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https://issues.apache.org/jira/browse/HADOOP-914?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12466325
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Sami Siren commented on HADOOP-914:
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WrappingWritable deprecates ObjectWritable so I cannot see why it would
generate more confusion.
I actually didn't realize there was GenericWritable :). Anyway the motivation
for me was nutchs usage of ObjectWritable. But for that case it propably would
make more sence to use GenericWritable of better yet write yet one more
specialization (into nutch) that can handle it's special case even more
effectively than GenericWritable.
> Replace use of UTF8 in ObjectWritable
> -------------------------------------
>
> Key: HADOOP-914
> URL: https://issues.apache.org/jira/browse/HADOOP-914
> Project: Hadoop
> Issue Type: Improvement
> Affects Versions: 0.10.1
> Reporter: Sami Siren
> Attachments: HADOOP-914.patch
>
>
> - Replace use of UTF8 with Text
> - Make format a little less verbose, before ObjectWritable containing Text
> "text" would be stored like:
> <UTF8:org.apache.hadoop.io.Text><UTF8:org.apache.hadoop.io.Text><Text:text>
> now it is stored as
> <Text:org.apache.hadoop.io.Text><Text:text>
> -As changes are incompatible they are introduced in a new class
> 'WrappingWritable', ObjectWritable is deprecated
> -Add junit test
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