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https://issues.apache.org/jira/browse/HBASE-8065?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15829681#comment-15829681
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Yuan Kang commented on HBASE-8065:
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Nick Dimiduk It's a good way to do the same thing like that HBASE-8073
.truncate_preserve is gracefully to clean the old 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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