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From "Uwe L. Korn (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ARROW-360) C++: Add method to shrink PoolBuffer using realloc
Date Fri, 06 Jan 2017 18:24:58 GMT

    [ https://issues.apache.org/jira/browse/ARROW-360?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15805217#comment-15805217
] 

Uwe L. Korn commented on ARROW-360:
-----------------------------------

PR: https://github.com/apache/arrow/pull/272

> C++: Add method to shrink PoolBuffer using realloc
> --------------------------------------------------
>
>                 Key: ARROW-360
>                 URL: https://issues.apache.org/jira/browse/ARROW-360
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: C++
>            Reporter: Uwe L. Korn
>            Assignee: Uwe L. Korn
>
> In the case where we have optimistically allocated a large PoolBuffer, we could shrink
it later again using a call to {{realloc}}. This should free the exceeding memory but avoids
an actual {{memcpy}}.



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