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Posted to dev@parquet.apache.org by "Deepak Majeti (JIRA)" <ji...@apache.org> on 2017/05/10 18:54:04 UTC

[jira] [Updated] (PARQUET-978) [C++] Minimizing footer reads for small(ish) metadata

     [ https://issues.apache.org/jira/browse/PARQUET-978?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Deepak Majeti updated PARQUET-978:
----------------------------------
    Fix Version/s: cpp-1.2.0

> [C++] Minimizing footer reads for small(ish) metadata
> -----------------------------------------------------
>
>                 Key: PARQUET-978
>                 URL: https://issues.apache.org/jira/browse/PARQUET-978
>             Project: Parquet
>          Issue Type: Improvement
>          Components: parquet-cpp
>            Reporter: Wes McKinney
>             Fix For: cpp-1.2.0
>
>
> Other Parquet implementations will do a read from the end of the file (e.g. 64K) in case a single read suffices to obtain the metadata, metadata size, and magic end bytes. We don't do this yet: https://github.com/apache/parquet-cpp/blob/master/src/parquet/file/reader-internal.cc#L251



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