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From "Tom White (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-3787) Add serialization for Thrift
Date Thu, 18 Sep 2008 13:53:44 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-3787?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12632215#action_12632215
] 

Tom White commented on HADOOP-3787:
-----------------------------------

Pete, I think you're right about objects not being cleared out on reads. So optional fields
that aren't set in later reads will retain their values from earlier reads. The simplest way
to fix this is to always create a new object, but that's won't work well until HADOOP-1230
is done. The alternative is to patch Thrift to give generated classes a clear() method.

> Add serialization for Thrift
> ----------------------------
>
>                 Key: HADOOP-3787
>                 URL: https://issues.apache.org/jira/browse/HADOOP-3787
>             Project: Hadoop Core
>          Issue Type: Wish
>          Components: examples, mapred
>            Reporter: Tom White
>         Attachments: hadoop-3787.patch, libthrift.jar
>
>
> Thrift (http://incubator.apache.org/thrift/) is cross-language serialization and RPC
framework. This issue is to write a ThriftSerialization to support using Thrift types in MapReduce
programs, including an example program. This should probably go into contrib.
> (There is a prototype implementation in https://issues.apache.org/jira/secure/attachment/12370464/hadoop-serializer-v2.tar.gz)

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