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Posted to issues@hive.apache.org by "slim bouguerra (JIRA)" <ji...@apache.org> on 2018/10/25 16:21:00 UTC

[jira] [Work started] (HIVE-20486) Kafka: Use Row SerDe + vectorization

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

Work on HIVE-20486 started by slim bouguerra.
---------------------------------------------
> 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
>
>
> 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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