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https://issues.apache.org/jira/browse/HADOOP-914?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12466324
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Andrzej Bialecki commented on HADOOP-914:
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The patch looks quite nice, and it would be definitely useful to have this
functionality in some situations. However, somehow I don't think we need as
many as three similar implementations of this type of containers ... We have
ObjectWritable, GenericWritable and WrappingWritable - it's mightily confusing
which one should be used in user applications ...
I'm not sure if we shouldn't first try to find a minimum common set of
functionality to be implemented in a single base wrapper class, and then extend
it for different uses - I think that if we commit this patch there will be a
mess ...
> 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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