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Posted to dev@arrow.apache.org by "Wes McKinney (JIRA)" <ji...@apache.org> on 2016/12/26 18:25:58 UTC

[jira] [Closed] (ARROW-364) [Python] Multithreaded conversion between Arrow record batches as NumPy arrays (for pandas)

     [ https://issues.apache.org/jira/browse/ARROW-364?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Wes McKinney closed ARROW-364.
------------------------------
    Resolution: Duplicate

Duplicate of ARROW-428

> [Python] Multithreaded conversion between Arrow record batches as NumPy arrays (for pandas)
> -------------------------------------------------------------------------------------------
>
>                 Key: ARROW-364
>                 URL: https://issues.apache.org/jira/browse/ARROW-364
>             Project: Apache Arrow
>          Issue Type: New Feature
>          Components: Python
>            Reporter: Wes McKinney
>
> This only impacts columns that are not zero-copyable. The GIL only needs to be held while invoking C API functions like {{PyArray_SimpleNew}} or {{PyString_FromStringAndSize}}. If there are many string columns, we may be concerned over GIL contention



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