Added the Kafka version and updated the command used.

Regards,
Saurav


From: "Datta, Saurav" <sda...@paypal.com<mailto:sda...@paypal.com>>
Date: Sunday, March 27, 2016 at 10:22 AM
To: "users@kafka.apache.org<mailto:users@kafka.apache.org>" 
<users@kafka.apache.org<mailto:users@kafka.apache.org>>
Subject: Altered retention.ms not working

Hi all,

We had configured our topics with an incorrect retention.ms of 8640000. With 
this, we observed the consumers  are unable to receive any data after 
approximate 2.4 hours; this ties in to 8640000/1000/60/60.

Later we altered the retention.ms to 86400000 (an extra 0), but the consumers 
are still unable to receive any data after approximate 2.4 hours.

Here is the command we used:
bin/kafka-topics.sh --alter --zookeeper <ZKHost:port> --topic <topic name> 
--config retention.ms=86400000
Version -> kafka_2.10-0.9.0.0
Command -> bin/kafka-configs.sh --alter --zookeeper <ZKHost:port> --add-config 
retention.ms=86400000 --entity-name <topic name> --entity-type topics



I realize that there maybe multiple reasons outside of retention.ms due to 
which consumers are not receiving data, but  I am interested in knowing if :

  1.  Is there anywhere else that the retention.ms configuration has to be 
altered ?
  2.  Alter retention.ms does not work and maybe the topics have to be deleted 
and re-created with the correct configuration ?

Appreciate your feedback on this.

Regards,
Saurav

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