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From "Doug Cutting (JIRA)" <j...@apache.org>
Subject [jira] Updated: (AVRO-684) Java tool for altering the codec of an Avro data file stream.
Date Mon, 22 Nov 2010 21:20:13 GMT

     [ https://issues.apache.org/jira/browse/AVRO-684?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Doug Cutting updated AVRO-684:

       Resolution: Fixed
    Fix Version/s: 1.5.0
         Assignee: Patrick Linehan
     Hadoop Flags: [Reviewed]
           Status: Resolved  (was: Patch Available)

I just committed this.  Thanks, Patrick!

> Java tool for altering the codec of an Avro data file stream.
> -------------------------------------------------------------
>                 Key: AVRO-684
>                 URL: https://issues.apache.org/jira/browse/AVRO-684
>             Project: Avro
>          Issue Type: New Feature
>          Components: java
>            Reporter: Patrick Linehan
>            Assignee: Patrick Linehan
>             Fix For: 1.5.0
>         Attachments: AVRO-684.patch, AVRO-684.patch
> An example is worth a thousand words:
>   cat infile.avro | avro-tools recodec deflate - - > outfile.avro
> The above example would create a new file, "outfile.avro", with the same contents as
"infile.avro".  However, the codec of "outfile.avro" would be "deflate", regardless of the
codec of "infile.avro".
> Proposed features:
> * The tool should preserve any metadata present in the input file.
> * Supported codecs will be "deflate" and "null".
> * Optionally add support for specifying the deflation level, perhaps with syntax as follows:
 "deflate:N" where N is the deflation level, e.g. "deflate:4".
> Does this proposal sound reasonable?

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