Hi Thomas, Did you follow the instructions:
https://kafka.apache.org/documentation/#upgrade Ismael On Mon, Mar 13, 2017 at 9:43 AM, Thomas KIEFFER < thomas.kief...@olamobile.com.invalid> wrote: > I'm trying to perform an upgrade of 2 kafka cluster of 5 instances, When > I'm doing the switch between 0.10.0.1 and 0.10.1.0 or 0.10.2.0, I saw that > ISR is lost when I upgrade one instance. I didn't find out yet anything > relevant about this problem, logs seems just fine. > eg. > > kafka-topics.sh --describe --zookeeper kazoo002.#####.prv --topic redirects > Topic:redirects PartitionCount:6 ReplicationFactor:2 > Configs:retention.bytes=10737418240 > Topic: redirects Partition: 0 Leader: 1 Replicas: 1,2 Isr: > 1,2 > Topic: redirects Partition: 1 Leader: 2 Replicas: 2,0 Isr: > 2 > Topic: redirects Partition: 2 Leader: 1 Replicas: 0,1 Isr: > 1 > Topic: redirects Partition: 3 Leader: 1 Replicas: 1,0 Isr: > 1 > Topic: redirects Partition: 4 Leader: 2 Replicas: 2,1 Isr: > 2,1 > Topic: redirects Partition: 5 Leader: 2 Replicas: 0,2 Isr: > 2 > > It run with Zookeeper 3.4.6. > > As those clusters are in production, I didn't try to migrate more than 1 > instance after spotting this ISR problem, and then rollback to the original > version 0.10.0.1. > > Any update about this would be greatly receive. > > -- > <https://fr.linkedin.com/in/thomas-kieffer-28517324> > > Thomas Kieffer > > Senior Linux Systems Administrator > > Skype: thomas.kieffer.corporate | Phone: (+352) 691444263 > <+352%20691%20444%20263> | www.olamobile.com > > The information transmitted is intended only for the person or entity to > which it is addressed and may contain confidential and/or privileged > material. Any review, retransmission, dissemination or other use of, or > taking of any action in reliance upon, this information by persons or > entities other than the intended recipient is prohibited. If you received > this in error, please contact the sender and delete the material from any > computer.