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From "Yuan Kang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-8065) bulkload can load the hfile into hbase table,but this mechanism can't remove prior data
Date Tue, 12 Mar 2013 03:17:13 GMT

    [ https://issues.apache.org/jira/browse/HBASE-8065?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13599648#comment-13599648
] 

Yuan Kang commented on HBASE-8065:
----------------------------------

After truncate operation,the table will have one region ,instead of the former region splited
situation
                
> 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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