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Posted to issues@hbase.apache.org by "Nick Dimiduk (JIRA)" <ji...@apache.org> on 2013/03/12 03:59:12 UTC

[jira] [Commented] (HBASE-8065) bulkload can load the hfile into hbase table,but this mechanism can't remove prior data

    [ https://issues.apache.org/jira/browse/HBASE-8065?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13599645#comment-13599645 ] 

Nick Dimiduk commented on HBASE-8065:
-------------------------------------

What's wrong with truncating/dropping a table before loading HFiles? LoadIncrementalHFiles needs the ability to replace data?
                
> bulkload can load the hfile into hbase table,but this mechanism can't remove prior data
> ---------------------------------------------------------------------------------------
>
>                 Key: HBASE-8065
>                 URL: https://issues.apache.org/jira/browse/HBASE-8065
>             Project: HBase
>          Issue Type: Improvement
>          Components: IPC/RPC, mapreduce, regionserver
>    Affects Versions: 0.94.0
>         Environment: hadoop-1.0.2、hbase-0.94.0
>            Reporter: Yuan Kang
>            Assignee: Yuan Kang
>            Priority: Critical
>         Attachments: LoadIncrementalHFiles-bulkload-can-clean-olddata.patch
>
>
> this patch can do bulkload for one more parameter ‘need to refresh’,when this parameter is true.bulkload can clean the old date in the hbase table ,then do the new date load

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