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Posted to dev@arrow.apache.org by "Uwe L. Korn (JIRA)" <ji...@apache.org> on 2016/11/03 10:47:58 UTC

[jira] [Created] (ARROW-360) C++: Add method to shrink PoolBuffer using realloc

Uwe L. Korn created ARROW-360:
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             Summary: 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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