Yes, that is correct. I filed a JIRA about that issue here: https://issues.apache.org/jira/browse/KAFKA-4682
-James > On Mar 15, 2017, at 8:51 PM, tao xiao <xiaotao...@gmail.com> wrote: > > Hi team, > > I know that Kafka deletes offset for a consumer group after a period of > time (configured by offsets.retention.minutes) if the consumer group is > inactive for this amount of time. I want to understand the definition of > "inactive". I came across this post[1] and it suggests that no offset > committed for this amount of time is considered inactive. Does it mean that > even I have a consumer group that connects to Kafka all the time but no > offset is committed for that amount of time, the offset will still be > deleted? > > > > > [1] > http://stackoverflow.com/questions/39131465/how-does-an-offset-expire-for-an-apache-kafka-consumer-group
