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Posted to issues@orc.apache.org by "Owen O'Malley (Jira)" <ji...@apache.org> on 2020/06/19 22:20:00 UTC

[jira] [Resolved] (ORC-638) ORCMapredRecordWriter enlarge columnVector with factors when child array size is not large enough

     [ https://issues.apache.org/jira/browse/ORC-638?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Owen O'Malley resolved ORC-638.
-------------------------------
    Fix Version/s: 1.7.0
                   1.6.4
                   1.5.11
       Resolution: Fixed

I just committed this. Thanks, Lei!

> ORCMapredRecordWriter enlarge columnVector with factors when child array size is not large enough
> -------------------------------------------------------------------------------------------------
>
>                 Key: ORC-638
>                 URL: https://issues.apache.org/jira/browse/ORC-638
>             Project: ORC
>          Issue Type: Improvement
>            Reporter: Lei Sun
>            Assignee: Lei Sun
>            Priority: Major
>             Fix For: 1.5.11, 1.6.4, 1.7.0
>
>
> Currently the ensureSize() method is called with the targetSize being current childCount. The downside of it: It could keep triggering resize everytime when new list-as-a-row being added and slow down the write throughput.



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