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Posted to issues@tez.apache.org by "Siddharth Seth (JIRA)" <ji...@apache.org> on 2014/04/22 08:49:15 UTC

[jira] [Resolved] (TEZ-500) RLE in IFile does not seem to work correctly

     [ https://issues.apache.org/jira/browse/TEZ-500?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Siddharth Seth resolved TEZ-500.
--------------------------------

    Resolution: Done

> RLE in IFile does not seem to work correctly
> --------------------------------------------
>
>                 Key: TEZ-500
>                 URL: https://issues.apache.org/jira/browse/TEZ-500
>             Project: Apache Tez
>          Issue Type: Bug
>            Reporter: Siddharth Seth
>
> The compressed length reported by the writer is typically larger than the Uncompressed length. The size of the output file generated matches the uncompressed length.
> The Shuffle fetchers allocate buffers based on the compressed length, and pull that much data. As a result the entire contents are not pulled in.
> Also, even if the entire content is pulled in - nextRawKey, nextRawValue ends up failing the moment a repeated key is hit.



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