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https://issues.apache.org/jira/browse/HBASE-8065?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13918412#comment-13918412
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Nick Dimiduk commented on HBASE-8065:
-------------------------------------

HBASE-5525 provides the {{truncate_preserve}} command that does just as I 
suggested. It's best to use this feature instead. Does it satisfy your need?

> 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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