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https://issues.apache.org/jira/browse/PARQUET-100?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14144276#comment-14144276
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Julien Le Dem commented on PARQUET-100:
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Thanks for the clarification.
Once updated the write path, there is a new file _common_metadata which is much
smaller than _metadata for that purpose.
Let me know if that helps.
> provide an option in parquet-pig to avoid reading footers in client side
> ------------------------------------------------------------------------
>
> Key: PARQUET-100
> URL: https://issues.apache.org/jira/browse/PARQUET-100
> Project: Parquet
> Issue Type: Improvement
> Components: parquet-mr
> Affects Versions: parquet-mr_1.6.0
> Reporter: Tongjie Chen
>
> Parquet Pig reads footer in client side, to calculate splits and retrieve
> schema etc.
> In HCatalog environment, if there are large number of files generated by
> Hive, Parquet-Pig will spend significant chunk of time processing those
> footers in client side (before job is submitted to cluster).
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