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Kafka, mail # user - Consumers in a consumer group not owning partitions


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Consumers in a consumer group not owning partitions
Javier Iseruk 2013-05-16, 17:28
Hi.
I have a consumer group with five consumers, but only three are consuming.
The topic has 25 partitions (5 brokers with 5 partitions each one), so it
shouldn't be the problem the partitions quantity.

In zookeeper, I see the five consumers in /consumers/$GROUP/ids, but in
/consumers/$GROUP/owners only three of them are owning partitions.

If I restart the consumers, the first three to win the race, can get the
partitions, and the other two don't get anything.

I´m using Kafka 0.7.1.

What could it be happening?

Thanks!!

Javier Iseruk