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https://issues.apache.org/jira/browse/KAFKA-3029?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ewen Cheslack-Postava updated KAFKA-3029:
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Fix Version/s: 0.9.0.1
> Make class org.apache.kafka.common.TopicPartition Serializable
> --------------------------------------------------------------
>
> Key: KAFKA-3029
> URL: https://issues.apache.org/jira/browse/KAFKA-3029
> Project: Kafka
> Issue Type: Improvement
> Components: clients
> Affects Versions: 0.9.0.0
> Reporter: Praveen Devarao
> Labels: easyfix, patch
> Fix For: 0.9.0.1, 0.9.1.0
>
>
> The client class TopicPartition is exposed and used by consumer applications
> directly. In case where the application needs to checkpoint the state it is
> difficult to serialize different app classes that use TopicPartition as
> TopicParitition is not serializable.
> For instance consider the Spark use case where RDDs have to be
> checkpointed....the KafakaInputDstream (which we are currently modifying to
> use the new Kafka API rather than the Highlevel apis in previous version)
> cannot be serialized due to above limitation.
> I have created a patch to serialize TopicPartition class by making it
> implement serializable interface and have issued a pull request.
> Can this be merged for the next release (0.9.0.1)
> Thanks
> Praveen
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