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https://issues.apache.org/jira/browse/ARROW-3928?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wes McKinney resolved ARROW-3928.
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Resolution: Fixed
Issue resolved by pull request 3257
[https://github.com/apache/arrow/pull/3257]
> [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
>
> Time Spent: 1h 20m
> Remaining Estimate: 0h
>
> 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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