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https://issues.apache.org/jira/browse/PARQUET-762?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15632487#comment-15632487
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Uwe L. Korn commented on PARQUET-762:
-------------------------------------
PR: https://github.com/apache/parquet-cpp/pull/183
> C++: Use optimistic allocation instead of Arrow Builders
> --------------------------------------------------------
>
> Key: PARQUET-762
> URL: https://issues.apache.org/jira/browse/PARQUET-762
> Project: Parquet
> Issue Type: Improvement
> Components: parquet-avro
> Reporter: Uwe L. Korn
> Assignee: Uwe L. Korn
>
> Instead of using the Arrow builders, optimistically allocate buffers to avoid
> unncessary memcpys. This should bring us a significant performance
> improvement.
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