +31(0)402492700 <0031402492700> > www.coosto.com > <https://twitter.com/CoostoNL> <https://www.facebook.com/coosto.solution> > <https://www.instagram.com/coosto_com/> > <https://www.linkedin.com/company/coosto> >
