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https://issues.apache.org/jira/browse/HADOOP-5450?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12695755#action_12695755
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Hudson commented on HADOOP-5450:
--------------------------------
Integrated in Hadoop-trunk #797 (See
[http://hudson.zones.apache.org/hudson/job/Hadoop-trunk/797/])
. Revert accidental inclusion.
. Add application-specific data types to streaming's typed bytes
interface. (Klaas Bosteels via omalley)
> Add support for application-specific typecodes to typed bytes
> -------------------------------------------------------------
>
> Key: HADOOP-5450
> URL: https://issues.apache.org/jira/browse/HADOOP-5450
> Project: Hadoop Core
> Issue Type: Improvement
> Components: contrib/streaming
> Reporter: Klaas Bosteels
> Assignee: Klaas Bosteels
> Priority: Blocker
> Fix For: 0.21.0
>
> Attachments: HADOOP-5450.patch
>
>
> For serializing objects of types that are not supported by typed bytes
> serialization, applications might want to use a custom serialization format.
> Right now, typecode 0 has to be used for the bytes resulting from this custom
> serialization, which could lead to problems when deserializing the objects
> because the application cannot know if a byte sequence following typecode 0
> is a customly serialized object or just a raw sequence of bytes. Therefore, a
> range of typecodes that are treated as aliases for 0 should be added, such
> that different typecodes can be used for application-specific purposes.
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