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https://issues.apache.org/jira/browse/FLINK-33059?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Etienne Chauchot resolved FLINK-33059.
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Fix Version/s: 1.19.0
Resolution: Fixed
master: 51252638fcb855a82da9983b3dfaa3b89754523e
> Support transparent compression for file-connector for all file input formats
> -----------------------------------------------------------------------------
>
> Key: FLINK-33059
> URL: https://issues.apache.org/jira/browse/FLINK-33059
> Project: Flink
> Issue Type: Technical Debt
> Components: Connectors / FileSystem
> Reporter: Etienne Chauchot
> Assignee: Etienne Chauchot
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.19.0
>
>
> Some FileInputFormats don't use FileInputFormat#createSplits (that would
> detect that the file is non-splittable and deal with reading boundaries
> correctly), they all create split manually from FileSourceSplit. If input
> files are compressed, split length is determined by the compressed file
> length leading to [this|https://issues.apache.org/jira/browse/FLINK-30314]
> bug. We should force reading the whole file split (like it is done for binary
> input formats) on compressed files. Parallelism is still done at the file
> level (as now)
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