[jira] [Assigned] (FLINK-16413) Reduce hive source parallelism when limit push down

["Jingsong Lee (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-16413?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jingsong Lee reassigned FLINK-16413:
------------------------------------

    Assignee: Jun Zhang

> Reduce hive source parallelism when limit push down
> ---------------------------------------------------
>
>                 Key: FLINK-16413
>                 URL: https://issues.apache.org/jira/browse/FLINK-16413
>             Project: Flink
>          Issue Type: Bug
>          Components: Connectors / Hive
>            Reporter: Jingsong Lee
>            Assignee: Jun Zhang
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 1.11.0
>
>          Time Spent: 20m
>  Remaining Estimate: 0h
>
> User started hive source parallelism automatic inference. For example, Set the maximum parallelism of inference to 10.
> User have a similar SQL SELECT * from mytable limit 1;
> There are more than 10 files in the hive table mytable. Is it a bit wasteful to start 10 parallelism.



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