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From "Sami Siren (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-914) Replace use of UTF8 in ObjectWritable
Date Sun, 21 Jan 2007 13:31:29 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-914?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12466325
] 

Sami Siren commented on HADOOP-914:
-----------------------------------

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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