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Posted to issues@flink.apache.org by "Robert Metzger (JIRA)" <ji...@apache.org> on 2019/02/27 08:59:00 UTC

[jira] [Updated] (FLINK-5944) Flink should support reading Snappy Files

     [ https://issues.apache.org/jira/browse/FLINK-5944?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Robert Metzger updated FLINK-5944:
----------------------------------
    Component/s:     (was: Batch Connectors and Input/Output Formats)
                 Connectors / Hadoop Compatibility

> Flink should support reading Snappy Files
> -----------------------------------------
>
>                 Key: FLINK-5944
>                 URL: https://issues.apache.org/jira/browse/FLINK-5944
>             Project: Flink
>          Issue Type: New Feature
>          Components: Connectors / Hadoop Compatibility
>            Reporter: Ilya Ganelin
>            Assignee: Mikhail Lipkovich
>            Priority: Major
>              Labels: features
>
> Snappy is an extremely performant compression format that's widely used offering fast decompression/compression. 
> This can be easily implemented by creating a SnappyInflaterInputStreamFactory and updating the initDefaultInflateInputStreamFactories in FileInputFormat.
> Flink already includes the Snappy dependency in the project. 
> There is a minor gotcha in this. If we wish to use this with Hadoop, then we must provide two separate implementations since Hadoop uses a different version of the snappy format than Snappy Java (which is the xerial/snappy included in Flink). 



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