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https://issues.apache.org/jira/browse/ARROW-2660?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Antoine Pitrou resolved ARROW-2660.
-----------------------------------
Resolution: Fixed
Fix Version/s: 0.10.0
Issue resolved by pull request 2161
[https://github.com/apache/arrow/pull/2161]
> [Python] Experiment with zero-copy pickling
> -------------------------------------------
>
> Key: ARROW-2660
> URL: https://issues.apache.org/jira/browse/ARROW-2660
> Project: Apache Arrow
> Issue Type: Wish
> Components: Python
> Affects Versions: 0.9.0
> Reporter: Antoine Pitrou
> Assignee: Antoine Pitrou
> Priority: Major
> Labels: pull-request-available
> Fix For: 0.10.0
>
> Time Spent: 2h 50m
> Remaining Estimate: 0h
>
> PEP 574 has an implementation ready and a PyPI-available backport (at
> [https://pypi.org/project/pickle5/] ). Adding experimental support for it
> would allow for zero-copy pickling of Arrow arrays, columns, etc.
> I think it mainly involves implementing {{reduce_ex}} on the {{Buffer}}
> class, as described in
> [https://www.python.org/dev/peps/pep-0574/#producer-api]
> In addition, the consumer API added by PEP 574 could be used in Arrow's
> serialization layer, to avoid or minimize copies when serializing foreign
> objects.
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