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Posted to dev@parquet.apache.org by "Wes McKinney (JIRA)" <ji...@apache.org> on 2016/02/29 19:37:18 UTC

[jira] [Commented] (PARQUET-520) Add version of LocalFileSource that uses memory-mapping for zero-copy reads

    [ https://issues.apache.org/jira/browse/PARQUET-520?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15172327#comment-15172327 ] 

Wes McKinney commented on PARQUET-520:
--------------------------------------

see patch: https://github.com/apache/parquet-cpp/pull/66

> Add version of LocalFileSource that uses memory-mapping for zero-copy reads
> ---------------------------------------------------------------------------
>
>                 Key: PARQUET-520
>                 URL: https://issues.apache.org/jira/browse/PARQUET-520
>             Project: Parquet
>          Issue Type: Improvement
>          Components: parquet-cpp
>            Reporter: Wes McKinney
>            Assignee: Wes McKinney
>
> Repurposed this JIRA after PARQUET-533. Memory-mapping will save us memory allocations and performance in some applications. We could have it as an optional API. 



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