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Posted to issues@arrow.apache.org by "ASF GitHub Bot (JIRA)" <ji...@apache.org> on 2018/12/23 21:55:00 UTC

[jira] [Updated] (ARROW-3928) [Python] Add option to deduplicate PyBytes / PyString / PyUnicode objects in Table.to_pandas conversion path

     [ https://issues.apache.org/jira/browse/ARROW-3928?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

ASF GitHub Bot updated ARROW-3928:
----------------------------------
    Labels: pull-request-available  (was: )

> [Python] Add option to deduplicate PyBytes / PyString / PyUnicode objects in Table.to_pandas conversion path
> ------------------------------------------------------------------------------------------------------------
>
>                 Key: ARROW-3928
>                 URL: https://issues.apache.org/jira/browse/ARROW-3928
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: Python
>            Reporter: Wes McKinney
>            Assignee: Wes McKinney
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 0.12.0
>
>
> While hashing carries a performance penalty, the memory savings can be huge. See also ARROW-3911 -- we should develop some reusable machinery for conversions that yield Python objects



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