Stig Rohde Døssing commented on STORM-2994:

You've listed 1.1.0 and 1.1.2 as affected versions. Could you elaborate on 
which version your storm-kafka-client dependency is?

> KafkaSpout consumes messages but doesn't commit offsets
> -------------------------------------------------------
>                 Key: STORM-2994
>                 URL: https://issues.apache.org/jira/browse/STORM-2994
>             Project: Apache Storm
>          Issue Type: Bug
>          Components: storm-kafka-client
>    Affects Versions: 1.1.0, 1.1.2
>            Reporter: RAbreu
>            Priority: Major
> A topology that consumes from two different Kafka clusters: and 
> Spouts consuming from have a low lag (and regularly commit offsets) 
> The Spout that consumes from exhibits either:
> 1- Unknown lag
> 2- Lag that increments as the Spout reads messages from Kafka
> In DEBUG, Offset manager logs: "topic-partition has NO offsets ready to be 
> committed", despite continuing to consume messages.
> Several configuration tweaks were tried, including setting maxRetries to 1, 
> in case messages with a lower offset were being retried (logs didn't show it, 
> though)
> offsetCommitPeriodMs was also  lowered to no avail.
> The only configuration that works is to have 
> ConsumerConfig.ENABLE_AUTO_COMMIT_CONFIG=true, but this is undesired   since 
> we lose processing guarantees.

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