In old consumer, group coordination is based on zookeeper and new consumer uses inbuilt (not depending on ZK) group coordinator. As of now, auto-migration of migration of old consumers to new consumers is not available. More details here: https://issues.apache.org/jira/browse/KAFKA-4513
On Wed, Aug 30, 2017 at 11:05 AM, sunil kalva <kalva.ka...@gmail.com> wrote: > Hi > Can someone help me here ..! > > On Tue, Aug 29, 2017 at 11:57 PM, sunil kalva <kalva.ka...@gmail.com> > wrote: > > > Hi > > Is there any change in consumer rebalancing algorithm from 0.8.2 and > > 0.10.2 versions. If yes how do i do rolling upgrades of consumer client > > applications, while doing rolling upgrade few of clients might be with > > older algo and few might be with newer algo then rebalancing might not be > > working well. Which can cause duplicates. > > > > Note: All the consumer client applications are reading from the same > topic > > with same group name. > > > > T > > SunilKalva > > >