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https://issues.apache.org/jira/browse/PARQUET-1559?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Victor resolved PARQUET-1559.
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Resolution: Won't Fix
> Add way to manually commit already written data to disk
> -------------------------------------------------------
>
> Key: PARQUET-1559
> URL: https://issues.apache.org/jira/browse/PARQUET-1559
> Project: Parquet
> Issue Type: Improvement
> Components: parquet-mr
> Affects Versions: 1.10.1
> Reporter: Victor
> Priority: Major
>
> I'm not exactly sure this is compliant with the way parquet works, but I have
> the following need:
> * I'm using parquet-avro to write to a parquet file during a long running
> process
> * I would like to be able from time to time to access the already written
> data
> So I was expecting to be able to flush manually the file to ensure the data
> is on disk and then copy the file for preliminary analysis.
> If it's contradictory to the way parquet works (for example there is
> something about metadata being at the footer of the file), what would then be
> the alternative?
> Closing the file and opening a new one to continue writing?
> Could this be supported directly by parquet-mr maybe? It would then write
> multiple files in that case.
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