[jira] [Commented] (MAPREDUCE-3303) MR part of removing RecordIO (HADOOP-7781)

["Klaas Bosteels (Commented) (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/MAPREDUCE-3303?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13142546#comment-13142546 ] 

Klaas Bosteels commented on MAPREDUCE-3303:
-------------------------------------------

Not sure I agree with the removal of RecordIO, but that's a different discussion.. :)

The TypedBytes functionality in Streaming doesn't really have an actual hard decency on RecordIO, it just supports it. RecordIO records are automatically converted to typed bytes when they are taken as input so that streaming programs can easily read sequence files that contain them, but removing the RecordIO support will not break typed bytes based Streaming altogether.

I guess we should add support for Avro (instead) though if that's going to be the new standard, but that could be a separate JIRA issue.
                
> MR part of removing RecordIO (HADOOP-7781)
> ------------------------------------------
>
>                 Key: MAPREDUCE-3303
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3303
>             Project: Hadoop Map/Reduce
>          Issue Type: Task
>    Affects Versions: 0.23.0
>            Reporter: Harsh J
>            Assignee: Harsh J
>            Priority: Minor
>             Fix For: 0.24.0
>
>
> This is the MR part of removing deprecated RecordIO packages - parented by HADOOP-7781.
> Basically, we need to remove {{/hadoop-mapreduce-project/src/c++/librecordio}} and all associated build helpers around it.
> (For posterity, RecordIO has been replaced by Apache Avro http://avro.apache.org)

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