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https://issues.apache.org/jira/browse/PARQUET-1951?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17260353#comment-17260353
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ASF GitHub Bot commented on PARQUET-1951:
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gszadovszky merged pull request #847:
URL: https://github.com/apache/parquet-mr/pull/847
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> Allow different strategies to combine key values when merging parquet files
> ---------------------------------------------------------------------------
>
> Key: PARQUET-1951
> URL: https://issues.apache.org/jira/browse/PARQUET-1951
> Project: Parquet
> Issue Type: Improvement
> Reporter: satish
> Priority: Minor
>
> I work on Apache Hudi project. We store some additional metadata in parquet
> files (key range in the file, for example). So the metadata is different in
> different parquet files that we want to merge these files.
> Here is what I'm thinking:
> 1) Merge command takes additional command line option: --strategy
> <StrategyClassName>.
> 2) We introduce new strategy class in parquet-hadoop to keep the same
> behavior as today.
> We can extend that class and provide our custom implementation.
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