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From "Aldo Sinanaj (JIRA)" <j...@apache.org>
Subject [jira] [Created] (KAFKA-7095) Low traffic consumer is not consuming messages after the offsets is deleted by Kafka
Date Mon, 25 Jun 2018 16:01:00 GMT
Aldo Sinanaj created KAFKA-7095:
-----------------------------------

             Summary: Low traffic consumer is not consuming messages after the offsets is
deleted by Kafka
                 Key: KAFKA-7095
                 URL: https://issues.apache.org/jira/browse/KAFKA-7095
             Project: Kafka
          Issue Type: Bug
          Components: clients
    Affects Versions: 0.10.1.1
            Reporter: Aldo Sinanaj


Hello guys.

I have a low traffic consumers for a given consumer group and I have the default broker setting
for this property *offsets.retention.minutes*. So if a messages is coming after 2 days and
Kafka has deleted the offset for that given consumer, then the consumer will not consume the
new incoming messages. If I restart the application it will consume from the earliest which
is obvious since the offset is deleted.

My question is why it doesn't consume the new messages if I don't restart the application?
And how does this version of Kafka understands if a consumer is active or inactive? Is my
consumer considered inactive in this case?

Thanks,

Aldo



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