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From "Tom White (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-6165) Add metadata to Serializations
Date Wed, 22 Jul 2009 11:25:14 GMT
Add metadata to Serializations

                 Key: HADOOP-6165
                 URL: https://issues.apache.org/jira/browse/HADOOP-6165
             Project: Hadoop Common
          Issue Type: New Feature
          Components: contrib/serialization
            Reporter: Tom White
            Priority: Blocker
             Fix For: 0.21.0

The Serialization framework only allows a class to be passed as metadata. This assumes there
is a one-to-one mapping between types and Serializations, which is overly restrictive. By
permitting applications to pass arbitrary metadata to Serializations, they can get more control
over which Serialization is used, and would also allow, for example, one to pass an Avro schema
to an Avro Serialization.

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