[jira] [Commented] (PARQUET-542) Support memory allocation from external memory

["Aliaksei Sandryhaila (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/PARQUET-542?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15174026#comment-15174026 ] 

Aliaksei Sandryhaila commented on PARQUET-542:
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As a part of this feature, we should either implement a custom STL allocator or replace std::vector with a custom DataArray class that can use an external memory pool. I strongly support the latter option, for multiple reasons, including
- ensure that the array capacity cannot be increased implicitly, by adding new elements,
- ensure that array size and capacity change are handled explicitly and precisely to the specified parameter.


> 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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