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https://issues.apache.org/jira/browse/PARQUET-835?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wes McKinney updated PARQUET-835:
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Assignee: Wes McKinney
PR: https://github.com/apache/parquet-cpp/pull/222
> [C++] Add option to parquet::arrow to read columns in parallel using a thread
> pool
> ----------------------------------------------------------------------------------
>
> Key: PARQUET-835
> URL: https://issues.apache.org/jira/browse/PARQUET-835
> Project: Parquet
> Issue Type: New Feature
> Components: parquet-cpp
> Reporter: Wes McKinney
> Assignee: Wes McKinney
>
> For Parquet file reading that is not IO-bound, we can go faster by reading
> columns in multiple threads (assuming underlying the IO source is
> threadsafe). The code will be very similar to that in
> https://github.com/apache/arrow/blob/master/python/src/pyarrow/adapters/pandas.cc#L1193
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