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https://issues.apache.org/jira/browse/FLINK-3294?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Robert Metzger reassigned FLINK-3294:
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Assignee: Robert Metzger
> KafkaConsumer (0.8) commit offsets using SimpleConsumer.commitOffsets()
> -----------------------------------------------------------------------
>
> Key: FLINK-3294
> URL: https://issues.apache.org/jira/browse/FLINK-3294
> Project: Flink
> Issue Type: Bug
> Components: Kafka Connector
> Reporter: Robert Metzger
> Assignee: Robert Metzger
>
> Currently, the 0.8 consumer for Kafka is committing the offsets manually into
> Zookeeper so that users can track the lag using external tools.
> The 0.8 consumer has a pluggable design, and this component is easily
> pluggable.
> Since OffsetCommitRequest version=1 (supported in 0.8.2 or later), users can
> choose between two offset commit modes:
> a) Let the broker commit into ZK (this is what we are doing from the consumer
> b) Let the broker commit the offset into a special topic.
> By adding a different "OffsetHandler" backend, users can commit offsets from
> the brokers (reducing the total number of ZK connections) or into the
> broker's offset topic.
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