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https://issues.apache.org/jira/browse/HIVE-20486?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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slim bouguerra updated HIVE-20486:
----------------------------------
    Attachment: HIVE-20486.4.patch

> Kafka: Use Row SerDe + vectorization
> ------------------------------------
>
>                 Key: HIVE-20486
>                 URL: https://issues.apache.org/jira/browse/HIVE-20486
>             Project: Hive
>          Issue Type: Improvement
>          Components: kafka integration
>            Reporter: Gopal V
>            Assignee: slim bouguerra
>            Priority: Major
>              Labels: kafka, vectorization
>             Fix For: 4.0.0
>
>         Attachments: HIVE-20486.3.patch, HIVE-20486.3.patch, 
> HIVE-20486.4.patch, HIVE-20486.4.patch, HIVE-20486.patch
>
>
> KafkaHandler returns unvectorized rows which causes the operators downstream 
> to be slower and sub-optimal.
> Hive has a vectorization shim which allows Kafka streams without complex 
> projections to be wrapped into a vectorized reader via 
> {{hive.vectorized.use.row.serde.deserialize}}.



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