I am also facing the same issue .
Regards, Abhimanyu On Thu, May 18, 2017 at 5:29 AM, Cédric Chantepie < c.chante...@yahoo.fr.invalid> wrote: > Hi, > > I have a test app using Java lib for consumers with Kafka 0.10, using > Kafka storage for offset. > > This app is managing 190 consumers, accross 19 different consumer group, > against 12 distinct topics (details bellow). > > When one app instance is starting, with 40 partitions per topic, it takes > ~1m to get stable assignments on topic partitions for all the workers: long > time but could be understandable ... > > When two instances of the app are started (same kafka server setup), it > goes through an infinite rebalancing loop, not consuming anything. > > This test app is just printing data for now, no long processing. I've > tried several settings (session.timeout, heartbeat, client.id, ...), but > I cannot fix that. > > Is there a know issue related to such case? > > For more details, this app is simulating consumpting by several kinds of > worker/processor, with one distinct consumer group per kind. > > Some different kinds of worker, and so different consumer groups, could > subscribe to a same topic. > > The app is so using 19 distinct consumer groups (1 per simulated worker > kind), against 12 different topics. > > Moreover, per each kind of worker, 10 consumer instances are created and > subscribe using the same consumer group to the appropriate topic.