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https://issues.apache.org/jira/browse/PARQUET-542?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15174124#comment-15174124
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Wes McKinney commented on PARQUET-542:
--------------------------------------

I am also in favor of using a custom memory pool. The resizable buffer classes 
I added 
(https://github.com/apache/parquet-cpp/blob/master/src/parquet/util/buffer.h#L116)
 were intended to facilitate this (for example, a ResizableBuffer subclass 
which requests memory from a central memory pool).

> Support memory allocation from external memory
> ----------------------------------------------
>
>                 Key: PARQUET-542
>                 URL: https://issues.apache.org/jira/browse/PARQUET-542
>             Project: Parquet
>          Issue Type: New Feature
>          Components: parquet-cpp
>            Reporter: Deepak Majeti
>
> Implement a MemoryPool like class that provides memory allocation/management 
> for external provided memory



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