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Posted to dev@avro.apache.org by "Martin Nagy (JIRA)" <ji...@apache.org> on 2012/08/21 15:17:38 UTC

[jira] [Created] (AVRO-1141) Avro data files are created without O_TRUNC

Martin Nagy created AVRO-1141:
---------------------------------

             Summary: Avro data files are created without O_TRUNC
                 Key: AVRO-1141
                 URL: https://issues.apache.org/jira/browse/AVRO-1141
             Project: Avro
          Issue Type: Bug
          Components: c++
    Affects Versions: 1.7.1
            Reporter: Martin Nagy


Avro data files are created without O_TRUNC. If the file existed before and the new file is smaller than the old one, the resulting data file will be corrupted (containing remnants of the old file).

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[jira] [Updated] (AVRO-1141) Avro data files are created without O_TRUNC

Posted by "Martin Nagy (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/AVRO-1141?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Martin Nagy updated AVRO-1141:
------------------------------

    Attachment: cpp_filestream_o_trunc.patch

Patch fixing the issue.
                
> Avro data files are created without O_TRUNC
> -------------------------------------------
>
>                 Key: AVRO-1141
>                 URL: https://issues.apache.org/jira/browse/AVRO-1141
>             Project: Avro
>          Issue Type: Bug
>          Components: c++
>    Affects Versions: 1.7.1
>            Reporter: Martin Nagy
>         Attachments: cpp_filestream_o_trunc.patch
>
>
> Avro data files are created without O_TRUNC. If the file existed before and the new file is smaller than the old one, the resulting data file will be corrupted (containing remnants of the old file).

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[jira] [Resolved] (AVRO-1141) Avro data files are created without O_TRUNC

Posted by "Thiruvalluvan M. G. (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/AVRO-1141?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Thiruvalluvan M. G. resolved AVRO-1141.
---------------------------------------

    Resolution: Fixed

Committed revision 1377567.

After verifying that the fix works with Mac and Visual Studio. Than you Martin Nagy.
                
> Avro data files are created without O_TRUNC
> -------------------------------------------
>
>                 Key: AVRO-1141
>                 URL: https://issues.apache.org/jira/browse/AVRO-1141
>             Project: Avro
>          Issue Type: Bug
>          Components: c++
>    Affects Versions: 1.7.1
>            Reporter: Martin Nagy
>         Attachments: AVRO-1141.patch, cpp_filestream_o_trunc.patch
>
>
> Avro data files are created without O_TRUNC. If the file existed before and the new file is smaller than the old one, the resulting data file will be corrupted (containing remnants of the old file).

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[jira] [Updated] (AVRO-1141) Avro data files are created without O_TRUNC

Posted by "Thiruvalluvan M. G. (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/AVRO-1141?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Thiruvalluvan M. G. updated AVRO-1141:
--------------------------------------

    Attachment: AVRO-1141.patch

+1

Tested on Cygwin. Added a unit-test to catch the problem.
                
> Avro data files are created without O_TRUNC
> -------------------------------------------
>
>                 Key: AVRO-1141
>                 URL: https://issues.apache.org/jira/browse/AVRO-1141
>             Project: Avro
>          Issue Type: Bug
>          Components: c++
>    Affects Versions: 1.7.1
>            Reporter: Martin Nagy
>         Attachments: AVRO-1141.patch, cpp_filestream_o_trunc.patch
>
>
> Avro data files are created without O_TRUNC. If the file existed before and the new file is smaller than the old one, the resulting data file will be corrupted (containing remnants of the old file).

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