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Posted to issues@arrow.apache.org by "Wes McKinney (JIRA)" <ji...@apache.org> on 2019/07/07 22:29:00 UTC

[jira] [Updated] (ARROW-5483) [Java] add ValueVector constructors that take a Field object

     [ https://issues.apache.org/jira/browse/ARROW-5483?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Wes McKinney updated ARROW-5483:
--------------------------------
    Fix Version/s:     (was: 0.14.0)
                   1.0.0

> [Java] add ValueVector constructors that take a Field object
> ------------------------------------------------------------
>
>                 Key: ARROW-5483
>                 URL: https://issues.apache.org/jira/browse/ARROW-5483
>             Project: Apache Arrow
>          Issue Type: Task
>          Components: Java
>            Reporter: Pindikura Ravindra
>            Assignee: Pindikura Ravindra
>            Priority: Major
>              Labels: arrow, pull-request-available
>             Fix For: 1.0.0
>
>          Time Spent: 50m
>  Remaining Estimate: 0h
>
> Each instance of a ValueVector instantiates Field and FieldType object, which consume 81 bytes of heap space. This duplication be avoided in cases where all the ValueVectors belong to the same set of columns/schema.



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