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Message-ID: <21839348.50241289589198909.JavaMail.jira@thor>
Date: Fri, 12 Nov 2010 14:13:18 -0500 (EST)
From: "Luke Lu (JIRA)" <jira@apache.org>
To: common-issues@hadoop.apache.org
Subject: [jira] Commented: (HADOOP-6685) Change the generic serialization
 framework API to use serialization-specific bytes instead of
 Map<String,String> for configuration
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    [ https://issues.apache.org/jira/browse/HADOOP-6685?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12931495#action_12931495 ] 

Luke Lu commented on HADOOP-6685:
---------------------------------

It'd be nice to have some documentation for it. I don't see a package.html or package-info.java (preferred) for the top level package (only package.html for the lib.avro is included), providing an overview of the system and how (preferably via some examples.) the system could be used.

@Doug, being able to process different file formats in other programming languages opens up many integration possibilities and even performance improvement if a faster language is used :)

> Change the generic serialization framework API to use serialization-specific bytes instead of Map<String,String> for configuration
> ----------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-6685
>                 URL: https://issues.apache.org/jira/browse/HADOOP-6685
>             Project: Hadoop Common
>          Issue Type: Improvement
>            Reporter: Owen O'Malley
>            Assignee: Owen O'Malley
>         Attachments: serial.patch
>
>
> Currently, the generic serialization framework uses Map<String,String> for the serialization specific configuration. Since this data is really internal to the specific serialization, I think we should change it to be an opaque binary blob. This will simplify the interface for defining specific serializations for different contexts (MAPREDUCE-1462). It will also move us toward having serialized objects for Mappers, Reducers, etc (MAPREDUCE-1183).

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