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Posted to dev@parquet.apache.org by "ASF GitHub Bot (JIRA)" <ji...@apache.org> on 2019/02/04 20:42:00 UTC
[jira] [Updated] (PARQUET-1470) Inputstream leakage in
ParquetFileWriter.appendFile
[ https://issues.apache.org/jira/browse/PARQUET-1470?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
ASF GitHub Bot updated PARQUET-1470:
------------------------------------
Labels: pull-request-available (was: )
> Inputstream leakage in ParquetFileWriter.appendFile
> ---------------------------------------------------
>
> Key: PARQUET-1470
> URL: https://issues.apache.org/jira/browse/PARQUET-1470
> Project: Parquet
> Issue Type: Bug
> Components: parquet-mr
> Affects Versions: 1.10.0
> Reporter: Arnaud Linz
> Assignee: Fokko Driesprong
> Priority: Major
> Labels: pull-request-available
>
> Current implementation of ParquetFileWriter.appendFile is:
>
> {{public void appendFile(InputFile file) throws IOException {}}
> {{ ParquetFileReader.open(file).appendTo(this);}}
> {{ }}}
> this method never closes the inputstream created when the file is opened in the ParquetFileReader constructor.
> This leads for instance to TooManyFilesOpened exceptions when large merge are made with the parquet tools.
> something like
> {{ try (ParquetFileReader reader = ParquetFileReader.open(file)) {}}
> {{ reader.appendTo(this);}}
> {{ }}}
> would be cleaner.
>
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