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Posted to dev@hbase.apache.org by "stack (JIRA)" <ji...@apache.org> on 2009/07/24 07:54:14 UTC

[jira] Commented: (HBASE-1684) Backup (Export/Import) contrib tool for 0.20

    [ https://issues.apache.org/jira/browse/HBASE-1684?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12734914#action_12734914 ] 

stack commented on HBASE-1684:
------------------------------

What should the contrib be called? 'backupmr'?  How about dump?  ExportMR and ImportMR should implement Tool.  See the HStoreFileToStoreFile for sample.  Then they can take command line arguments.  Why have a map in ExportMR?  It does nothing.  Same for reducer?  Just use Identity Map?  For ImportMR, reduce does nothing either.   Just don't have it in there and set reducer to zero in the job setup.  Rather than a contrib, lets just add this to mapreduce package?


> Backup (Export/Import) contrib tool for 0.20
> --------------------------------------------
>
>                 Key: HBASE-1684
>                 URL: https://issues.apache.org/jira/browse/HBASE-1684
>             Project: Hadoop HBase
>          Issue Type: New Feature
>          Components: contrib
>    Affects Versions: 0.20.0
>            Reporter: Jonathan Gray
>            Assignee: Jonathan Gray
>             Fix For: 0.20.0
>
>         Attachments: HBASE-1684-v1.patch
>
>
> Add a new Result/KeyValue based Export MapReduce job to contrib for 0.20.
> Make it in the hadoop 0.20 and hbase 0.20 MR API, and hbase 0.20 API (Result/Put).

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