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From "slim bouguerra (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-20486) Kafka: Use Row SerDe + vectorization
Date Thu, 25 Oct 2018 16:22:00 GMT

     [ https://issues.apache.org/jira/browse/HIVE-20486?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

slim bouguerra updated HIVE-20486:
----------------------------------
    Attachment: HIVE-20486.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
>             Fix For: 4.0.0
>
>         Attachments: 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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